Radu Trimbitas
"Babes-Bolyai" University
Followers: 0 Following: 0
Assoc. Professor Professional Interests: Numerical Analysis, Statistics
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12 Questions
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Accept 2 answers given by other contributors
Awarded to Radu Trimbitas on 15 Feb 2022
Solve a community group
Awarded to Radu Trimbitas on 20 Jan 2022
Solve all the problems in Introduction to MATLAB problem group
Awarded to Radu Trimbitas on 20 Jan 2022
Answer 1 question that was unanswered for more than 30 days
Awarded to Radu Trimbitas on 20 Jan 2022
1 of your answers has been accepted
Awarded to Radu Trimbitas on 25 Apr 2020
Solve a problem for the first time
Awarded to Radu Trimbitas on 31 Mar 2020
Publish your first review
Awarded to Radu Trimbitas on 09 Oct 2019
Accept 1 answer given by other contributors
Awarded to Radu Trimbitas on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Radu Trimbitas on 20 Jul 2017
Feeds
Question
troubles with ginput function
I have troubles with ginput under Windows 11. A lot of MATLAB code which works well under Windows 10 does not function correctly...
meer dan een jaar ago | 0 answers | 0
0
answersQuestion
Troubles with ginput() function
I have troubles with ginput under Windows 11. A lot of MATLAB code which works well under Windows 10 does not function correctly...
meer dan een jaar ago | 1 answer | 0
1
answerfinding multiple roots using newton raphson
The standard solution, if you know the multiplicities in advance is to use the reccurence relation where is the multiplicit...
ongeveer 2 jaar ago | 1
solve eq by newton raphson method
Solve the equation with Newton-Raphson method. Define function and derivative format long f=@(x) 3*x+sin(x)-exp(x); df=@(x)...
meer dan 2 jaar ago | 0
What is Jacobi method
See the following source: function [x,ni]=Jacobi(A,b,x0,err,nitmax) %JACOBI Jacobi method %call [x,ni]=Jacobi(A,b,x0,err,ni...
meer dan 2 jaar ago | 0
Question
How can I define a symbolic function with vector arguments?
I wish to define a symbolic function with a vector argument, e.g. f(x) = x(1)^2+x(2)^3+x(1)*sin(x(3)) How can I do this withou...
meer dan 2 jaar ago | 2 answers | 0
2
answersQuestion
History.xml strange behavior
When MATlab detect an error, after the error message MATLAB display [1,2,3]*[2,1]' Error using * Incorrect dimensions for...
ongeveer 4 jaar ago | 1 answer | 1
1
answerUnable to convert expression into double array.
It is not clear what do you want. Your expressions are entirely symbolic. If you want to give later values to x,y,z, phi, etc tr...
ongeveer 4 jaar ago | 1
| accepted
solving coupled differential system
Dear Saman, If set x=u(1), x'=u(2), y=u(3), y'=u(4) and M=[1,0,0,0; 0, m1,0,m2; 0,0,1,0; 0, m2,0,A], then the system becomes...
ongeveer 4 jaar ago | 0
Question
functions of funtions symbolic
How could I define a functional (a function of functions), e.g in MATLAB Symbolic Math Toolbox. The function is an input par...
meer dan 4 jaar ago | 1 answer | 0
1
answerQuestion
Conversion from MuPAD to MATLAB
Can anybody help me to convert the following MuPAD functions to MATLAB Symbolic Math? //Peano Th and kernel //pp - truncated...
meer dan 4 jaar ago | 1 answer | 0
1
answerQuestion
Function of function in Symbolic Math Toolbox
How could I define a functional in Symbolic Math Toolbox , eg . I wish a generic definition that allows to choose several functi...
meer dan 4 jaar ago | 0 answers | 0
0
answersQuestion
normalizing a symbolic expression?
Is there any corresponden in Symbolic Math Toolbox for Maple or Mupad function normal ? (normalizing a rational expression, wri...
meer dan 4 jaar ago | 1 answer | 0
1
answerQuestion
Customize export from live editor to LaTeX
How can I customize the export from MATLAB Live Editor to LaTeX? Is there a solution different from modification of matlab.sty f...
meer dan 4 jaar ago | 1 answer | 3
1
answerQuestion
fplot add an undesired line
When I use fplot with LineWidth a dashed thick gray line appears on the right edge o the box. Example h=fplot(@(u) u.*exp(u),[-...
meer dan 4 jaar ago | 1 answer | 0
1
answerQuestion
Using previous analysis result in PDE Toolbox
I have a system of two elliptic PDEs which must be solved for several values of some parameters. I order assure convergence, I t...
meer dan 5 jaar ago | 0 answers | 0
0
answersHow can I solve an equation using fixed point method?
If you wish to solve x=2^(-x) use successive approximation method. Provide a function, a starting value and a tolerance. funct...
ongeveer 8 jaar ago | 0
How to create 3D grid from data without interpolation?
interp2() has options for cubic or spline
ongeveer 8 jaar ago | 0
simple inequality check fails - why?
Your code works works correctly in MATLAB 2014a.
bijna 10 jaar ago | 0
Question
Mupad export to LaTeX
How can I export Mupad notebooks to LaTeX?
meer dan 13 jaar ago | 2 answers | 1
2
answers
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