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Re: Query regarding Function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg130132] Re: Query regarding Function
  • From: Richard Fateman <fateman at cs.berkeley.edu>
  • Date: Wed, 13 Mar 2013 04:19:28 -0400 (EDT)
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On 3/11/2013 9:34 PM, Rahul Chakraborty wrote:
> Dear all,
>
> Case1:  In the following code
>
>    Clear[f,x,y]
> g=Function[{x,y},x^2+2xy][b,a]
>
>   The output is found to be  b^2+2 xy
>
> Case2:  But for the code
>
>   Clear[f,x,y]
> g=Function[{x,y},x^2+2y][b,a]
>
>   The output is 2 a+b^2
>
>   Hence my query is why in case 1 x*y is not replaced by b and a whereas in case 2 it got replaced ?
>
> Regards,
>   rc
>

try using x^2+2*x*y

xy is not the same as x*y



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