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Problem In "solve" Function?

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#1 Griott



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Posted 22 May 2004 - 01:17 AM

Hi all,

I was trying to solve a problem but I found a difficulty, which I summarize in an example:

Good behaviour:
define f2(x,y)=4x+2y+1
solve(f2(x,y)=0, x)
Bad Behaviour?
define f1(t)=4x(t)+2y(t)+1
	gives a bad argument error
Shouldn't it result in sth like:

Thank you.

#2 Daruosh


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Posted 23 May 2004 - 08:20 PM

I think SOLVE function can solve an equation with exact variable (like x) not for a function. you can use

You should first define x(t), then f(t) and use Solve(Expane(f(t))=0, t)

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