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How do I get a zoomed portion of a plot inside a plot, to enhance the visualization?
I am giving you the framework that you can use to do this the way you want. Every component of what you asked is there, they are...

約8年前 | 6

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I want to convert from Cartesian to spherical coordinates in MATLAB. I have tried to use cart2sph in MATLAB but it is showing some error
You have to actually input the x, y and z vectors separately.Like [azimuth,elevation,r] = cart2sph(V(:,1),V(:,2),V(:,3));

約8年前 | 0

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How to reshape a 3D array to 2D array along the diagonals?
Checkout: <https://www.mathworks.com/help/matlab/ref/blkdiag.html blkdiag>

約8年前 | 1

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is there any way to set up a script to run a general amount of nested loops?
Why not just do val(1,:,:) or val(i,:,:)?

約8年前 | 0

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Index a row of a matrix using as indexes specific ordered elements
This should work for most cases, it will also catch cases that wrap around though like a row [4 3 5]: [row column] = find((...

約8年前 | 1

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how to create my own library in Matlab?
MATLAB does have in some sense an overlooked and under-utilized analogue to libraries called <https://www.mathworks.com/help/mat...

約8年前 | 1

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3D Surface Plot Showing Flat Surface
You for got a dot somewhere: x=[0:1:15]; y=[0:1:15]; [xx,yy]=meshgrid(x,y); zz=xx+(2*xx.*yy.^2)+3*xx; % HERE surf(x...

約8年前 | 0

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Error in function at if-elseif
x is a vector at this point so your comparisons are not resolving to a single true false. I am guessing this is what you meant t...

約8年前 | 1

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How do I get a script to wait until a figure is closed?
_uiwait_ will probably halt the execution completely. I think you want the program to keep running until the figure is closed in...

約8年前 | 0

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Multiplication of Array of Matrices with Array of scalars
I believe you are over-complicating your problem by thinking as if you are working things out on a board. Your operation is sepa...

約8年前 | 0

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How to add new rows in an existing .mat file?
Take a loot at this: <https://www.mathworks.com/help/matlab/ref/matfile.html MATFILE>. This is actually a function, and you c...

約8年前 | 1

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How can i get the coordinates of a location from (e.g.) Google Maps into matlab?
To do this in an automated where you click on a map point and a coordinate appears in MATLAB in real time would require a massiv...

約8年前 | 1

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How can I input values through variables in a multi-variable equation
This should help: <https://www.mathworks.com/help/matlab/matlab_prog/anonymous-functions.html Anonymous Functions>

約8年前 | 0

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how to save a name in a cell
If you intended to use cells, they are indexed with curly brackets: category{k} = v;

約8年前 | 0

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How can I visualize a 3D matrix with boolean values (0 or 1)?
<https://www.mathworks.com/help/matlab/ref/isosurface.html Isosurface> is one way. <https://www.mathworks.com/matlabcentral/...

約8年前 | 0

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remove connected small objects in image
Look at <https://www.mathworks.com/help/images/ref/imopen.html imopen>. This might be an easy way to treat this particular case....

約8年前 | 0

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Subscript indices must either be real positive integers or logicals?
There is a more fundamental issue here: inv(A + u*u')=invA - 1/Z * invA * u*u' * invA The above line indicates that you ...

約8年前 | 1

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How to delete values using logical operator.
function f=test7() clc; r=[2 4 3 1 8 7 6 1 6 0]; r(r==4|r==6)=[]; f=r; end

約8年前 | 0

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HELP!! I need to use a loop to make my cell array
Huh, my answer to this question seems to have disappeared. cat(2,master_location{:}) This should solve your specific pro...

約8年前 | 0

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Creating vectors from 0 to 1, i.e. 0:0.01:1 leads to invisible rounding errors?
Check "eps". Those are numerical artifacts introduced because you are accessing decimal points beyond the accuracy of MATLAB(dou...

約8年前 | 0

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How to use k means segmentation to segment color image without converting it into gray scale?
Read <https://www.mathworks.com/help/stats/kmeans.html#inputarg_X K-Means>, especially the part about "X" (the input). An image ...

約8年前 | 1

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I want to get rid of unwanted blobs in the segmented image (i only need fruits in the image). Please suggest me a solution and attaching the image
Grab the red channel of that image and manually crop a portion of the red fruit as a small template (use "crop") run: normx...

約8年前 | 0

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Iterate through a dir structure to pull out only certain files into another dir structure.
Just use: list = dir('*.nrrd')

約8年前 | 0

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3D Interpolation around solid regions in volume data
If you have geometric knowledge of the invalid regions, one workaround is to eliminate them from the interpolation process. Use ...

約8年前 | 0

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crop a binary mask without other regions
If your images always contain 2 clearly separated entities, use `bwconncomp` or `bwlabel`. Many ways to do this. For example:...

9年以上前 | 1

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Speed up Matrix Subtraction for Euclidean Distance calculation
If you have the stats & ML toolbox: NS = createns(M1'); % Create Search Object for The Train Set Idx = knnsearch(NS,M2')...

9年以上前 | 1

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What does this refer ?
All of these use cases have examples in documentation: Check out the first tip here: <https://www.mathworks.com/help/matlab...

9年以上前 | 0

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How to convert a stack of medical images in the work space into .png without losing information?
for i = 1:104 currentImage = YourData(:,:,i); currentFileName = ['YourFileName', num2str(i), '.png']; imwrit...

9年以上前 | 0

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How save data from cell to array?
Checkout <https://www.mathworks.com/help/matlab/ref/cell2mat.html cell2mat>.

9年以上前 | 0

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What does NaN mean here?
Looks like the code intended to initialize a matrix filled with NaNs and does this by adding NaN to a zero matrix. Any number + ...

9年以上前 | 1

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