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Question
How to vectorize this for maximum efficiency?
In my calculation I had to go over non-zero elements of a 3 dimensional array (label). Instead of making 3 loops over each index...
environ 6 ans il y a | 1 réponse | 0
1
réponseQuestion
How to properly define input types for Matlab Coder?
I'm struggling to make a mex file work properly (see more here) so I decided to try and use Matlab Coder to do that hoping that ...
environ 6 ans il y a | 1 réponse | 1
1
réponseQuestion
How to fit data to a curve with known error bars and draw it?
Using built-in functions like fit(...) or nlinfit(...), how exactly do I fit data to a curve with known error bars? Let's say i...
environ 6 ans il y a | 1 réponse | 0
1
réponseQuestion
How to print figure to an .eps file properly?
I'm printing the same figures as .png and .eps files. The .png looks fine, but the .eps appear to have some issues: Somehow th...
environ 6 ans il y a | 2 réponses | 0
2
réponsesQuestion
How to properly convert variable names into a chain of strings in Matlab?
I'm using the save command to store useful data of certain variables a, b_123, cc42,.... I want to have the variable names conve...
environ 6 ans il y a | 3 réponses | 0
3
réponsesQuestion
Reducing run time of a numerical calculation using a mex file in Matlab
I wrote a Matlab code that involves doing a numeric calculation (relaxation), but it is quite slow. I learned of the possibility...
environ 6 ans il y a | 1 réponse | 0
1
réponseQuestion
Reducing run time of a numeric calculation using a mex file in Matlab
I wrote a Matlab code that involves doing a numeric calculation (relaxation), but it is quite slow. I learned of the possibility...
environ 6 ans il y a | 1 réponse | 0
0
réponseQuestion
Handling figures built for different parameters in Matlab
i couldn't find a simple answer to this thing im trying to do in Matlab. i'm gonna simplify this - say i have a function file th...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
How to solve a 1st order 1D PDE in Matlab?
i have a set of 5 equation that takes the form: du_i/dt=A_i(u)*(du_i/dx)+B_i(u) where u(x,t)=[u_1(x,t);u_2(x,t);u_3(x,t);u...
plus de 9 ans il y a | 1 réponse | 0
0
réponseQuestion
Can I use pdepe to solve my set of PDE's?
i need to solve a set of 5 PDEs for functions u(x,t). i looked up the function pdepe of matlab: http://www.mathworks.com/help...
plus de 9 ans il y a | 1 réponse | 0
0
réponseQuestion
Solving a set of PDEs
i need to solve a set of 5 PDEs for functions u(x,t). i looked up the function pdepe of matlab: http://www.mathworks.com/hel...
plus de 9 ans il y a | 1 réponse | 0
0
réponseQuestion
How to solve a set of ODE with discontinuities?
i've been stuck on this problem for a long time now, and i wasn't able to find a solution to this. the only solution i know o...
plus de 9 ans il y a | 1 réponse | 1
0
réponseQuestion
Strange error when trying to solve a set of ODEs
i ran into a strange error when trying to solve a set of odes. when my code was working fine, i tried changing one of my paramet...
presque 10 ans il y a | 2 réponses | 0
2
réponsesQuestion
ODE solver event function problems
say i have some function f(y) (where y is one of my function in the ode set that i am solving) and my event is f(y)=1. for the f...
presque 10 ans il y a | 1 réponse | 0
0
réponseQuestion
Problem solving a set of 5 non-linear ODE's
i have a problem when i try to solve a set of 5 odes. i tried using ode45 and the other ode's functions and it always gives me t...
presque 10 ans il y a | 1 réponse | 0
