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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...

3 years ago | 0

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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...

3 years ago | 0

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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...

3 years 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...

3 years ago | 1

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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 ...

3 years ago | 0

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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...

3 years ago | 0

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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. ...

3 years ago | 0

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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...

3 years ago | 1

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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 ...

3 years ago | 1

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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 ...

3 years ago | 0

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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_...

3 years ago | 0

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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...

3 years ago | 1

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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...

3 years 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(...

3 years 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 ...

3 years ago | 1

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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...

3 years ago | 0

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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...

3 years 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...

3 years ago | 0

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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...

3 years 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...

3 years ago | 0

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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 ...

3 years ago | 2

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real or categorical predictors, which one is faster?
Whether to use categorical or continuous variable is context sensitive and should be based on the model intent and interpretatio...

3 years ago | 1

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Addressing variables with special characters in the name
A brute-force, dead-ahead solution is at <Fix .mat file variable names>. It's simply string substitution...as @Walter Roberson ...

3 years ago | 0

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How to make same subplot size at different figures regardless of the number of sub-plot?
The simplest would be to create the same number of subplots for all figures, just not use the extra ones. Alternatively, you ca...

3 years ago | 1

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How do I extract the data corresponding to specific latitude and longitude from this 1x1 structure?
lat=48; lon=11; ixLat=find(GHI.lat==lat); ixLon=find(GHI.lon==lon); vals=GHI.data(ixLat,ixLon);

3 years ago | 0

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Checking whether excel file is opened?
Excel creates a hidden file of the same base name prefixed with "~$" when it opens a file -- this is the backup copy. This file...

3 years ago | 0

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"Publish" code with bugs
publish writematrix("A = [1 2; 3];",'trial_script.m','FileType','text') type trial_script.m publish('trial_script.m') While ...

3 years ago | 0

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Answered
trying to find which row this specific date time is at in an excel sheet
Presuming (although you didn't tell/show us) from the "dot" notation you used readtable to load the data into MATLAB, NumRows=h...

3 years ago | 1

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I want to store the vector from each for-loop iteration, how can I do this?
You're almost there, you've just got to wrap your head around coding in "the MATLAB way"... nR=256; nC=256; % i...

3 years ago | 1

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Answered
I want to find the integration under the exported graph whose function is not known. How to do this?
" I have data points and after plotting the graph i need to find the area under it how do i do that?" <See example at> that is ...

3 years ago | 0