How can i reduce computational time for a RK4 programing for a system of 7 ODE with 7 variables (plus time) ?

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How do I extract statistics from ResearchGate as against list of 25000 articles having DOI?

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What is the solvent system required to run tlc for calixarenes?

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Mohamed-Mourad Lafifi

Dear Samir,

First i suggest you to see attached file in subject, arlternativly you take a look at answers for similar question posed trough ResearchGate here is the link :

Faster and better than Runge-Kutta 4th order, ODE solver?

https://www.researchgate.net/.../Faster_and_better_than_Runge-Ku...

Brst regards

Samir Meramo-Hurtado

Definetly, the problem was related to the h value, i reduce the variable tfinal and step size h, and it fixed.