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_...

2 years 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...

2 years 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...

2 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(...

2 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 ...

2 years 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...

2 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...

2 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...

2 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...

2 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...

2 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 ...

2 years ago | 2

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Answered
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...

2 years ago | 1

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Answered
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 ...

2 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...

2 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);

2 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...

2 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 ...

2 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...

2 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...

2 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 ...

2 years ago | 0

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How to plot a graph like this??
scatter it is, indeed. From the link, "specify x and y as matrices of equal size. In this case, scatter plots each column of y ...

2 years ago | 0

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Answered
Function "diff" and the loss of an element in the array
diff is defined as x(i+1)-x(i) for i=2:numel(x). But, MATLAB arrays are always 1-based so the result of x(2)-x(1) is in the fir...

2 years ago | 0

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how do I use importdata() to import specific columns of data from a .txt file?
importdata returns an array, not a struct nor table -- it has its uses, but I generally avoid it for more specific functions tha...

2 years ago | 0

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Pass input arugments in .exe file generated by Matlab coder
<You must modify a main.c> function to read/use an argument list when creating a standalone executable; it doesn't happen by def...

2 years ago | 0

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Answered
readtable(html file) producing extra empty columns
Use 'SelectedVariableNames' with the variable(s) desired I can't tell what you want, specifically, there's a comment to read on...

2 years ago | 0

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How do I add these two variables? i keep on getting an error.
We don't know enough to be complete, but assuming the two input values are numeric, then function AddButtonPushed(app, event) ...

2 years ago | 0

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Add zero padding to fft for accurate estimation
Returning the one-sided frequency spectrum instead of two-sided (the zero frequency/DC component is in the middle). Fs = 1e3; ...

2 years ago | 0

Answered
How to set characters font in excel by m-file?
Worksheet.Range('A1').Characters('Start:=2, Length:=2').Font.ColorIndex = 3; % 2nd and 3rd characters color red, NG MATLAB does...

2 years ago | 0

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Answered
Simple array multiplication of incompatible sized arrays
What KIND of "multiply"? "*" is matrix multiplication and SV=rand(62,3); NED=rand(186,3); M=NED*SV.'; whos M so you can mu...

2 years ago | 1

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Answered
Correlation and regression between matrixes with NaN values
"...regression and correlation coefficent between two matrixes (temperature and sea level pressure), ... to have a .... for ever...

2 years ago | 2