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Question
suprisingly complicated optimization problem
I have the following constrained (global) optimization problem: For a user defined sorted real values vector: xi = [xi(1), .....
ongeveer een maand ago | 4 answers | 1
4
answersQuestion
looking for strictly recurrent and fast moving median implementation
I am looking for any suitable trick how to effectively compute moving window (length w) median. I know of course the movmedian f...
4 maanden ago | 2 answers | 0
2
answersQuestion
Latest version of MATLABConnector Linux problem
The MATLAB connector version 2025.2.2.1 (latest version ... upgraded just now) produce the following Warning message during star...
8 maanden ago | 1 answer | 1
1
answerQuestion
6x6 system of multivariate quadratic equations ... non-negative real solutions
What is the best way (what solver?) to effectively find real non-negative solutions of 6 multivariate quadratic equations (6 var...
12 maanden ago | 3 answers | 0
3
answersQuestion
1-D Bilateral Kernel Filter ... with better than O(N^2) complexity?
I am just testing Bilateral kernel filter for smoothing of 1-D signals. The basic idea of this filtering method i...
ongeveer een jaar ago | 1 answer | 1
1
answerQuestion
Converting symbolic ODE solution to function ... Warnings
I am trying to find symbolic solution of specific non-linear ODE and then convert it to the matlab function via flowing code: s...
ongeveer een jaar ago | 1 answer | 0
1
answerQuestion
matlab-support linux package
Suprisingly lot of MATLAB users on Linux using and activelly recommanding the matlab-support linux package. Home page: https:/...
ongeveer een jaar ago | 1 answer | 0
1
answerQuestion
moving median with variable window
Is there any way how to effectively generalize movmedian function to work with variable window length or local variable k-point ...
ongeveer een jaar ago | 3 answers | 1
3
answersQuestion
fast evaluation of x(k+1) = x(k)*e(k)
Is there any special trick how to evaluate fast this recurrent formula: x(1) = x0 x(k+1) = x(k)*e(k), k= 1,2, ...N-1 where N...
bijna 2 jaar ago | 1 answer | 0
1
answerQuestion
extremely inefficient piece of code ... bug?
I have two codes that implement exactly the same task: idx(idx<=0) = 1; idx(idx>=n) = n-1; and if idx <= 0 ...
ongeveer 2 jaar ago | 1 answer | 0
1
answerlinear 1st order ODEs sytem with time-dependent coefficients solver
This problem is now (starting from R2023a) fully covered by LTV models implemented at Control System Toolbox. These LTV models a...
meer dan 2 jaar ago | 0
| accepted
linear 1st order ODEs sytem with time-dependent coefficients solver
There are two available toolboxes for time-dependent linear 1st order ODEs: LTVtools: https://www.mathworks.com/matlabcentral...
meer dan 2 jaar ago | 0
Question
linear 1st order ODEs sytem with time-dependent coefficients solver
I need to solve many times the following ODEs system: F'(t) = A(t)*F(t) + B(t)*U(t) F(0) = F0 where matrices A(t), B(t) and v...
meer dan 2 jaar ago | 2 answers | 0
2
answersQuestion
simplify is not realible
How to simplify the folowing very simple expression: syms a b c e1 = -(b*(b^2 - 4*a*c)^(1/2) - 4*a*c + b^2)/(2*a*(b^2 - 4*a*c)...
meer dan 2 jaar ago | 0 answers | 0
0
answersQuestion
Merging piecewise polynomial (pp) structures
Is there any method how to merge two or more "pp" (peicewise polynomial) structures in a case of consecutive "pp" structures wi...
meer dan 2 jaar ago | 3 answers | 0
3
answersQuestion
MATLABConnector startup on Linux
Last two versios of MATLABConnector for Linux automatically put the app to the startup list, but in Preferereces settings is not...
meer dan 2 jaar ago | 1 answer | 0
1
answerWarning: X does not support locale en_US.UTF-8
Official TMW statement: "This is a warning message that can be disregarded and it has no impact on the functionality of MATLAB....
meer dan 2 jaar ago | 5
| accepted
Question
Warning: X does not support locale en_US.UTF-8
After application of R2022b_upd5 on linux mint (21.1 Cinammon) I always get the following warning at the startup: Warning: X doe...
meer dan 2 jaar ago | 4 answers | 3
4
answersQuestion
Volterra integral equation solver
I am looking for good (fast and accurate, with recent state of art methods) numerical (not symbolic) Volterra Integral Equation ...
meer dan 2 jaar ago | 0 answers | 0
0
answersQuestion
strange performance behavior - microbenchmark
There are two implementations of the same algorithm: function B = alg1( B, R, alpha ) % Fast computation of L1 distance transf...
bijna 3 jaar ago | 1 answer | 0
1
answerHow do I speed up lsim computation in a for loop?
Better than naive using of parfor loop is transform to your final simulation model to the sparse form ... see here Transform m...
bijna 3 jaar ago | 0
Why does MATLAB crash on Linux with "Inconsistency detected by ld.so: ../elf/dl-tls.c: 597: _dl_allocate_tls_init:"
I have similar problem with MATLAB coder on R2022b (Ubuntu Linux 20.04.3) >> coder >> Inconsistency detected by ld.so: ../elf/...
ongeveer 3 jaar ago | 9
Question
INTEL oneAPI support for linux MATLAB
TMW officially does not support INTEL oneAPI compilers (C/C++ and Fortran), but only GCC and GFORTRAN on Linux platform. See her...
ongeveer 3 jaar ago | 1 answer | 0
1
answerI have received "deactivation required"
There is an official TMW statement ...
ongeveer 3 jaar ago | 2
Question
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...
ongeveer 3 jaar ago | 1 answer | 0
1
answerUse Java 11 jar files in Matlab
You can use following java compiler (javac) option: --release <release> Compile for a specific VM version. Supported targets: ...
ongeveer 3 jaar ago | 0
| accepted
Question
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...
ongeveer 3 jaar ago | 2 answers | 0
2
answersQuestion
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...
ongeveer 3 jaar ago | 1 answer | 1
1
answersymbolic integration depends on different equivalent forms of function
Simple <https://www.mathworks.com/matlabcentral/answers/507683-why-does-x-x-y-dy-give-a-x-3-component#answer_418071 solution> to...
meer dan 3 jaar ago | 0
Question
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...
meer dan 3 jaar ago | 2 answers | 0
