Answered
How to find min, max, and movmean for each page in multidimensional arrays
MIN=min(A,[],[1,2]); MAX=max(A,[],[1,2]); MOVMEAN=convn(A,ones(1,k)/k,'valid');

4 years ago | 0

Answered
How can I use graph object info to find: areas, number of sides, and perimeter lengths of a each connected polygon within a network of polygons?
Your attachment doesn't contain a graph object. However, perhaps it will help to mention that if you have the vertices of a poly...

4 years ago | 0

Answered
Could someone write some code to extract details within a for loop?
Something like this.... function stuff=getStuff(tgraph,arcNumber) AP=tgraph.ArcPoints; i=arcNumber; ...

4 years ago | 0

Question

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...

4 years ago | 2 answers | 0

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Answered
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?

4 years ago | 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(...

4 years ago | 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...

4 years ago | 0

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

4 years ago | 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 ...

4 years ago | 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...

4 years ago | 0

Answered
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...

4 years ago | 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...

4 years ago | 0

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

4 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

4 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...

4 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...

4 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)

4 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.

4 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...

4 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.

5 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

5 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;

5 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 ...

5 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...

5 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...

5 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...

5 years ago | 1 answer | 0

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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...

5 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.

5 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...

5 years ago | 0

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

5 years ago | 0