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suprisingly complicated optimization problem
I have the following constrained (global) optimization problem: For a user defined sorted real values vector: xi = [xi(1), .....
etwa ein Monat vor | 4 Antworten | 1
4
AntwortenFrage
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 Monate vor | 2 Antworten | 0
2
AntwortenFrage
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 Monate vor | 1 Antwort | 1
1
AntwortFrage
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...
etwa ein Jahr vor | 3 Antworten | 0
3
AntwortenFrage
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...
etwa ein Jahr vor | 1 Antwort | 1
1
AntwortFrage
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...
etwa ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
matlab-support linux package
Suprisingly lot of MATLAB users on Linux using and activelly recommanding the matlab-support linux package. Home page: https:/...
etwa ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
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 ...
etwa ein Jahr vor | 3 Antworten | 1
3
AntwortenFrage
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...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 ...
etwa 2 Jahre vor | 1 Antwort | 0
1
Antwortlinear 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...
mehr als 2 Jahre vor | 0
| akzeptiert
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...
mehr als 2 Jahre vor | 0
Frage
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...
mehr als 2 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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)...
mehr als 2 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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...
mehr als 2 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
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...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortWarning: 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....
mehr als 2 Jahre vor | 5
| akzeptiert
Frage
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...
mehr als 2 Jahre vor | 4 Antworten | 3
4
AntwortenFrage
Volterra integral equation solver
I am looking for good (fast and accurate, with recent state of art methods) numerical (not symbolic) Volterra Integral Equation ...
fast 3 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
strange performance behavior - microbenchmark
There are two implementations of the same algorithm: function B = alg1( B, R, alpha ) % Fast computation of L1 distance transf...
fast 3 Jahre vor | 1 Antwort | 0
1
AntwortHow 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...
fast 3 Jahre vor | 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/...
etwa 3 Jahre vor | 9
Frage
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...
etwa 3 Jahre vor | 1 Antwort | 0
1
AntwortI have received "deactivation required"
There is an official TMW statement ...
etwa 3 Jahre vor | 2
Frage
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...
etwa 3 Jahre vor | 1 Antwort | 0
1
AntwortUse Java 11 jar files in Matlab
You can use following java compiler (javac) option: --release <release> Compile for a specific VM version. Supported targets: ...
etwa 3 Jahre vor | 0
| akzeptiert
Frage
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...
etwa 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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...
etwa 3 Jahre vor | 1 Antwort | 1
1
Antwortsymbolic 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...
mehr als 3 Jahre vor | 0
Frage
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...
mehr als 3 Jahre vor | 2 Antworten | 0
