|Nov26-11, 02:40 PM||#1|
While loops in Mathematica
I am trying to do some Newton's method-type stuff in Mathematica.
I want to build a While loop that does the following:
- Take input r.
- Compute some quantity f(r).
- Update the value of r to f(r).
- Repeat until |g(r)| < C for some fixed constant C.
The third (boldfaced) step is the one I'm having trouble with. I don't know how to do this. Can someone help?
|Nov26-11, 08:10 PM||#2|
Something like this?
r=Input["What's r?"];(*Enter something between -1 and 1 *)
If that doesn't give you enough then we need to see what you have already done
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