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Felix Lauwaert


Universitat de Girona

自 2015 起处于活动状态

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How can I return the values of a loop
You are computing k once for each value of i and overwriting it. If I understand what you want, try: i = 1:5; j = 0:5; k...

8 years 前 | 0

| 已接受

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Create an array of n function handle
Hello, How can I create a set of ode equations? Example: fun1 = @(t,x,k) x-k; I want to generate a function of n e...

8 years 前 | 1 个回答 | 0

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Struggling at 'Events' of ODE45
Hello, I have a ODE and need to compute the "exact" time and values of y at y(2)=0 and I'm using ode45 and 'Events'. When ...

9 years 前 | 1 个回答 | 0

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Struggling at events of ode function
Hello, I'm trying to use events function to find the coordinates of a ODE function of n variables. What I want is to find the...

9 years 前 | 0 个回答 | 0

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已回答
Can You Explain This Weird Behavior
I'm not an expert, but try to never use known MATLAB functions. To check if a name is already used, go to command whindow and ty...

9 years 前 | 1

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How to automatically choose to compute for or parfor loops
Hi, I wonder if there's a way to specify if I want to compute with a normal for or with a parfor. What I don't want is to...

9 years 前 | 1 个回答 | 3

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How to vectorize this simple for-loop
Hello, I'm trying to vectorize something like this: z=zeros(3); x=[1 2 3]; y=x; for i=1:length(x) %or y, d...

9 years 前 | 1 个回答 | 0

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How to group data in cells?
Hello, My code works on a data file. By loading the file, I have a 5xn matrix (n is approximately BIG). Each column represent...

9 years 前 | 0 个回答 | 0

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Problem scattering high amount of data
Hello, I'm trying to scatter more than 80Mb of data in one scatter figure and I see nothing but blue. I'm trying to get small...

9 years 前 | 1 个回答 | 0

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Which plot do I need?
Hello, I'm trying to plot in 2D some points and I want to color them depending on a logic (1 or 0) classification. I'll ex...

9 years 前 | 3 个回答 | 0

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How to automatically stop a function execution if it's not running right?
Hi, I have a problem with running my code. I'm numerically solving a Poincaré map of a dynamical system several times with di...

9 years 前 | 0 个回答 | 0

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How can I get a derivated function df/dt?
Hello, I'm trying to calculate derivate functions like z(t)=cos(x(t))+y(t)^2 and I expect answers like z'(t)=-x'(t)*sin(x(t))...

9 years 前 | 1 个回答 | 0

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Struggling with ode45 MATLAB function
Hello everybody, I'm trying to introduce my function into ode45 to solve it but it messages me "Not enough input arguments". ...

9 years 前 | 1 个回答 | 0

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How to speed up my while loops
Hello, I have been looking for ways to speed up my code because sometimes I spend some hours at running once MATLAB. I've rea...

9 years 前 | 1 个回答 | 0

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How can I speed up importing large .d files?
Hi, soon I'll have large files, about 50000x6 (more than one of them) and I'll have to work on them several times to plot di...

9 years 前 | 2 个回答 | 0

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已回答
Why do I get different outputs at different run's?
Thanks to everybody for your comments. I see global variables are a mess. I finally solved the problem this way: fun goes from ...

9 years 前 | 0

| 已接受

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Why do I get different outputs at different run's?
Hi, there's something very odd happening with my code. I'm doing three times the same calculations for three different input va...

9 years 前 | 1 个回答 | 0

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Am I overwriting data?
Hi, I need to get three different orbits and I think I might be overwriting data because when I plot them together I just get...

9 years 前 | 1 个回答 | 0

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How to plot different length vectors
Hi, I need to plot different orbits in one figure. The coordinate vectors are result of a Runge-Kutta 7-8 so I can't kno...

9 years 前 | 1 个回答 | 0

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