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Homework questions are welcome, as long as they are asked honestly, explain the problem, and show sufficient effort. Please do not use this as the only tag for a question. Please do not add this tag to questions by other people unless they explicitly say that their question is part of their homework.

4 votes
2 answers
568 views

Euler-method implementation

How can I implement this pseudocode in Mathematica? Algorithm: (* input: f, x0, xmax, y0, n *) h = (xmax-x0)/n; u[1] = x0; v[1] = y0; For i = 2,n+1: u[i] = u[i-1] + h; v[i] = v[i-1] + h * f( …
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1 vote
1 answer
243 views

Lotka-Volterra in mathematica

I have to solve the next problem: We know that a=b=c=d=1 and x0=2,y0=3,q=0.2,On the t=[0,20] interval there is no fishing but on the t=[20,40] interval there is.Show the adequate trajectory(the first …
Birgitt's user avatar
  • 267