Find the average between each pair of points in a matrix
I'd do it as z=randi([-5 5],8) za=filter2(ones(2)/4,z) % averaging 2D filter with same size as input (zero padded) zv...

2 months ago | 1

Array rows differences and array filling in a loop
The cell array @Jon shows is simpler to code and what first strikes, but the answer to the Q? as you posed it to store into the ...

2 months ago | 1

How do I edit this bar graph so that the weights appear equally distanced on the x-axis with 4 bars for each weight, all of different colour.
The weights vector is 'x' There are examples of grouped bar plots at the doc page...sorry, I said 'stacked' before; that's what...

2 months ago | 0

Fit a equation to a scatter plot in log log scale with the given parameters

2 months ago | 0

How do I edit this bar graph so that the weights appear equally distanced on the x-axis with 4 bars for each weight, all of different colour.
Use X as a vector as categorical (or if numeric, use 1:N and then write the x tick labels with the desired values for display), ...

2 months ago | 0

How can I pass a large function into ODE45?
Write your function as an m file and pass a handle to it; don't try to do stuff in scripts or complicated stuff as anonymous fun...

2 months ago | 1

Extract matching row from another cell array
Air code; the load operation didn't work online... >> load all_files >> pieces=split(extractBefore(all_files,'.'),'_'); Error...

2 months ago | 0

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how to find the location of a specific element in a matrix or in a excel file
What do you mean "to find the location of each element"? You mean just read the file, don't you; the location is really of very...

2 months ago | 0

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How I can find a specific word in a notepad text?
"i want to find the word " lege" in the document and then to count how mnay times apear this specific word" txt=readlines('your...

2 months ago | 2

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Matlab App Designer - Output to TextArea Error - 'Value' must be a character vector, or a 1-D array of the following type: cell array of character vectors, string, or categori
app.ClassificationTextArea.Value{i+1} = classification; tries to address the .Value property as a cell array which it doesn't s...

2 months ago | 0

Editor Text Is Too Small
The Editor Font selection is buried under the "Fonts -- Custom" menu in the Preferences. Why it's not associated with the Edito...

2 months ago | 0

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Formatting read data from text files
txt=readlines('YourInputFile.txt'); % read text file as string array fprintf('%s\n',txt) % dumpt to com...

2 months ago | 1

How to exctract specific elements from .txt file?
d= [' 4; 65; 7.5; MGK ; 4; 5; 66; MARKUS; 46.63641; 65' '11; 26; 5 ; LEON ; 78; 93; 88; LUTHER; 50.3554 ...

2 months ago | 0

I plotted 2 plots each with error bars, but the legend is not showing the symbols correctly, how to solve it?
a = [1:5 ]; b = [6:10]; x = [1:5 ]; mu1 = mean(a); cig1 = std(a); err1 = cig1; mu2 = mean(b); cig2 = std(b); err2 = cig...

2 months ago | 0

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number of significant digits for the coefficients in curve fitter (polynomial, with two degree)
All are estimated to full double-precision; the number of digits that are displayed is solely dependent upon how you look at the...

2 months ago | 1

how to print datetime in fprintf
We don't have sufficient data to reproduce the problem -- we don't have definitions of ProfName, ProfDateNum, nor indNaN Guess...

2 months ago | 1

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try...catch for memory full error in imaq toolbox ?
Well, you probably can manage to do it from the above, but it's peculiar as Bruno notes...observe if we take your monitoring dat...

2 months ago | 0

How to convert matrix or vector in Matlab workspace into C/C++ array usable in ".c" file?
a=1:5; vname='a'; precision=16; fmt=['uint%d_t %s={' repmat('%d,',1,numel(a)-1) '%d}']; c_code=sprintf(fmt,precision,vname,a...

2 months ago | 0

Why is there such a big difference between the fitting results of 'exp2' and the same form of custom function?
The biggest difference is probably found in the documentation under the 'Nonlinear Least-Squares Options" parameter 'StartPoint'...

2 months ago | 1

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csv file wrong numbers filled with MATLAB
"(attached a screenshot of the function definition)..." Don't use images for code; attach the text and format the code. Nobody...

2 months ago | 0

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How to change the Xtick direction of ONLY one of the two (top or bottom) X-axis lines ?
% my plot figure plot(1:9) % properties hAx1 = gca; hAx1.XAxis.TickDirection='out'; hold on hAx2=axes('Position',hAx1.P...

3 months ago | 1

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For Loop Starting at Zero
H = 0.1; I = 200; Y = 0; BI = zeros(I,1); b = pi; for i = 1:I b = fzero(@(b)(b*tan(b)-H),b); BI(i,1) =...

3 months ago | 0

Make changes to multiple files simultaneously?
Notepad++ has a feature that may work if you can make the replacement with a [regexp] expression as a substitution. Alternative...

3 months ago | 0

A = 10; B = 30; C =15; A_Threshold = 70; B_Threshold = 80; C_Threshold = 85; save sample.mat A B C A_Threshold B_Threshold...

3 months ago | 0

Scatter Plotting With Custom Markers?
There's no way I'm aware of to use an image as a marker in a line or scatter object, There's a <FEX submission> that will let y...

3 months ago | 0

You have to add the starting location of your subsection to the returned location if you subset the overall signal, The loop yo...

3 months ago | 0

FOR loop count to the end but the length of the array is different
Observe the following... y(7,1)=10 Note that MATLAB created the array of seven values and filled the last entry. In your orig...

3 months ago | 0

How to put non repeated elements of a symmetric matrix in a row vector?
"... the matrices are symmetric with names of z1,z2,...z571;" First, do NOT create sequentially-named variables such as that; f...

3 months ago | 1