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Bruno Luong


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Answered
command 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...

6 dagar ago | 1

Answered
Error using uitable in a figure, not uifigure
Sorry there is no workaround.

8 dagar ago | 0

Answered
Is version 2021a compatible with windows 10 home (version 21h1)?
Yes, it's my config at home.

21 dagar ago | 0

| accepted

Answered
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);

23 dagar ago | 0

Answered
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 ...

25 dagar ago | 1

Answered
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...

29 dagar ago | 0

Answered
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 en månad ago | 1

Answered
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 en månad ago | 0

| accepted

Answered
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 en månad ago | 0

Answered
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

Answered
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...

ungefär 2 månader ago | 1

Answered
Can I pass arguments to a @callbackFcn?
% Assuming operation,mode are defined % operation = ... % mode = ... configureCallback(s,"terminator",@(s,t) readSerialData(s...

ungefär 2 månader ago | 1

Answered
cell2mat too slow
Try cat(1, nodes.pose)

ungefär 2 månader ago | 0

| accepted

Answered
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.

ungefär 2 månader ago | 0

| accepted

Answered
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

ungefär 2 månader ago | 0

Answered
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...

ungefär 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...

ungefär 2 månader ago | 0 answers | 2

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answers

Answered
Is it possible to make inactive some of lines?
Put "..." (without the quotes) in front of the lines you want to hide

2 månader ago | 0

Answered
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...

2 månader ago | 0

Answered
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...

2 månader ago | 2

| accepted

Answered
splines with derivative conditions at support points
There is the option point-wise constraints (pntcond) of my FEX BSFK to achieve your goal.

2 månader ago | 0

Answered
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

Answered
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

Answered
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...

3 månader ago | 0

Answered
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')

3 månader ago | 1

Answered
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...

3 månader ago | 0

Answered
Best practices to use Matlab assert
No C debug mode slows every statement down. ASSERT costs the overhead of checking whatever you instruct MATLAB to check. It ma...

4 månader ago | 0

Answered
Program to generate permutations in a certain order
clear X X{1}=[1 1 0 1]; X{2}=[1 0 1 0]; X{3}=[1 0 1 1]; X{4}=[1 1 1 0]; X{5}=[0 1 0 1]; X{6}=[0 0 0 1]; n=length(X); P...

4 månader ago | 1

Answered
Equivalent of c++'s NULL or python' s None in MATLAB
If you use recent MATLAB you can use also missing and ismissing

4 månader ago | 0

Question


How to change number precision with writestruct
The number of significant digits of writestruct is quite limited, as showed by this example s=struct('pi',pi); writestruct(s,...

4 månader ago | 1 answer | 0

1

answer

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