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Re: Symbolic Math: Combining Equations
Posted:
Dec 14, 2012 5:05 PM


W dniu 20121214 21:53, cypher pisze: > How do I combine equations symbolically? For example: > > f1 = sym('ax +b')
> f2 = sym('cx+d') > f3 = f1*f2 > I'm looking for an output like f3 = 'acx^2+bcx+adx+bc'
f4 = expand(f3) f5 = collect(f3,'x')
Maybe you should read "simplifications and substitutions", there is more functions provided to manipulate symbolic expression.
> I am working on an extremely large set of equations and unfortunately > they don't fit on paper. > Thanks for the help!
Hmm, your boss won't buy you mathematica? ;)
If equations are only polynomial, check: polyval, conv, polyfit, roots...
bartekltg



