Community Profile

# Bruno Luong

Last seen: Today 2009 以来アクティブ

All

バッジを表示

#### Content Feed

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...

10日 前 | 1

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

12日 前 | 0

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

25日 前 | 0

| 採用済み

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);

27日 前 | 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 ...

29日 前 | 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...

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,...

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)

| 採用済み

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

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...

| 採用済み

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...

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

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

| 採用済み

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.

| 採用済み

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

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ヶ月 前 | 0

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ヶ月 前 | 0 件の回答 | 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ヶ月 前 | 0

Return all ShortestPath explored nodes

3ヶ月 前 | 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ヶ月 前 | 2

| 採用済み

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

3ヶ月 前 | 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ヶ月 前 | 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ヶ月 前 | 0

FFT-based convolution
Discrete convolution using FFT method

3ヶ月 前 | ダウンロード 17 件 |

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ヶ月 前 | 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ヶ月 前 | 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ヶ月 前 | 0

find_idx
Fractional binning

3ヶ月 前 | ダウンロード 4 件 |

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ヶ月 前 | 0

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ヶ月 前 | 1