Pregunta

Why is help() malfunctioning
Matlab seems to know that the help command is there, at least as far as which() is concerned >> which -all help C:\Program Fil...

más de 6 años hace | 2 respuestas | 0

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Respondida
Integrating a function including mvnpdf. Error: Input function must return 'double' or 'single' values. Found 'sym'.
Yes, that is the reason. Maybe you have made sigma or mu symbolic variables?

más de 6 años hace | 0

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Plotting two functions with ranges in one plot
You could also edit away the data points you don't want h=plot(x, M1, x, M2); ylim([-120,20]); h(1).XData(6:7)=[]; h(...

más de 6 años hace | 0

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Using relative tolerance with fmincon
Can you please update the document that stated that tolerances are absolute (it was posted by MATLAB staff)? No, we cannot. On...

más de 6 años hace | 0

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Confusion matrix not being clearly visible for larger output classes
See the ConfusionMatrixChart Properties.

más de 6 años hace | 0

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Why do I keep getting the error message array indices must be positive integers or logical values?
Why do I keep getting the error message array indices must be positive integers Because the h in X(h) is non-integer and the 0 ...

más de 6 años hace | 0

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optimization problem with two variable maxima and minima
fun=@(x) [2*x(1)^2+23.08*x(2)^2+4*(6+x(1))^2+24+14*(x(1)^2 +x(2)^2)^0.5+3*(x(1)^2+x(2)^2)-Y;... prod(x)-1]; x=fsol...

más de 6 años hace | 0

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matrix multiplication for "3-D" matrices
If you have the parallel computing toolbox, you can do this on the GPU with pagefun(@mtimes,A,B) but this may only provide gai...

más de 6 años hace | 0

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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...

más de 6 años hace | 0

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

más de 6 años hace | 1

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

más de 6 años hace | 0

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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...

más de 6 años hace | 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...

más de 6 años hace | 1

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

casi 7 años hace | 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.

casi 7 años hace | 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...

casi 7 años hace | 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.

casi 7 años hace | 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

casi 7 años hace | 0

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

casi 7 años hace | 0

Pregunta

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 ...

casi 7 años hace | 1 respuesta | 0

1

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Respondida
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...

casi 7 años hace | 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...

casi 7 años hace | 0

Pregunta

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...

casi 7 años hace | 1 respuesta | 0

1

respuesta

Respondida
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...

casi 7 años hace | 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.

casi 7 años hace | 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...

casi 7 años hace | 0

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

alrededor de 7 años hace | 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 ...

alrededor de 7 años hace | 0

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Respondida
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...

alrededor de 7 años hace | 0

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

alrededor de 7 años hace | 0

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