So I'm tasked to make a function file that removes a dash (-) from a string, and I'm not allowed to use strrep for some reason (kinda dumb because the code works completely fine with strrep). Implementating the use of strfind with a for loop. Join GitHub today. A few days ago there was a question on the Matlab Answers forum asking whether something similar can be done with Matlab listboxes, i. ix=strfind(s, '_'); % get the underscore locations t=s(1:ix(2)-1); % return the substring up to 2nd underscore One can also use find to only get the first two locations; would be handy if it also had the ability to return an N th argument instead of just first or last N; then wouldn't have to use the intermediate index vector. and say if I used strfind with this matrix and was searching it for an identical. : idx = strfind (…, "overlaps", val) Search for pattern in the string str and return the starting index of every such occurrence in the vector idx. Expected Range with 68% Probability = 0. For example (3 & 4) in NumPy is 0, while in Matlab both 3 and 4 are considered logical true and (3 & 4) returns 1. logical expression failure) occurs because strfind's behavior when no match is found is to return "[]". type commands. % strfind will return [] if it fails, meaning name and ext % will be empty, so test for this. strmatch is not recommended. MATLAB: A Practical Introduction to Programming and Problem Solving, Second Edition, is the only book that gives a full introduction to programming in MATLAB combined with an explanation of MATLAB’s powerful functions, enabling engineers to fully exploit the software’s power to solve engineering problems. MATLAB/Octave Python Description; doc help -i % browse with Info: Sort each column, return indices: a. This is the webpage: wp These are the HTML codes (the part I need) with and without spaces. (1) The MathWorks CheckBoxList looks nice, but as already asked here, I did not find a solution to add/remove an item. Find index of char/ string strfind find the pattern S = 'Find the starting indices of the pattern string'; strfind(S, 'in') ans = 2 15 19 45 Sub String. If pattern is an array containing multiple patterns, then endsWith returns 1 if it finds that str ends with any element of pattern. A Structure is a named collection of data representing a single idea or "object". Note that MATLAB represents irrational numbers such as pi with rational approximations, except when using the symbolic math toolbox. The histcounts2 function uses an automatic binning algorithm that returns uniform bins chosen to cover the range of values in X and Y and reveal the underlying shape of the distribution. In previous versions of MATLAB, you can use the “strfind” function. If no matches are found, regexp returns an empty array. k = findstr(str1, str2) searches the longer of the two input arguments for any occurrences of the shorter argument, returning the starting index of each such occurrence in the double array k. I want to find the position (linear or indexed) of all cells containing a string in which a certain substring of interest appe. The output, k, indicates the starting index of each occurrence of pattern in str. Shell script & Batch file & Visualization & Matlab. When extracting data from a matrix with a vector as index: Matlab returns a row vector and Scilab returns a column vector. I just wanted to jot down a few points about Matlab programming. Python works with Modules, which you need to import if you want to use them. If pattern is not found, then strfind returns an empty array, []. MathWorks provides the licensed product, a trial version and a student version as well. , for lack of a better nick and for the sake of www-privacy) tipped me that ismember() implements a very efficient search in string cells. MATLAB programs are stored as plain text in files having names that end with the extension ``. All of the loop structures in matlab are started with a keyword such as for, or while and they all end with the word end. # the return value is the index of the first zero, so we need to add 20 to get the index of 1. MATLAB - The for Loop - A for loop is a repetition control structure that allows you to efficiently write a loop that needs to execute a specific number of times. For example (3 & 4) in NumPy is 0, while in Matlab both 3 and 4 are considered logical true and (3 & 4) returns 1. The search performed by findstr is case sensitive. Specifically, this is about finding a string within another cell array of strings, where the thing I'm really interested in is the index of the cell array where the reference string occurs. The regexp function works the same way as strfind but instead of looking for strings literally, it tries to find matches within the cell array of strings using regular expressions. strfindi does not distinguish between lower and upper case. The most frequent use of logicals for us, however, will be in indexing. An evaluated switch_expression is a scalar or string. : idx = strfind (…, "overlaps", val) Search for pattern in the string str and return the starting index of every such occurrence in the vector idx. However, when strfind doesn't find the string that I indicated and the result is {[]}, instead of the position value. MATLAB stores rational numbers as doubles by default, which is a measure of the number of decimal places that are stored in each variable and thus of how accurate the values are. I would get [0 0 0 1 1 1] as a result. I tried a lot without any results:. Read the documentation of the strfind function to see the valid syntax. Find index of char/ string strfind find the pattern S = 'Find the starting indices of the pattern string'; strfind(S, 'in') ans = 2 15 19 45 Sub String. Finding Index of SIMILAR strings in txt cell (self. how to combine strfind and index in one line?. R defines the following functions: Any scripts or data that you put into this service are public. The first statement in a function is executed first, followed by the second, and so on. strfind returns the index of where the substring starts rather than a binary value. after calling polyfit(x,y,6) how can i find the slope of the best fit line through this data?. The format for this argument requires a colon. MATLAB string handling. Note that you can give names to the outputs (and inputs) to differentiate between the cart's position and the pendulum's position. MATLAB Screen. TF = endsWith(str,pattern) returns 1 (true) if str ends with the specified pattern, and returns 0 (false) otherwise. If A is a matrix, Scilab sum(A) gives the sum of all elements of A but Matlab returns the sum of each column. In order to motivate the DSP people out there, I am showing below how one can apply a window and scale factors on a pre-framed signal using no loops and minimal memory. If you use any of these, you would probably want to wrap them in a function. Shell script & Batch file & Visualization & Matlab. Best Answer: you don't put end at the "end" of a script. If a string array represents numbers, then you can convert it to a numeric array using the double function. Also some general plasma routines. I realized that many of the postings in the group were about how to manipulate arrays efciently , which was something I had a great interest in. The search performed by findstr is case sensitive. In Matlab, the first index is 1, and this is an information you should always remember while working with for loops in Matlab. The sort command can take in three arguments, and return two values: [A_sorted sorted_index] = sort(A,dimension,sort_order); A represents the unsorted array and is the one required argument. A very common programming question (e. The simplest way to use MATLAB, though, is as an interactive computing. This MATLAB function searches the longer of the two input arguments for any occurrences of the shorter argument, returning the starting index of each such occurrence in the double array k. It searches for the shorter string within the longer one. Thus, a collection of MATLAB functions can lead to a large number of relatively small files. They cover the basics of MATLAB and Simulink and introduce the most common classical and modern control design techniques. field]) but I want to find out the index ( I believe thats right here?) so ie how do I find x in struct(x). MATLAB Screen. Arduino serially connected to Matlab AppDesigner returns rounded values Jul 09, 2019, 03:40 am Hi, I don't know if there is a similar question on this topic, please redirect me if there is. Matlab tutorial notes - 7 - PCA The following is a worked example with PyMS data (pyrolysis mass spectrometry) where the aim was to investigate quantitatively the levels of ampicillin mixed with either Escherichia coli or Staphylococcus aureus. S = 'Any Characters' creates a character array, or string. Symbolic Toolbox >> sym(0. If pattern is not found in str, or if pattern is longer than str, then strfind returns the empty array, []. Working with All the Entries in Specified Dimensions If I want to manipulate values in some specific dimensions, I can also use the : operator to specify the dimensions I'd like to leave alone. The syntax for this is as follows:. Proper use of fprintf to display the result of a function. When we index an array with a logical variable, Matlab is using find to locate all the true elements and convert them to indices. The idea behind these tutorials is that you can view them in one window while running MATLAB in another window. The reason this works is because matlab logical functions are designed to return a matrix or vector of 1's and zeros. 1 The motivation for writing this document Since the early 1990's I have been following the discussions in the main MATLAB newsgroup on Usenet, comp. Learn more about strfind. logical expression failure) occurs because strfind's behavior when no match is found is to return "[]". Research Methods (MSc Programme), 2018 Introduction to MATLAB 2 Econometrics in MATLAB: ARMAX, pseudo ex-post forecasting, GARCH and EGARCH, implied volatility. How to search for a string in cell array in MATLAB? Ask Question If you want to get the integer index (which you often don't need), you can use: but since the. The search performed by strfind is case sensitive. returns the index of the end of each phase (where a pha 4년 이하 ago | 0 Implementating the use of strfind with. (1) The MathWorks CheckBoxList looks nice, but as already asked here, I did not find a solution to add/remove an item. TF = endsWith(str,pattern) returns 1 (true) if str ends with the specified pattern, and returns 0 (false) otherwise. regexp('str', 'expr') returns a row vector containing the starting index of each substring of str that matches the regular expression string expr. Video created by MathWorks for the course "Exploratory Data Analysis with MATLAB". This zip file (19dec18, 97KB) contains S&P 500 index return data and Matlab code to replicate the empirical work in Patton, Ziegel and Chen (2018, JoE). how to combine strfind and index in one line?. If fopen cannot open the file, it returns -1. For any input cell whose text does not contain 'bla', “strfind” returns an empty cell. But it doesn't. The search performed by findstr is case sensitive. [UPDATED] read netcdf file using native matlab functions check the ncread for new version matlab from Mathworks. In general, find(X) regards X as X(:), which is the long column vector formed by concatenating the columns of X. In these tutorials, we use commands/functions from MATLAB, from the Control Systems Toolbox, as well as some functions which we wrote ourselves. Another way of thinking about the pattern is, "Look for a double-quote, but do not include it in the match. start = regexp(str,expr) returns a row vector, start, containing the indices of the substrings in str that match the regular expression string, expr. First a quick introduction: Hi! I'm Michael, one of Jiro and Brett's colleagues here at MathWorks. CME 102 Matlab Workbook 2008-2009 3/55 1 Matlab Basics 1. Each m-file contains exactly one MATLAB function. addition, multiplication) are programmed to deal with matrices when required. answer wich Matlab codes. I use DOS commands to query the registry in two places to identify which COM ports are connected and then check the USB section of the CurrentContrlSet to match up friendly names. "It will return 1 since cat word occurs one time in your field. k is cell array of same dimension as array with k{p} being a vector of indexes in array{p} in which string occurs. strfind doesn't work with arrays of strings. However, when strfind doesn't find the string that I indicated and the result is {[]}, instead of the position value. m in the generated code, where model_name is the name of the model. findstr should only be used as internal function, in Matlab it is deprecated. Complex Number Operations MATLAB handles complex number algebra automatically. argsort(axis=1) Sort each row, return indices: Maximum and. How to search for a string in cell array in MATLAB? Ask Question If you want to get the integer index (which you often don't need), you can use: but since the. If a string array represents numbers, then you can convert it to a numeric array using the double function. However, when strfind doesn't find the string that I indicated and the result is {[]}, instead of the position value. Solving Problems in Dynamics and Vibrations Using MATLAB which do not accept input arguments or return output arguments. Cody is a MATLAB problem-solving game that challenges you to expand your knowledge. However, “strfind” returns a cell array of indices. amr - strfind returns the starting index of the pattern within the string so it won't necessarily return one. If the function is to be used in several different problems or the function requires more than one MATLAB command, then you need to create a function m-file. In this case, strfind returns 5 because the m in mary is the fifth character of str. A Structure is a named collection of data representing a single idea or "object". How to return value of column not the index Learn more about matlab, matrix, matrix manipulation MATLAB. MATLAB allows matrix manipulations, plotting of functions and data, implementation of algorithms, creation of user interfaces, and interfacing with programs written in other languages. 5) ans = 1/2 Here, of course, MATLAB would normally return 0. strfind returns the index of the start of each match. Store the row and column return from find and put it in the match cell array. They are fid=1 (standard output) and fid=2 (standard error). If pattern is not found, then strfind returns an empty array, []. It then finds and returns all values in the a which are true. Learn more about. Learn more about strfind. for index = values, statements, end executes a group of statements in a loop for a specified number of times. Sharpen your programming skills while having fun!. strfind issue. The name must be identical to the name generated when the real-time application was built. Inside a structure are a list of fields each being a variable name for some sub-piece of data. Also some general plasma routines. If constname is 146x4 char array (column vector of 146 4-character strings, I need the following command to return the index number of the string 'M12 '. The first statement in a function is executed first, followed by the second, and so on. [UPDATED] read netcdf file using native matlab functions check the ncread for new version matlab from Mathworks. k is cell array of same dimension as array with k{p} being a vector of indexes in array{p} in which string occurs. Each m-file contains exactly one MATLAB function. The loop compares ii and len, finds that the statement is indeed true, so it calculates c and increments the index by one. Then look for the longest stretch of non-double-quote characters after that, with at least one character, and those non-double-quotes are to be included in the match. The reason this works is because matlab logical functions are designed to return a matrix or vector of 1's and zeros. k = findstr(str1, str2) searches the longer of the two input arguments for any occurrences of the shorter argument, returning the starting index of each such occurrence in the double array k. The syntax for this is as follows:. It returned nothing. Expected Range with 50% Probability = 0. Toggle Main Navigation. Simulink Basics Tutorial. By default the result would be a cell array of length equal to the length of your elements cell array and in each cell of the result will be an array of indices to the start of any matches of that element. The regexp function works the same way as strfind but instead of looking for strings literally, it tries to find matches within the cell array of strings using regular expressions. In one single matlab script file (exercise01. MATLAB allows matrix manipulations, plotting of functions and data, implementation of algorithms, creation of user interfaces, and interfacing with programs written in other languages, including C, C++, C#, Java, Fortran and Python. sprintf is the same as fprintf except that it returns the data in a MATLAB string variable rather than writing it to a file. You can also use the strfind function to find matching text. Instead, such a function should return the value of pi for use by other parts of the program. Note that MATLAB represents irrational numbers such as pi with rational approximations, except when using the symbolic math toolbox. This MATLAB function calculates the harmonic orders, magnitudes, and fundamental frequency of a simscape. Also some general plasma routines. In the second example, a random index in a 10 x 5 x 2 matrix of random numbers is selected with the use of three randi commands, one for each dimension. Getting index from strsplit or strfind in a null Learn more about strfind, strsplit, null, split string, index, search, char(0). Each m-file contains exactly one MATLAB function. If A is a matrix, Scilab sum(A) gives the sum of all elements of A but Matlab returns the sum of each column. regexp('str', 'expr') returns a row vector containing the starting index of each substring of str that matches the regular expression string expr. "color" is the CLUT index (scalar or [r g b] triplet) that you want to poke into each pixel; default produces black with the standard CLUT for this window's pixelSize. I returns the index not the value of the first column?. Matlab now supports namespaces for the functions that you write, but the core of Matlab is without namespaces; every function is defined in the global namespace. Something like the following should work in both R2016a and R2018a:. How to search for a string in cell array in MATLAB? Ask Question If you want to get the integer index (which you often don't need), you can use: but since the. In previous versions of MATLAB, you can use the "strfind" function. Open Mobile Search. The Structure Data Type in Matlab. The other is by passing parameters by reference and modifying them within the function (I don't know if matlab supports this). They cover the basics of MATLAB and Simulink and introduce the most common classical and modern control design techniques. For any input cell whose text does not contain 'bla', "strfind" returns an empty cell. If you want to repeat some action in a predetermined way, you can use the for loop. extract 2 data(temperature) from string. if you want multiple returned values you need something like. Recently, my colleague Jeff asked me if I would look at some code he wrote to find a pattern of numbers in a larger array. Start studying MATLAB. Expected Range with 75% Probability = 0. m in the generated code, where model_name is the name of the model. Before finding the approximations to linear systems, it is important to remember that if A and B are both matrices, then AB is not necessarily equal to BA. MathWorks provides the licensed product, a trial version and a student version as well. dirNum = currentDirectory(t) returns the index of the current image file directory (IFD). If pattern is not found in str, or if pattern is longer than str, then strfind returns the empty array, []. MATLAB (matrix laboratory) is a multi-paradigm numerical computing environment and proprietary programming language developed by MathWorks. If name is a cell array of names, getnameidx returns a vector containing the indices (order number) of the name character vectors within list. I script performs a task all on its own and does not return a value(s). In previous versions of MATLAB, you can use the "strfind" function. regexp('str', 'expr') returns a row vector containing the starting index of each substring of str that matches the regular expression string expr. Create a variable, A, whose value is the string hello; 3. PMS5003 Particulate Matter sensor connected to an ESP8266-12E - PMS5003 on ThingSpeak - ThingSpeak is the open IoT platform with MATLAB analytics. pattern을 찾을 수 없으면 strfind는 빈 배열 []을 반환합니다. Sharpen your programming skills while having fun!. KOLDA Sandia National Laboratories Tensors (also known as multidimensional arrays or N-way arrays) are used in a variety of ap-. The search performed by strfind is case sensitive. Learn more about strfind. MATLAB Answers. The vector [1 3] is an index array, where each element corresponds to a column index number of the original matrix A. Top 10 MATLAB code practices that make me cry 83 Posted by Doug Hull , March 8, 2010 I was chatting with the Application Support Engineers here at MathWorks about what kind of coding practices cause avoidable pain for MATLAB users. See also: find. Learn more about strfind. The return value(s), as well as the n and direction arguments behave identically as in find. If pattern is not found in str, or if pattern is longer than str, then strfind returns the empty array, []. Note that a scalar for the right-hand side is also acceptable and then MATLAB performs a scalar expansion to fill the left-hand side. from the table of contents for a tutorial introduction to MATLAB, or use the index to find specific information. We have recently used a for loop here, while going through Euler methods in Matlab without spending a lot of time on the for loop itself, in this post we will work with the later a little intensively. Proper use of fprintf to display the result of a function. inputdlg returns a cell array of strings. You can also use the strfind function to find matching text. Start studying Matlab Stuff - ENCN305. % % Results are returned in a new synchronized tree, where each node is an % array containind the starting index of any occurence of PATTERN found. (1) The MathWorks CheckBoxList looks nice, but as already asked here, I did not find a solution to add/remove an item. Something like the following should work in both R2016a and R2018a: if ~isempty(strfind(y{n}, 'PBS')) && isempty(strfind(y{n}, 'flush')). extract 2 data(temperature) from string. This screencast is all about arrays -- what they are, how to access and modify individual elements and "slices" of an array, how to add rows and columns to a matrix, and the RESHAPE and transpose. If A is a matrix, Scilab sum(A) gives the sum of all elements of A but Matlab returns the sum of each column. MATLAB returns an array that matches the elements of the array X, element-by-element holding 1s where the matching values in X are the desired values, and 0s otherwise. I am currently implementing the filter2 MATLAB function in R, which is a method for 2D convolution. The str and expr arguments can also be cell arrays of strings. However, when strfind doesn't find the string that I indicated and the result is {[]}, instead of the position value. start() doc help -i % browse with Info: Return values: a. strfind doesn't work with arrays of strings. If you use any of these, you would probably want to wrap them in a function. - strfind works on cell arrays of strings and returns results in a cell array, with relevant indices. Note that MATLAB represents irrational numbers such as pi with rational approximations, except when using the symbolic math toolbox. Use the "disp" function. Quizlet flashcards, activities and games help you improve your grades. MATLAB Tensor Classes for Fast Algorithm Prototyping BRETT W. I have tested the result of strfind with strcmp and == or ~= but I can't control the value. # the return value is the index of the first zero, so we need to add 20 to get the index of 1. The second method is to use logical addressing, which first changes a into a logical array, with value 1 if the logical expression is true and 0 if it is false. If m = n, eye(n) can be used. Use strfind() to find where one string occurs as a substring in members of a string array. How to return value of column not the index Learn more about matlab, matrix, matrix manipulation MATLAB. Also some general plasma routines. The most frequent use of logicals for us, however, will be in indexing. to see it in the Array Editor. k = strfind(str, pattern) searches the string str for occurrences of a shorter string, pattern, and returns the starting index of each such occurrence in the double array k. The syntax is a hybrid of C and Fortran and I often create polyglot statements which lead to the joyless task of squashing trivial bugs. length Computers number of elements. 4 and Appendix C Thursday, October 9, 2008 1. Thus, a collection of MATLAB functions can lead to a large number of relatively small files. You can also use the strfind function to find matching text. If the function is to be used in several different problems or the function requires more than one MATLAB command, then you need to create a function m-file. For any input cell whose text does not contain 'bla', “strfind” returns an empty cell. Use the "disp" function. For example, if x = [2 -4 3-4*i -3*i]: >> y = abs(x) y = 2 4 5 3 The angle operator returns the phase angle (i. It will only work on Windows (7 for sure but maybe not others). I have made for the 2D convolution work, but how the 'valid' option in filter2 works is not quite clear to me. k = strfind( array, string ) array is a cell array of strings. Moreover, the fundamental operators (e. If A is a matrix, Scilab sum(A) gives the sum of all elements of A but Matlab returns the sum of each column. Working with All the Entries in Specified Dimensions If I want to manipulate values in some specific dimensions, I can also use the : operator to specify the dimensions I'd like to leave alone. MATLAB is one of a few languages in which each variable is a matrix (broadly construed) and "knows" how big it is. Using strfind to find character index in word. They cover the basics of MATLAB and Simulink and introduce the most common classical and modern control design techniques. strfind 's output is not a count of how many times the string was found: the number of elements in the output corresponds to how many times the string was found. regexp('str', 'expr') returns a row vector containing the starting index of each substring of str that matches the regular expression string expr. length Computers number of elements. k = strfind(str,pattern) searches the string, str, for occurrences of a shorter string, pattern, returning the starting index of each such occurrence in the double array, k. Any lines you type Matlab will execute as commands as if you were entering them in on the screen. If applied to a vector, it returns a vector of the magnitudes of the elements. eye(m,n) Creates an m n matrix with ones on the main diagonal and ze-ros elsewhere (the main diagonal consists of the elements with equal row and column numbers). Learn more about it returns a list of of the first index of the start of the substring, Matlab uses Fortran. Matlab Chapter 7 study guide by sportsnoah14 includes 17 questions covering vocabulary, terms and more. So you get a box with nothing in it back, but you still get a box. "It will return 1 since cat word occurs one time in your field. Join GitHub today. answer wich Matlab codes. % strfind will return [] if it fails, meaning name and ext % will be empty, so test for this. S = 'Any Characters' creates a character array, or string. In contrast to variable names, literal texts are written in inverted commas: a = 'Hello'. Learn more about strfind, isempty, cellfun I want the output to give me the index of the string i want to compare. MATLAB Script Ch07E30. -> then i try to get the right cell -> (row_index,2) the number 2 is the second column in my table. Setting up MATLAB environment is a matter of few clicks. This MATLAB function searches the longer of the two input arguments for any occurrences of the shorter argument, returning the starting index of each such occurrence in the double array k. 5: Multi-way arrays. txt) or read book online for free. Index = find(contains(C, 'bla')); In previous versions of MATLAB, you can use the “strfind” function. pattern을 찾을 수 없으면 strfind는 빈 배열 []을 반환합니다. Your Match is not a pattern in your "a" so that's why it didn't find it. MATLAB returns an array that matches the elements of the array X, element-by-element holding 1s where the matching values in X are the desired values, and 0s otherwise. Current Directory. k = strfind( array, string ) array is a cell array of strings. A linear index allows use of a single subscript to index into an array, such as A(k). Transfer Function. Join GitHub today. # the return value is the index of the first zero, so we need to add 20 to get the index of 1. We have recently used a for loop here, while going through Euler methods in Matlab without spending a lot of time on the for loop itself, in this post we will work with the later a little intensively. If pattern is an array containing multiple patterns, then endsWith returns 1 if it finds that str ends with any element of pattern. This MATLAB function searches the longer of the two input arguments for any occurrences of the shorter argument, returning the starting index of each such occurrence in the double array k. Structures are similar to arrays in that. Simulink is a graphical extension to MATLAB for modeling and simulation of systems. Posts about Matlab written by dracodoc. string is a character array. The x,y coordinates can be in any order. If you want to repeat some action in a predetermined way, you can use the for loop. If fopen cannot open the file, it returns -1. I have a cell array consisting of numbers, strings, and empty arrays. For example a function that compute pi should never use fprintf. tempdir Return the name of the system’s temporary directory tempname Unique name for temporary file undocheckout Undo previous checkout from source control system unix ! Execute operating system command Starting and Quitting MATLAB finish MATLAB termination M-file Terminate MATLAB matlab Start MATLAB (UNIX systems only) matlabrc MATLAB. strfind returns the index of where the substring starts rather than a binary value. m), implement: 2. The search performed by findstr is case sensitive. Instead, such a function should return the value of pi for use by other parts of the program. Readings and Suggested Practice Problems BKM, Chapter 10, Section 1 (Skim Section 4) Suggested Problems, Chapter 10: 5-13 II. The effort you put into asking a question is often matched by the quality of our answers. I realized that many of the postings in the group were about how to manipulate arrays efciently , which was something I had a great interest in. ixflatend = strfind(str. Following is a list of commands used in the Control Tutorials for MATLAB and Simulink. (3) The Matlab uitable method is very easy to use. m in the generated code, where model_name is the name of the model. The strfind function also has some other options, such as the option to only return the index of the first or last match. Introduction to MATLAB programming Data structures Indexing cell arrays I One important concept: A n-by-m cell array is made up of n m, 1-by-1 cell arrays, I Two ways to index into and assign into a cell array:. This MATLAB function calculates the harmonic orders, magnitudes, and fundamental frequency of a simscape. So, if A is a vector, then Scilab and Matlab work in the same way. strfind returns the index of the start of each match. max Returns largest element. For any input cell whose text does not contain 'bla', “strfind” returns an empty cell. (2) I did not try ActiveX method, since I want a system independent solution. From here, I want to extract specific lines that contain a particular string. - ismember requires an exact match. This is the webpage: wp These are the HTML codes (the part I need) with and without spaces. The strfind function executes a case-sensitive search. The format for this argument requires a colon. how to combine strfind and index in one line?.