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math [message #73694]

Sun, 21 November 2010 12:58

amin farhang
Messages: 39
Registered: November 2010

Member

dear readers,
i have some questions about IDL
1. how can i solve differential equations in IDL? i know that the RK4
function do it but it is very obscure, may you introduce a simple
method to solve all differential equations?
2. what is the simplest way for taking the integrals directly
(specially 1D integrals) without write a function?
3. How do I define a function that its parameters could be changed in
every calling (for example in every step of FOR-DO loop, function
return a new value)?
4. does functions could return a paramedical equations? if OK how?
thank you so much and sorry for my many questions
best regards,

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