how to define a piecewise function

• Subject: how to define a piecewise function
• From: Glenn Ramsey
• Date: Sun, 20 Nov 2005 16:47:41 +1300

How do I define a piecewise function that can be manipulated by maxima?

The following doesn't work.

(%i1) fn(x):=1.39e5*x^3 + 230*x^2 - 522*x + 28$
(%i2) tn(x):=block(u:0.04625278034765223, if(x 07 8627077
http://www.componic.co.nz

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