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0answers
178 views

Methods to solve a system of differential equations which aren't depend on a time parameter

I have a mathematical model of a Continuous stirred-tank reactor which I want to apply to a salt leaching process. After consulting with teacher and digging some literature I end up with a system of ...
-1
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1answer
487 views

NDSolve simple matrix problem in mathematica

I have a problem with command NDSolve in mathematica. If we have simple second order differential equation, it is easy to write code in mathematica. But if we have matrix problem (for example 4 ...
0
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1answer
919 views

How to make simple iteration in Mathematica

How to make simple iteration in Mathematica for this three equations and save $q$ for each step. If we define $q'=dq/dx$, $q''=dq'/dx$ we have two equations (1) ...
1
vote
0answers
277 views

How to make iteration for Newmark method in Mathematica 8

How to make iteration method for solving differential equations by Newmark method? There are just three equations which describe the Newmark method. I need q for time step for example 0.01. Also, for ...