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Re: How to find the roots of non linear equations


On Sunday, March 3, 2013 9:57:36 PM UTC-6, Norman Polozka wrote:
> f1=a*Sin[x]/l0 + b*Sin[x]/l1 
> 
> f2= y*Cos[x]/l0+ y*Cos[x]/l1 - (1/e^y)
> 
> Solve[f1==0,f2==0,{x,y}]

You left out {}
Solve[{f1 == 0, f2 == 0}, {x, y}] gives solutions.
Craig Loehle
www.loehleenterprises.com



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