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Can't seem to replace values in matrix meeting criteria, although the correct row,col coordinates are found
Use SUB2IND: idx = sub2ind(size(img),row,col); img(idx) = 1; The section "Indexing Matrices with Two Subscripts" here: https...

約1ヶ月 前 | 0

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Compare two files and remove any lines in the second file when they match values found in the first file
lines1 = [1,2,3,4;2,4,6,7;2,5,7,8;6,7,4,6] lines2 = [2,4,6,7;2,5,7,8] out = setdiff(lines1,lines2,'rows')

約1ヶ月 前 | 0

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A more efficient or compact way to sort strings that contain dates
a = [... '123_abc_01_202403020000_202403022359.txt'; '123_abc_01_202403040000_202403042359.txt'; '123_abc_01_2024...

約2ヶ月 前 | 1

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Portion of code containing my custom functions is hidden and I cant access it.
The feature is called code folding: https://www.mathworks.com/help/matlab/matlab_prog/edit-and-format-code.html#brazeg3-1 http...

約2ヶ月 前 | 1

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How can I access the value of a string variable? I need to construct a file path from a string variable, but keep getting the variable name and not the string.
It works perfectly, exactly as you showed in your question: directory_name = "directory1"; f = fullfile('/Users/me/ch4', direc...

約2ヶ月 前 | 1

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Appending data when extracting nested fields as individual variables
The simple and efficient MATLAB approach using two comma-separated lists (no loops are required!): first100 = load('frames.mat'...

約2ヶ月 前 | 0

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Natural-Order Filename Sort
Alphanumeric sort of filenames or filepaths, with customizable number format.

約2ヶ月 前 | ダウンロード 351 件 |

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Natural-Order Row Sort
Alphanumeric row sort of a cell/string/categorical/table array, with customizable number format.

約2ヶ月 前 | ダウンロード 14 件 |

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Customizable Natural-Order Sort
Alphanumeric sort of a cell/string/categorical array, with customizable number format.

約2ヶ月 前 | ダウンロード 49 件 |

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Custom List / Arbitrary Sequence Sort
Sort a text array into the order of custom lists / arbitrary text sequences. Sort words with Latin-, Greek-, and Cyrillic-based ...

約2ヶ月 前 | ダウンロード 2 件 |

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char array to numeric array
"I was wondering if there was a better way of doing this?" Of course, use READTABLE (or READMATRIX): unzip tab_file_table.zip ...

約2ヶ月 前 | 0

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I'm trying to convert the text into binary and then i want to make the 4 bits chunks.
message = 'Hello world'; A = dec2bin(message, 8) B = reshape(A.',1,[])

約2ヶ月 前 | 0

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How to stop double printing text using sprintf ?
Problems: 1- This is the relevant code: VariantModel = compose('%d', 1:height(VariantIDPassed)); .. writefile(VariantModel{i...

約2ヶ月 前 | 0

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How do I fix my Nan issue within a recursive function?
Replace this (which returns logical indices): FirstID = M==-1; with this (which returns the linear index): FirstID = find(M==...

約2ヶ月 前 | 0

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How to import multiple .mat files to workspace?
The basic problem is that you are not supplying the filepath to LOAD. You can improve your code as well. I am guessing that you...

約2ヶ月 前 | 0

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Error in code, parenthesis perceiving as comment for some reason
Explanation: for some reason you seem to be running this literal code: Q_est = updateQ(...) instead of calling UPDATEQ etc. wi...

約2ヶ月 前 | 1

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smart function to switch functions
You could use STR2FUNC: str = 'ode23'; odesolver = str2func(str); odesolver(@fun,..) or simply use FEVAL: feval(str,@fun,.....

約2ヶ月 前 | 0

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Reshaping a matrix based on the first row
A = [270,270,270,271,272,272,273,273,273]; B = [ 12, 2, 3, 14, 5, 2, 6, 8, 11]; X = ~isnan(A); C = findgroups(A(X)); R...

約2ヶ月 前 | 0

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sorting non-exact x/y data into rows and columns, typewriter style
x = [1.01,2.01,1.02,2.02]; y = [1.01,1.02,2.01,2.02]; m = [x(:),y(:)]; % simpler [~,id] = sortrows(round(m),[-2,+1])

約2ヶ月 前 | 0

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How can I extract an array of numbers from a text-formatted cell array of strings.
C = {'20s';'15m';'';'24s';'';'44s';'3h';'40m';'20s';'';'14s'} F = @(t)prod(sscanf(t,'%f')); V = cellfun(F,regexprep(C,{'h$','m...

約2ヶ月 前 | 1

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Update an Excel file after each Matlab calculation
You can use a COM server to trigger Excel to recalculate the worksheets: https://www.mathworks.com/matlabcentral/answers/100938...

約2ヶ月 前 | 0

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Error using (function_name). Too many output arguments.
You did not define the function to return any output arguments: function calcolo_cp(T,fluido) If you intended to return e.g. C...

約2ヶ月 前 | 2

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Vectorize nested for loops with indices and subscripts
A = [1,2,0,2;2,1,3,0;0,3,1,3;2,0,3,1] matArray = unifrnd(-1,1,[4,4,10]) Method one: [X,Y] = meshgrid(1:size(matArray,3),A(:))...

約2ヶ月 前 | 0

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Can a custom argument validation function alter the field names of its input variable?
The hard part is not validation, but mapping random fieldnames to your desired fieldnames. Notet that argument validation does ...

約2ヶ月 前 | 0

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How to write all cells of structure in excel sheet ?
Why is a scalar structure nested inside a (pointless) scalar cell array? Why are lots of scalar numerics stored inside a cell a...

約2ヶ月 前 | 2

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How to define variable names for resampling?
You should: replace the ISMEMBER with ENDSWITH get rid of those asterisks For example: endsWith(files(i+j).name, {'_B03_10m....

約2ヶ月 前 | 0

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How should I fix my regular expression to parse this txt file?
"It seems that my regular expression is way too broad and causing this problem." There are several locations where your regular...

約2ヶ月 前 | 0

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What is the equivalent datetime() call to the clock() function?
Note that DATETIME is an object with properties, so (depending on your requirements) accessing its properties is a simple option...

2ヶ月 前 | 0

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How can I convert matrix to cell?
https://www.mathworks.com/help/matlab/ref/mat2cell.html A = reshape(1:40000,100,400)'; C = mat2cell(A,4*ones(1,100),100)

2ヶ月 前 | 0

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How to name and save the results using the name of imported file ?
A much better approach is to store the data in e.g. a structure array: P = 'absolute or relative path to where the files are sa...

2ヶ月 前 | 0

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