circle inside triangle tangent points
You can find the circle using incircle in this FEX submission https://www.mathworks.com/matlabcentral/fileexchange/34767-a-suit...

9 days ago | 0

fmincon gets very slow after few time
A few more performance optimizations that you should consider: maps = zeros(rows,columns,3,'single'); %<------ post conversio...

9 days ago | 1

fmincon gets very slow after few time
I suspect samsid() is just not as smooth or well-conditioned as mse() for some pixels, and therefore takes more iterations to te...

9 days ago | 1

Question

Restore toolbar buttons to app after migration from GUIDE
After using the Guide-to-AppDesigner migration tool, my app no longer has the standard figure toolbar buttons in the app figure ...

9 days ago | 0 answers | 0

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Finding intersection points in a square.
Yes, you can use, https://www.mathworks.com/matlabcentral/fileexchange/93470-intersections-of-multiple-2d-lines-or-line-segment...

9 days ago | 0

Trying to understand behavior of holes in alphaShapes.
I found the following in posted material for a course at Stanford. It's a pretty intuitive explanation of how alpha shapes work,...

10 days ago | 0

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Function to compute product of all numbers from 1 to n
integerproduct(5) function r = integerproduct (n) if n==1, r=1; return; end r=n*integerproduct(n-1); end

10 days ago | 0

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Replacing Negative Values in Table with Previous Value in Column
T(:, {'D', 'E'}) = num2cell( fillmissing([D,E], 'previous') );

10 days ago | 0

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How do I create a 2D mesh of triangular elements?
Yes. Or triplot().

10 days ago | 0

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How do I turn off predictive text?
I've changed the Automatic Completion preferences, but it's still there. There is a different Automatic Completion section for...

11 days ago | 1

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How to concatenate output of objective function for lsqcurvefit?
c0 = [ic_arg{1}(x).'; ic_arg{2}(x).'; ic_arg{3}(x).'];

11 days ago | 0

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Saving outputs of a funtion inside nested for loop in organized fashion
Instead of returning 20 separate outputs, you could have paramA return them as fields of a struct. Then you could save each outp...

11 days ago | 0

Using bsxfun to plot
Now idea why you think bsxfun should be involved. Why not just, t=linspace(-2,2,n); plot(t,signal,t,filtsig)

11 days ago | 0

is there a function that receives 3 coordinates in X-Y as a matrix and calculates its Area and environment ?
p=polyshape(yourPoints); area(p) perimeter(p) centroid(p)

11 days ago | 1

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Remove duplicate points by Uniquetol
uniquetol(xy, 1, 'ByRows', true,'DataScale',[1,1]) % or

11 days ago | 0

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Submitted

Further tools for analyzing objects in N-dimensional images
A collection of tools to supplement bwpropfilt, bwareaopen, and the like.

Solving a large number (thousands) of different "Ax=b" equations when the matrices A are all the same small size (3x3 to 6x6), but different numbers.
If you have the Parallel Computing Toolbox, you can use pagefun(@mldivide,A,b) https://www.mathworks.com/help/parallel-comput...

11 days ago | 0

Solving a large number (thousands) of different "Ax=b" equations when the matrices A are all the same small size (3x3 to 6x6), but different numbers.
I suspect that a for loop will be fastest, but you could also try combining them into a single set of equations using, A=blkdia...

11 days ago | 0

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For loop with 2 variables
parfor k =1:N^2 [i,j]=ind2sub([N,N],k); .... end

12 days ago | 0

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Fminsearch curve fitting does not fit properly
Plotting your function in an interval around bmin shows that it is a minimum of the function you've provided. So, fminsearch did...

12 days ago | 0

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Question

Trying to understand behavior of holes in alphaShapes.
I have created the attached alphaShape object, which contains a hole. load alph_shape; shp plot(shp) I am trying to unders...

12 days ago | 2 answers | 0

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Accuracy of polygon approximation
Perhaps the Dice Coefficient would be an appropriate metric. This would be a very easy calculation if the shapes are stored as p...

13 days ago | 0

Replace loop to create a matrix
This might be a more efficient way to build arg, but I suspect that your bottleneck will be in blkdiag(). function f = denomina...

13 days ago | 1

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how to find the average of a table 366-by-6
Perhaps as follows, mean(varfun(@mean,x,'InputVariables',@isnumeric,'OutputFormat','uniform'))

13 days ago | 0

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How to draw mean value as shown in picture
Perhaps movmean() or, https://www.mathworks.com/help/curvefit/smoothing-data.html

13 days ago | 1

Using 'if' to conduct specific matrix cell operations
P2=ones(size(P)); subset=(P<1); P2(subset)=1-Pfailgrid(subset);

13 days ago | 0

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Index table with cell array
Yes, you can use ismember(...,'rows') to find the indices of the rows.

13 days ago | 0

Updating values in a matrix when corresponding variable values are updated
You can do it with some object-oriented programming trickery, but in the long run, I don't think it's going to be what you want....

13 days ago | 0