Xuan Ling Zhang

Last seen: plus de 3 ans il y a | Actif depuis 2019

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Question

if some eigenvalues of the coefficient matrix in a linear differential system are zero，how to solve it numerically？
Hi, I have a problem that some eigenvalues of the coefficient matrix in a linear differential system are zero，but i don't how to...

plus de 4 ans il y a | 1 réponse | 0

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Question

A problem that the Ode45 solver did not finish the computations
Hi, i have a problem when use the Ode45 slover. Hope someone can help me, thank you in advance！！！ The problem will be described ...

plus de 4 ans il y a | 1 réponse | 0

réponse

Question

How to obtain the Jacobian matrix from the finite difference method as far as possible，when the shooting method is used？
Hi, I have a problem when i use the shooting method. That is the Jacobian matrix calculated approximately from the finite differ...

plus de 4 ans il y a | 1 réponse | 0

réponse

Question

Ode45 solves an equation that containing a definite integral term
Hi, i have a problem on the following equation when solved by Ode45, which contains a definite integral term. I dont know how t...

plus de 4 ans il y a | 2 réponses | 0

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