Community Profile # Michal

Last seen: Today 2015 以来アクティブ

Programming Languages:
MATLAB, Fortran
Spoken Languages:
English

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I have received "deactivation required"
There is an official TMW statement ...

5日 前 | 1

Free-knot spline approximation (BSFK) problem
@BrunoLuong My data acquisition system produce periodically 1-D measured noised data with the fixed time window length W. I wa...

12日 前 | 1 件の回答 | 0

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Use Java 11 jar files in Matlab
You can use following java compiler (javac) option: --release <release> Compile for a specific VM version. Supported targets: ...

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support of Java11
What are the plans to to use Java11 in future MATLAB releases? So far is still using Java 1.8, but Java 11 is now standard defau...

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decomposition used in parfor
In the following problem, where I need to solve many times same linear system "A" with different right sides "b" is very benefit...

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symbolic integration depends on different equivalent forms of function

3ヶ月 前 | 0

symbolic integration depends on different equivalent forms of function
I performed the following equaivalent symbolic integrations: syms x y A = int(x+y,x); A_ = expand(A); % just expanded...

3ヶ月 前 | 2 件の回答 | 0

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multi array vectorization problem (reformulated)
How to vectorize (for-loop elimination) the following code? % init A = [ -0.8013 -0.4981; -0.2278 -0.9009]; t = 0:0.01:...

5ヶ月 前 | 3 件の回答 | 0

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How to formulate linear control problem for Stochastic Differential Equation solvers
I have the following linear control problem: x'(t) = A*x(t) + B*u(t) y(t) = C*x(t) + D*u(t) where x(t0) = x0 ... initial co...

5ヶ月 前 | 0 件の回答 | 0

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Most effective way to solve nonhomogeneous linear ODE problem
What is the most effective way to solve following "small" linear 1st order ODEs problem: x'(t) = Ax(t) + Bu(t) x(t0) = x0 whe...

5ヶ月 前 | 2 件の回答 | 0

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Use Filter Constants to Hard Code Filter
Probably fully functional naive version of filter: function [Y, z] = myFilter(b, a, X, z) % a and b should have same order...

7ヶ月 前 | 0

Algorithm for homogenization of non-equidistant 1-D grid
I am looking for proper algorithm for so called "delta-homogenization" of 1-D non-equidistant grid. Definition: The sorted mono...

10ヶ月 前 | 0 件の回答 | 0

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Matlab is significantly slower than Julia on simple evaluation
More and more frequently some people open the question about speed comparison between Matlab and Julia. The main Julia developer...

11ヶ月 前 | 2 件の回答 | 2

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expm function problem for stiff matrix
For very specific matrix A: a = -1e20; b = eps; c = 1; A = [a,0,b;0,c,0;-b,0,a]; disp('A:'), disp(num2str(A)) A: ...

1年以上 前 | 2 件の回答 | 1

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histogram of signals gaps width
This is much more simple Matlab implementation but still not optimal (+ not vectorized): signals = [1.1 NaN NaN NaN -1.4 NaN 8...

1年以上 前 | 0

histogram of signals gaps width
I am looking for algorithm (effective + vectorized) how to find histogram of gaps (NaN) width in the following manner: signals ...

1年以上 前 | 2 件の回答 | 0

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how to install supported CUDA Toolkit 10.2 on Ubuntu 20.04 LTS Linux
After thorough discussion with Matlab support and several relevant forums (Ubuntu, NVIDIA, ...) the final result is as follows: ...

2年弱 前 | 0

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how to install supported CUDA Toolkit 10.2 on Ubuntu 20.04 LTS Linux
As you can see here, the CUDA Toolkit currently suported by R2020b is 10.2. But, as you can see here , the only supported versio...

2年弱 前 | 3 件の回答 | 1

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possible speed up of the ischange function by parfor
I completely understand, that any modifications of standard MATLAB functions are very dangerous, but I found the possibility how...

2年弱 前 | 0 件の回答 | 0

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simple bernoulli sampler function
I am trying to find replacement of binornd function by standard MATLAB code. Is the following command r = binornd(1,p,sz) exa...

2年弱 前 | 1 件の回答 | 0

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What frustrates you about MATLAB? #2
Do you really think, that these threads are read by MTW people??? I am not sure!!! TMW definitely choose the commercial way of ...

2018b gcc support on Ubuntu 18.04
May be this is possible solution for you: https://www.mathworks.com/matlabcentral/answers/407502-incompatible-gcc-version-with-m...

2年以上 前 | 0

Multi-precision linear programming
One of possible way (so far only known to me) how to solve directly and eficiently LP problems with full multi-precision support...

2年以上 前 | 0

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Multi-precision linear programming
I need to solve specific linear programming problem which is based on Mallows permutation probability distribution. This exponen...

2年以上 前 | 2 件の回答 | 0

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strange power .^ operator behaviour
Very interesting description of the integer power problem: http://szhorvat.net/pelican/fast-computation-of-powers.html

2年以上 前 | 0

strange power .^ operator behaviour
Take a look on this FEX. For vectors of length greater than >~100 elements it is more efficient to use multiple x.^2 than x....

2年以上 前 | 2 件の回答 | 0

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incremental training (large data set)
Is the following approach suitable for NN incremental learning in general? for bn = 1:num_batches inputs = <get batch ...

2年以上 前 | 1 件の回答 | 0

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matchpairs function input parameter costUnmatched
I propose the following costUnmatched input parameter estimation for given Cost matrix: costUnmatched = max(size(Cost)) * max(C...

2年以上 前 | 0

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matchpairs function input parameter costUnmatched
How to choose proper value of parameter costUnmatched (matchpairs function) to get requested number of matches. Especially in a...

2年以上 前 | 1 件の回答 | 0

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MATLAB Answer need better policy
Just one remark regarding current situation on MATLAB Answer portal: A lot of people (including highly trustworthy) aswers on m...

2年以上 前 | 1 件の回答 | 0