Community Profile

photo

Bruno Luong


Last seen: Today Active since 2009

Statistics

All
  • 12 Month Streak
  • Revival Level 1
  • Speed Demon
  • Solver
  • Personal Best Downloads Level 4
  • Editor's Pick
  • First Review
  • 5-Star Galaxy Level 5
  • First Submission
  • Thankful Level 2
  • Guiding Light
  • Knowledgeable Level 4

View badges

Content Feed

Answered
R2021b: The Run Section tool in the Editor has been removed
It's still there

1 dag ago | 0

| accepted

Answered
is it possible to know if an alert dialog box has opened in app designer app?(testing purposes)
Check out function ishandle

4 dagen 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 dagen ago | 1 answer | 1

1

answer

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...

18 dagen ago | 1

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

20 dagen ago | 0

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

ongeveer een maand 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);

ongeveer een maand 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 ...

ongeveer een maand 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...

ongeveer een maand 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,...

ongeveer 2 maanden 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)

ongeveer 2 maanden 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

ongeveer 2 maanden 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...

ongeveer 2 maanden 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...

2 maanden ago | 1

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

2 maanden ago | 1

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

2 maanden 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.

2 maanden 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

2 maanden 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...

2 maanden 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 maanden ago | 0 answers | 2

0

answers

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

3 maanden 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...

3 maanden 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...

3 maanden 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.

3 maanden 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 maanden 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 maanden ago | 0

Submitted


FFT-based convolution
Discrete convolution using FFT method

4 maanden ago | 12 downloads |

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...

4 maanden 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')

4 maanden 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...

4 maanden ago | 0

Load more