Bruno Luong
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Content Feed
R2021b: The Run Section tool in the Editor has been removed
It's still there
en dag ago | 0
| accepted
is it possible to know if an alert dialog box has opened in app designer app?(testing purposes)
Check out function ishandle
5 dagar ago | 0
| accepted
Question
Restriction of functions run under parfeval
I just see parfeval is available for R2021b allowing to run parallel function (in background) even without the parallel toolbox,...
5 dagar ago | 1 answer | 1
1
answercommand to read all current pressed keyboard keys
This File Exchange works well for me Hebirobotics No toolbox is required and no need to open a figure() to catch the keypressed...
18 dagar ago | 1
Error using uitable in a figure, not uifigure
Sorry there is no workaround.
20 dagar ago | 0
Is version 2021a compatible with windows 10 home (version 21h1)?
Yes, it's my config at home.
ungefär en månad ago | 0
| accepted
Is there an efficient way to write a piecewise function ?
tempfun = @(x) interp1([0 T], A([1:end end]), x, 'previous'); temp = tempfun(whatever_query_t);
ungefär en månad ago | 0
Why does the speed of histcounts vary so much?
It's just an assumption but histcounts probably use binary search on finite edge values. The large last edge probably penalizes ...
ungefär en månad ago | 1
I have a complete undirected graph with labeled edge. is there any toolbox to apply TSP in such graph.
There are several submissions of TSP in file exchanges or if you have optimization toolbox https://www.mathworks.com/help/optim...
ungefär en månad ago | 0
How to find a vector multiple times in an array?
A = [1 3 4]; %x,y,z-coordinates - vector B = [2 3 4; 1 3 4; 5 5 6; 3 4 6; 1 3 4]; %array % which row match find(ismember(B,...
ungefär 2 månader ago | 1
Could anyone help me how to generate the matrix in the following manner as described below
hi=repelem((1:5)',100*(1:5)); r=ceil(rand(size(hi)).*hi)
ungefär 2 månader ago | 0
| accepted
Looking for a faster way of finding the first element larger than a given number in a sorted array
You might try k = discretize(r,b); if b(k) == r k = k+1; end
ungefär 2 månader ago | 0
How to calculate permutation powers
M= [ 1 2 3 4 5 6 7 8 9 10; 3 6 8 1 2 4 5 7 10 9] S=s...
ungefär 2 månader ago | 0
| accepted
Applying vectorization techniques to speedup the performance of dividing a 3D matrix by a 2D matrix
If you have C compilers the fatest methods are perhaps mmx and MultipleQR avaikable on FEX https://www.mathworks.com/matlabcent...
2 månader ago | 1
Can I pass arguments to a @callbackFcn?
% Assuming operation,mode are defined % operation = ... % mode = ... configureCallback(s,"terminator",@(s,t) readSerialData(s...
2 månader ago | 1
How can I call M fuctions in different thread in mex coding matlab and C++?
No you cannot. MATLAB will crash since many MATLAB functions are not thread safe.
2 månader ago | 0
| accepted
How to quickly do Cholesky factorization for many small matrices?
It requires MEX, but it should be fast https://www.mathworks.com/matlabcentral/fileexchange/37515-mmx
2 månader ago | 0
how to vectorize squared function
X=rand(3,10); Y=rand(4,10); L=rand(10); N=size(X,1); M=size(Y,1); XX=reshape(X,N,1,[]); YY=reshape(Y,1,M,[]); YX=reshap...
2 månader ago | 0
Question
Trigger event for graphic handle object?
The function notify seems to be designed for user-define class. Is it possible to make it works on MATLAB graphic handle objects...
2 månader ago | 0 answers | 2
0
answersIs it possible to make inactive some of lines?
Put "..." (without the quotes) in front of the lines you want to hide
3 månader ago | 0
Return all ShortestPath explored nodes
This problem has been answered in this thread https://www.mathworks.com/matlabcentral/answers/494497-how-can-i-get-all-the-exi...
3 månader ago | 0
How interp2 deal with edges on bicubic interpolation?
The boundary handling is descriibed in the section Boundary Condition of this Cubic interpolation reference Especially the equa...
3 månader ago | 2
| accepted
splines with derivative conditions at support points
There is the option point-wise constraints (pntcond) of my FEX BSFK to achieve your goal.
3 månader ago | 0
how to use threads in matlab app designer
Many MATLAB stock functions are not thread safe, they are not suitable for multi-thread run. This is MATLAB limitation one canno...
3 månader ago | 0
Compiler Support for Intel® oneAPI Toolkits - Fortran
It works for me (C) you light be abe to adapt for fortran https://www.mathworks.com/matlabcentral/answers/678588-mex-how-to-mod...
3 månader ago | 0
Submitted
FFT-based convolution
Discrete convolution using FFT method
4 månader ago | 12 downloads |
How to generate random uint64 values
maxval = int64(2^60); n = 100; twop32 = 2^32; q = double(maxval/twop32); hi = floor(q*rand(1,n)); himax = floor(q); lom...
4 månader ago | 0
How to generate random uint64 values
I can't see why you are reluctant to generate 2 x 4 bytes r = typecast(randi(intmax('uint32'),2*100,1,'uint32'),'uint64')
4 månader ago | 1
Graph Laplacian and adjacency matrix
Not sure what data format you have, but for graph % TMW example s = [1 2 2 3 3 3 4 5 5 5 8 8 9]; t = [2 3 4 1 4 5 5 3 6 7 9 1...
4 månader ago | 0
