Answered
Where is the Documentation for Indexing on the Left Hand Side of an Assignment?
Here: https://blogs.mathworks.com/loren/2020/01/31/repeated-indexing-in-matlab/ https://blogs.mathworks.com/loren/2007/07/26/as...

16 días ago | 1

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Answered
extract the last value from each cell in array?
The simple MATLAB approach: M = readmatrix('transRewards_40_0.1_2.csv', 'LineEnding',']', 'TrimNonNumeric',true) plot(M(:,20))...

18 días ago | 0

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Answered
Questions about the rgb2gray function
"does anyone know why?" The values shown in the documentation are shown only to 3 decimal places. The actual values used for t...

18 días ago | 0

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Answered
Replacing values of a vector with values in another vector of a different size
A = [0,0,0,1,1,1,0,0,1,1,0,0,0]; B = [1,2,3,inf,4]; C = double(A); C(A==1) = B; C(isinf(C)) = 0

19 días ago | 0

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Submitted


Convert between RGB and Color Names
RGB to color name. Color name to RGB. Supports many palettes: CSS, dvips, HTML, MATLAB, RAL, SVG, X11, xcolor, xkcd,...

19 días ago | 21 downloads |

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Answered
How do I compare two shuffled vectors, and get the indexes of one as it appears in the other?
A = ["cond1","cond2","cond3","cond4"]; b = ["cond4","cond2","cond1","cond3"]; [~,X] = ismember(A,b)

20 días ago | 1

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Answered
Problem with accessing struct in a struct
"Why didnt my idea work out accessing the variable/array in the struct in the struct by using the command oe_sum.a.A for example...

20 días ago | 0

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Answered
Improve speed of execution by pre allocation of array
"How preallocation could be done in this and similar case?" In that and similar cases the MATLAB approach would be to simply as...

20 días ago | 0

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Answered
Converting rough strings to exact strings
S = [... "textIdontCareAbout_Phenolic32_Group5_textIdontCareAbout" "textIdontCareAbout_P1_textIdontCareAbout" "te...

20 días ago | 0

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Answered
Replacing Arrays and Matrices
"Is it a good idea to overwrite an array with matrix?" There is no difference: MATLAB does not have a "matrix" class: all numer...

21 días ago | 1

Answered
How to make a m*2 matrix into n number of 2x2 matrices
A = rand(208,2); C = mat2cell(A,2*ones(104,1),2)

21 días ago | 0

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Answered
Cell array with space between the ' and }
"the only strange thing about the cell array is that the {'15.0' } has a space after the ' and before the }." It is not strang...

23 días ago | 0

Answered
How to rearrange columns in a MATRIX?
x = [1,2,4,4,5,6; 3,4,6,6,7,8; 3,4,5,6,6,7; 4,5,6,8,7,8] y = reshape(permute(reshape(x,size(x,1),2,[]),[1,3,2]),[],2)

24 días ago | 1

Answered
How to read and use folder name from Address Path?
SelMatPathOld = 'D:\ninn\2_resimResult_0628\20220330'; [~,sub] = fileparts(SelMatPathOld) old = fullfile('.',"ComapareSummary"...

24 días ago | 0

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Answered
Using a loop to load multiple mat files from measurement into the workspace
https://www.mathworks.com/help/matlab/import_export/process-a-sequence-of-files.html P = '.'; % absolute or relative path to wh...

25 días ago | 1

Answered
How do I load multiple .mat files and save them as variables?
https://www.mathworks.com/help/matlab/import_export/process-a-sequence-of-files.html P = '.'; % absolute or relative path to wh...

26 días ago | 0

Answered
To extract the last sub string from strings
Avoid slow CELLFUN, STR2NUM, REGEXP, etc. One SSCANF call is probably the most efficient approach by far, as well as being very...

26 días ago | 2

Answered
How to remove space after using num2str?
V = [1798.4;1798.6;1798.8;1799;1799.2;1799.4;1799.6;1799.8] S = string(V)

27 días ago | 0

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Answered
Overwrite table data with 'Yes' or 'No' according to the logical index
Simpler: S = load('sample1.mat'); T = S.sampleinput X = strcmpi(T.TEST_ITEM1,'TV'); T.TEST_LOAD1(:) = {'No'}; T.TEST_LOAD1(...

27 días ago | 0

Answered
how to query string exactly in matlab
C = readcell('TEST.xlsx') X = matches(C,'M2') or X = strcmp(C,'M2') TIP for the future: scroll to the bottom of the CONTAINS...

27 días ago | 0

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Answered
How to index the matrix only the first dimension of the rest
This will be quite efficient because none of the data in memory is moved around, only the array header is accessed. It also wor...

27 días ago | 1

Answered
compare 1X6 cell data with Structure
It is unclear from your question, if both MatFiles structures are one and the same, or are different. Note that your approach d...

27 días ago | 0

Answered
How to print multiple Values using sprintf In matlab
Rather than hard-coding a fixed number of values to print, I recommend writing more robust code using STRING &JOIN or COMPOSE or...

28 días ago | 0

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Answered
How to sort the files obtained by ImageDatastore?
A very neat and simple approach (from an answer by Pranay Koppula here) is to apply NATSORTFILES to the FILES property of the IM...

28 días ago | 0

Answered
How to extract a string before a number?
The simple approach using REGEXP, without wasting time fiddling around with indices: str = 'abcd-xyzw-1.2.3.zip'; sub_str = re...

29 días ago | 0

Answered
How do I search for and assign variables within my filespace?
Once those differently-named variables are in the workspace then you are really up the creek without a paddle. Fiddling around w...

30 días ago | 0

Answered
How to separate alternate elements from an array?
A = [1,2,3,4,5,6,7,8]; X = A(1:2:end) Y = A(2:2:end)

alrededor de 1 mes ago | 0

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Answered
Looping through different structures?
You did not tell us if those structures are all saved in one MAT file, or each separately in their own MAT files. That would cha...

alrededor de 1 mes ago | 1

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Answered
How do i count numbers ending in 3
Simple, efficient, basic mathematics: x = [234,352,298,213,365,321,293,213]; n = nnz(mod(x,10)==3)

alrededor de 1 mes ago | 0

Answered
search for a folder from a different directory
Using CD is slow and makes code harder to debug. The efficient approach is to use absolute/relative filenames. The best approac...

alrededor de 1 mes ago | 0

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