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MathGroup Archive 2006

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Re: Trigonometric solve

  • To: mathgroup at smc.vnet.net
  • Subject: [mg71052] Re: Trigonometric solve
  • From: dh <dh at metrohm.ch>
  • Date: Wed, 8 Nov 2006 05:59:55 -0500 (EST)
  • References: <eihlo1$opv$1@smc.vnet.net>


Hi UNo,

maybe it will work if you use Mathematica notation:

gama=Range[ ......]

KI[teta_,gama_]:=...

AA=D[KI[teta,gamma],teta]

Solve[AA,teta]

Daniel



Ovunc wrote:

> Dear all,

> I have a fairly simple question that i was not able to figure out on

> mathematica.

> 

> I have function KI with two variables gama and teta. Gama varies over a

> predefined range for which the values are input.

> 

> Then I take the derivative of KI with respect to teta "AA" as gama

> varies. So I obtain a list of expressions for AA {...,.....,....} as

> gama varies in the range.

> 

> Last thing I do is try to solve each element AA with respect to teta. I

> thought this would give me a list of teta solutions {.,..}.

> 

> But i have an empty set. On the other hand when i define gama as a

> single variable not over a range. Solution is found for teta.

> 

> How do I input each element of AA into the solver? (i.e. see below for

> the simplified code)

> 

> gama=Range[ ......]

> KI(teta,gama)

> AA=Diff(KI,teta)

> solve(AA,teta)

> 

> Best,

> Uno.

> 



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