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Re: using Part command

  • To: mathgroup at smc.vnet.net
  • Subject: [mg15448] Re: using Part command
  • From: "Allan Hayes" <hay at haystack.demon.co.uk>
  • Date: Mon, 18 Jan 1999 04:21:49 -0500
  • References: <77jikr$2ft@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

cozum[[1,1]] ( special form for Part[cozum, 1,1] does what you want.

Allan

---------------------
Allan Hayes
Mathematica Training and Consulting
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
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tolg at mailexcite.com wrote in message <77jikr$2ft at smc.vnet.net>...
>Dear friend,
>
>    I have a problem about using Part command of Mathematica: I have the
>following output named as cozum (cozum=this output) {{u[t] -> 1.
>Power[2.718281828459045235360287471352662497757247093699\
>
>      95957497, 1.732050807568877293527446341505872366942805253810380\
>
>       62806 t] C[1], v[t] ->
>
>   (-0.57735026918962576450914878050195745564760175127012687602 /
>
>        Power[2.71828182845904523536028747135266249775724709369995957\
>
>          497, 1.7320508075688772935274463415058723669428052538103806\
>
>           2806 t] + 0.5773502691896257645091487805019574556476017512\
>
>         70126876019 Power[2.7182818284590452353602874713526624977572\
>
>          4709369995957497,
>
>         1.73205080756887729352744634150587236694280525381038062806 t]
>
>       ) C[1] + (1. C[2]) /
>
>     Power[2.718281828459045235360287471352662497757247093699959574\
>
>       97, 1.73205080756887729352744634150587236694280525381038062806
>
>       t]}}
>
>How should I use the Part command to get only this following part of
>this expression:
>u[t] -> 1. Power[2.718281828459045235360287471352662497757247093699\
>
>      95957497, 1.732050807568877293527446341505872366942805253810380\
>
>       62806 t] C[1]
>
>Thanks in advance...
>
>
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>



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