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MathGroup Archive 1999

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Piecewise integration of f[x,y]

  • To: mathgroup at smc.vnet.net
  • Subject: [mg15773] Piecewise integration of f[x,y]
  • From: sergio at scisun.sci.ccny.cuny.edu
  • Date: Sun, 7 Feb 1999 02:03:52 -0500 (EST)
  • Organization: Deja News - The Leader in Internet Discussion
  • Sender: owner-wri-mathgroup at wolfram.com

(*
   Hello everyone:

   Could somebody point out how to integrate a piecewise
   function like:
*)

f[x_, y_] := Which[x >= 0. && x <= 2. && y >= 0. && y <= 1.,
   -0.5*(-2. + x)*(0. + y), True, 0];

(*
                How to do:
*)
        x1=-3; x2=3; y1=0.2; y2=4;
    Integrate[f[x,y],{x,x1,x2},{y,y1,y2}];

(*
   Sergio
   E-mail: sergio at scisun.sci.ccny.cuny.edu *)

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