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MathGroup Archive 1992

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Re: Limits in integration

  • To: mathgroup at yoda.physics.unc.edu
  • Subject: Re: Limits in integration
  • From: Jim Kinnison <jdk at aplcomm.jhuapl.edu>
  • Date: Tue, 25 Feb 92 08:03:52 -0500

Hi:

Dave Kirby writes

>> Does anyone know how  I can  perform  many integrations over the same
>> limits, without having to type in the limits again and again. I tried to
>> substitute the limits for a text string s, but as can be seen below, it
>> doesn't  work.

Try just defining two variables, say s1 and s2, and using those in Integrate.
You don't get the simple expression you were trying for, but something near
it, 

In[1]:= s1={x, 0, a}; s2={y, 0, b}

...

In[2]:= Integrate[ x y, s1, s2]

...

Jim Kinnison
The Johns Hopkins Unviersity
Applied Physics Lab

jdk at aplcomm.jhuapl.edu






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