using Part command

• To: mathgroup at smc.vnet.net
• Subject: [mg15403] using Part command
• From: tolg at mailexcite.com
• Date: Wed, 13 Jan 1999 20:57:18 -0500
• Organization: Deja News - The Leader in Internet Discussion
• Sender: owner-wri-mathgroup at wolfram.com

```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]