Community Profile # Bruno Luong

Last seen: Today Active since 2009

#### Statistics

All
• • • • • • • • • • • • #### Content Feed

View by

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...

8 dagen ago | 1

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

10 dagen ago | 0

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

23 dagen 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);

25 dagen 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 ...

27 dagen 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...

ongeveer een maand 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,...

ongeveer een maand 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)

ongeveer 2 maanden 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

ongeveer 2 maanden 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...

ongeveer 2 maanden 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...

ongeveer 2 maanden ago | 1

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

ongeveer 2 maanden ago | 1

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

ongeveer 2 maanden ago | 0

| accepted

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.

ongeveer 2 maanden 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

ongeveer 2 maanden 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...

ongeveer 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

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

2 maanden ago | 0

Return all ShortestPath explored nodes

2 maanden 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...

2 maanden 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.

2 maanden 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 maanden 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 maanden ago | 0

Submitted

FFT-based convolution
Discrete convolution using FFT method

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 maanden 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')

3 maanden ago | 1

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 maanden ago | 0

Submitted

find_idx
Fractional binning