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find sequence in a matrix
I=[0 1 0 1 1 1 0 0 0 1 1 1 0 0 1 0 1 0;0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 0 1;1 1 0 1 0 1 0 0 0 1 0 1 0 0 1 1 1 0] k=3; [minv...

11 mois il y a | 0

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how to determine the wavelengths of an fft of a non-dimensional sequence
Perhaps as follows? %Example N=100; t=linspace(0,2*pi,N+1); t(end)=[]; x1=sin(t) ; %Wavelength N=100 x2=sin(2*t) ; %Wavelen...

11 mois il y a | 1

Question

Quick Access bar capacity
My Quick Access bar is filling up: What happens when I want to add more buttons than will fit on the top blue strip, even...

11 mois il y a | 2 réponses | 0

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Index exceeds the number of array elements
Either testarray is shorter than you planned or sentsize(1) is larger than you planned. Specifically sentsize(1)+35 is exceedin...

11 mois il y a | 0

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Obtain Pixel Shift from Registered Images
There's no reason you can't use the tform from imregtform to imwarp the original images, even if the registration was done on cr...

11 mois il y a | 0

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Trouble using container with cell type for key and structure array for values..
Perhaps use a dictionary, instead of containers.Map? keys = compose("A0%.2d" , 1:15); values = struct('abc', num2cell(1:15));...

11 mois il y a | 1

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How to prevent parfor from slowing down towards later iterations?
Is there a way to change this? I suspect not. Firstly, if you have reduction variables, the workers that aren't iterating aren'...

11 mois il y a | 0

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How can I reduce the "method error" with my central-difference method, when estimating a Jacobian matrix of partial derivatives?
Try making the step size adaptive to the evaluation points. E.g. f=@(x) x.^3; %function g=@(x) 3*x.^2;%true derivative G=@(x...

11 mois il y a | 0

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How can I draw a circular trend line in a heat map?
If the trend line is supposed to be elliptical, you can use gaussfitn, https://www.mathworks.com/matlabcentral/fileexchange/691...

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How do I add semi-colons to lines of MATLAB code automatically in MATLAB?
You can use favoriteForceSemicolons.m from this File Exchange download, https://www.mathworks.com/matlabcentral/fileexchange/18...

11 mois il y a | 0

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Is there a way to suppress command outputs to command window?
As a partial solution, you can use favoriteForceSemicolons.m from this File Exchange download, https://www.mathworks.com/matlab...

11 mois il y a | 0

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Keyboard shortcut to evaluate current line?
I have created this File Exchange submission, https://www.mathworks.com/matlabcentral/fileexchange/181000-customized-text-modif...

11 mois il y a | 1

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Programmatically paste into the Matlab Editor
I have created this File Exchange submission, https://www.mathworks.com/matlabcentral/fileexchange/181000-customized-text-modif...

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How to save the proceesed image in the same size as input image
outputImage=imresize(outputImage,OutputSize=size(inputImage)); imwrite(outputImage , filename);

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coneprog 代码生成过程中报错：'secondordercone' not supported for code generation.
Upgrade to R2024b where it is supported, https://www.mathworks.com/help/releases/R2024b/optim/ug/coneprog.html#mw_9834fbc9-e577...

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How can we see yticks below zero as positive and keep labels updated when zooming in?
x=linspace(-1,1); plot(x,x.^3); yline(0); ax=gca; ax.YTickLabels = erase(ax.YTickLabels,'-');

11 mois il y a | 0

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Matrix is generating one larger than it should be
Does it help to remove the +1 from this line? Or, perhaps the loop should run from n=1:Z. Otherwise the finalcolumn of q never ...

11 mois il y a | 0

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How to expand a matrix and interpolate between values?
See retime, e.g., T=timetable(hours([1;2;3]),[1.1,5.6,3.2]', ... 'DimensionNames',{'Time','Degrees C'}, ... ...

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Extract consecutive elements from a vector in a sliding manner
A = [1 ;2 ;3 ;4 ;5 ;6]; Ar=reshape(A,2,[]); for i=1:size(Ar,2) A_slice=Ar(:,i) end

11 mois il y a | 1

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Help me get this shape on the masks
This requires a File Exchange download, https://www.mathworks.com/matlabcentral/fileexchange/71226-tspsearch load BW dsk=@...

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What do you think of my numerical Jacobian, using the central-difference method?
I'm assuming rdots and rddots are symbolic functions, based on your previous posts and on the fact that you have concatenated th...

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Question

Programmatically paste into the Matlab Editor
I have highlighted a selection of text in the Matlab editor. I would like to run a command, in the command window, that will rep...

11 mois il y a | 1 réponse | 0

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My 6x6 symbolic Jacobian matrix is massive, and matlabFunction( ) is having trouble writing the corresponding numerical function file.
Maybe just compute the Jacobian numerically, by finite differences? If the analytical expressions for the Jacobian are that mass...

11 mois il y a | 0

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Generating dynamic legend without duplicates
One way: load Inputs mySelectedPalette = myPalette24; % Code Block 1 % Split input data into a section below trade exces...

11 mois il y a | 0

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Manual Input of Classes for unet Deep Learning Network
This worked for me: load('debug.mat') %Reorganize training data T=training_data.UnderlyingDatastores{2}.readall; T=reorder...

11 mois il y a | 0

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Why "saveobj" is invoked two times when saving a object?
I don't know why saveobj is called twice. Perhaps the first call is so save() can obtain a template of the object to be stored i...

12 mois il y a | 0

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Sparse matrix division results in "array exceeds maximum array size preference" in one case but not another
When circ_pml = 1, your URyy matrix conatins Inf values. This confuses inv,mrdivide, and other similar operators.

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How do I get each iteration of a for loop into a single row matrix?
Data=[ 11 17 13 4 12 8 12 10 7 14 12 6 10 14 11 ...

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How to replace multiple xlsread commands
data1 = {'dog',1,3,'cat'; 10 12 'fish' 17} idx=cellfun(@isnumeric,data1); NUM1=nan(size(data1)); NUM1(idx)=cell2mat(data1...

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Constraint tolerance setting is not working
You need to demonstrate the problem with code, but based on your description, nothing is obviously wrong as far as the constrain...

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