introducing functions by intervals

Question:introducing functions by intervals

Posted: Jean Jacques 148 Product: Maple

March 01 2009

Dear Maple users,

How may I enter in MAPLE the function

f(x,y) = x*y /(x^2+y^2) IF (x,y) different from (0,0), and

f(x,y) = 0 IF (x,y) =(0,0) ?

Thanks in advance for any help.

Jean-Jacques

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