Answered
How to Fix the “Dot indexing not supported for variables of this type” Error in MATLAB
That's just a plain text file; use readmatrix to bring it in as an array... % first read as text to be certain of file structur...

8 months ago | 0

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Answered
Order of files pulled from Datastore
"...around 1000 csv files, labeled filename_1, filename_2,...filename_1000" It's sorted in ASCII order; hence filenames begin...

8 months ago | 0

Answered
How to Avoid 1.0e+03 when read the readexcel data in matlab app designer ?
Formatting numeric values in the uitable is limited -- the only way you will be able to do this will be to convert to a string w...

8 months ago | 0

Answered
Why my binary mask show only 0 value?
fontSize = 16; I=imread('cropa8.png'); subplot(1, 2, 1); imshow(I, []); axis('on', 'image'); drawnow; hp = impixelinfo(); ...

8 months ago | 0

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Answered
Alternatives for str2num function not supported for code generation
G.Nodes.Name=cellstr(num2str([1:9].')); % make example struct N=str2double(G.Nodes.Name) % convert to ...

8 months ago | 2

Answered
How do I obtain 8760 mean hourly data points from 10.6 years data?
tt=readtimetable('XWinddata.xlsx'); head(tt,1) tt=removevars(tt,{'yearhour','DoY'}); % clean so star...

8 months ago | 1

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Answered
Writing a function in MATLAB
% 1. Associate coefficients with parameter array to estimate A --> b(1) q1--> b(2) q2--> b(3) beta1>b(4) beta2>b(5) lambd...

9 months ago | 0

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Answered
I am trying to perform Short-Time Fourier Transform (STFT) on two sets of 3D data
Error using pwelch Expected x to be finite. The problem is your input data have either NaN or Inf values somewhere in it ... N...

9 months ago | 0

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how to mex free fortran 90 format with the last matlab release
" ... but it is very strange that fortran 90 95 ... were not recognized by default." Oh, indeed! Add your complaint to officia...

9 months ago | 1

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Answered
Does customizing colormap manipulates interpretation of a plot to a reader?
syms z r theta n m X(z)=atan(z); Y(z)=z/(z^2 + 1); Z(z)=sym(1/2) - 1/(2*(z^2 + 1)); X(r,theta)=subs(X,z,r*exp(1i*theta)); Y...

9 months ago | 0

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Answered
Add numbers to the matrix
log=readtable('logfile (8).xlsx') examp=readtable('logfile_example.xlsx') Why is the example 25K where the other is 28K record...

9 months ago | 0

Answered
applying a function to a datatable using rowfun
Seems as though you could have given the actual problem in the beginning when we did this last... tT=readtable("data1.csv", "Va...

9 months ago | 0

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Answered
Why doesn't the standard deviation show on boxplot?
Read the "More About" section of the boxplot doc that explains the output plot -- in particular, observation within the whisker...

9 months ago | 1

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Answered
Use splittapply with division
@Mario Malic fixed the problem w/ splitapply; you only wanted to divide by the first element of the group (which is a scalar so ...

9 months ago | 0

Answered
Read text without converting to date
writematrix(["7DEC","FEB6","FFFE","ABCD"],'test.csv') type test.csv data=readcell('test.csv') fid=fopen('test.csv','r'); dat...

9 months ago | 0

Answered
Passing value of Edit Field box in app designer to external function/.m file
The above comment would be the klunky way to fix what you have presently by making the two callbacks work to do the same thing. ...

9 months ago | 0

Answered
transfer Matlab Workspace to Excel
Easiest would be to use arrays instead of a zillion sequentially named individual variables; associate a string array of names w...

9 months ago | 1

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Answered
Escape characters in compose with array input and minus sign *edit* with "empty" string ""
q = compose("%s%d\\gamma/%s",[" ";"-";"-";" "],transpose(1:4),compose("%d",transpose(5:8))) You are passing an empty string to ...

9 months ago | 1

Answered
Passing value of Edit Field box in app designer to external function/.m file
"...pass the value from the EditField box to a variable inside a .m file, upon the press of a button" Simply call the function ...

9 months ago | 0

Answered
zero lag when using xcorr on 2 near-similar, shifted timeseries
load A, load B whos subplot(2,1,1) plot(ADV_sampled) hold on plot(PIV_mag_test) xlim([300 inf]) subplot(2,1,2) plot(ADV_...

9 months ago | 0

Answered
search last day calendar in several year
"...only changing to two-week difference won't be reliable; it would produce Saturdays two weeks apart, yes, but not only the fi...

9 months ago | 1

Answered
Using accumarray to organize large CSV
tT=readtable("data1.csv"); tT.Properties.VariableNames(2)={'Site'}; % shorten to be more convenient to use head(tT) G=grps...

9 months ago | 0

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Answered
search last day calendar in several year
Iffen I interpret the request correctly, you want the Saturdays from 2015 thru 2023... dt=[datetime(2015,1,1):days(7):datetime(...

9 months ago | 1

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Answered
How to merge two characters into one in Matlab Simulink
function RC_ROLL = fcn(R) RC_ROLL=double(256*uint16(R(26))+uint16(R(25))); end Of course, that's what your m-file version ...

9 months ago | 1

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Answered
How do I open powerpoint at a specific slide from Matlab?
That will all be answered by the PowerPoint VBA documentation of methods; it's not a MATLAB Q? at all... See https://learn.micr...

9 months ago | 0

Answered
subtracting consecutive elements from arrays
num = [50 51 53 51 50 55 56 57 53 54 55 56 58 55 54 57 58 59 60 61]; Q = [10 15.8 19.5 19.5 15.8 10 4.1 0.5 0.5 4.1]; d = [dif...

9 months ago | 0

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Answered
app.UIFigure = uifigure(); creates a new UIfigure window and the original app is not accessible through app.UIFigure
If the AppDesigner app main figure were named just UIFigure in the auto-generated startup code function createComponents(app), t...

9 months ago | 0

Answered
Random number generate - Specific values
V=[7,8.5,9.625,12.25]; % the values to repeat N=5000; % total number wanted RV=repmat(V,1,N/n...

9 months ago | 0

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Answered
How to replace a line in a text file?
text files are sequential files and can't easily be written to in the middle...in MATLAB, the simplest thing to do will be to re...

9 months ago | 0

Answered
How to use an excel sheet as function?
Have to use COM and send <the Excel instruction to force recalculation>... I'd suggest to move the calculations into MATLAB as ...

9 months ago | 2

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