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how to have function with scalar value
"I have a code and 2 objective functions" If you really do want to treat this as a multi-objective problem, you should probably...

3 years ago | 0

Answered
Build new matrix from look up table
C=CD( interp1(B,1:numel(B),A,'nearest') );

3 years ago | 1

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Answered
how to calculate area, perimeter and circularity of objects in an image using regionprops
Notice - >> a=1; %not displayed >> b=2, %displayed b = 2

3 years ago | 0

Answered
calculate std and mean for multiple variables automated
Observe - >> input=rand(10,5) input = 0.8147 0.1576 0.6557 0.7060 0.4387 0.9058 0.9706 0.0357...

3 years ago | 1

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Accessing table variables in a class method
Here is an example to demonstrate that accessing tables by variable name works fine with value classes. Subclassing from 'handle...

3 years ago | 1

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Answered
How to curve fit an equation with sigma function
C = polyfit( sqrt( x.^2+y.^2) , Z, N)

3 years ago | 1

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How can i determine the area in percentage of a clustered image?
Divide the membership of each cluster by the total number of pixels.

3 years ago | 0

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Dimension of arrays being concatenated are not consistent.
Some things you urgently need to learn: https://www.mathworks.com/help/matlab/ref/dbstop.html https://www.mathworks.com/help/m...

3 years ago | 1

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Plotting points in style [x1,y1] , [x2,y2], [x3,y3] and them plot all of them?
No, but you can certainly write your own wrapper for any of the plotting functions to give you the input syntax that you want.

3 years ago | 0

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Index exceeds array bounds
The only solution: https://www.mathworks.com/help/matlab/matlab_prog/debugging-process-and-features.html#responsive_offcanvas

3 years ago | 0

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Answered
hi every one, i need to ask a question, thank you
A=double(A); A(logical(A))=B;

3 years ago | 0

Question


Can symbolic vectors (not vectors of symbols) be defined and manipulated in the Symbolic Math Toolbox?
I would like to define symbolic functions that are functions of vector-valued quantities, like syms A x f(x)=x.'*A*x where A ...

3 years ago | 1 answer | 0

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answer

Answered
Why does skeletonization sometimes reduce horizontal rectangles to single pixels?
Remember what bwskel is doing. It is peeling the outer pixels of the rectangles like an onion over and over again until it reach...

3 years ago | 0

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Translation for an ellipsoid ?
Is there anyway to do this such that later on I need the coordinates of the rotated followed by translated ellipsoid. You can d...

3 years ago | 0

Question


Nested Functions versus Global Variables
Why are nested functions better for sharing variables between workspaces than global variables? There doesn't seem to be much di...

3 years ago | 1 answer | 0

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Answered
scatteredInterpolant in nonlinear system
In the first global declaration, etac is missing from the list. global Hm pe1 pe2 pe3 etae2 etae3 qmax1 qmax2 qmax3 %<--- add...

3 years ago | 0

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Why does fplot think my function is not vectorized
Here's a workaround to trick fplot into doing the right thing.

3 years ago | 1

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Correspondence between intrinsic axes and world axes for imref objects
Or is it j,i, and k like with meshgrid? It is this one, sad to say. You can check it like this M=50; N=40; P=30; ir = imref...

3 years ago | 0

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Answered
put number in cell
B=~cellfun('isempty',A)*0.2

3 years ago | 0

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How to read images with positive integer? No imead()
I definitely don't get all zeros with imread. Problem solved? >> nnz(imread('C0039_100122_INDS.png')) ans = 4624 ...

3 years ago | 0

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Answered
FFT, IFFT and phase shifting
Is this what you want Xf=fftshift(fft(y)); f=fs.*((0:N-1) -ceil((N-1)/2))/N; subplot(2,1,2) stem(f,abs(Xf)/length(y)); ti...

3 years ago | 0

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Answered
Branching points problem in binary image
[I,J]= find( bwmorph(BW,'branchpoints') );

3 years ago | 0

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Answered
How do I replace missing data with other values?
isnan is the correct way to detect and replace nans. Rn=radi; Rn(isnan(radi))= ---- something else ----

3 years ago | 0

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Answered
How can I register or rotate series of image in matlab
imregister or imregtform seems like a good choice.

3 years ago | 0

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Answered
parallel computation for a for loop
parfor pi=1:NP*kkk Tempo1 = zeros( p(pi) ,1 ); Tempo1_M = zeros( p(pi) ,1); Tempo2 = zeros(q(pi) ...

3 years ago | 0

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Answered
How to Hybrid two median filters
out = medfilt2(medfilt2(yourImage))

3 years ago | 1

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fitting a funciton with minimax error
Consider using fminimax.

3 years ago | 1

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Error using trainNetwork. Unable to read file.
I think it is expecting more traditional types of image files like .jpg,.png, etc.. I think for .mat you need to specify a speci...

3 years ago | 0

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Answered
How to use a for-loop to find the onset (first element) of trials of zeros, ones and twos, in an array of sequences of zeros, ones and twos
No, we're not going to do your homework for you. Go away and leave us alone.

3 years ago | 1

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Rotation of the circle (points)
Just add an increment to the th th = linspace(0,2*pi,10) + rotation_angle ;

3 years ago | 0

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