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Student Support Forum: 'plotting fucntion and have machine-size' topicStudent Support Forum > General > Archives > "plotting fucntion and have machine-size"

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Wilfred Wong
02/21/05 08:45am

When I input Plot[(-0.2214 + 1.9376I - BesselJ[0, -(2.1213x + 2.1213xI)])/(-0.2214 + 1.9376I),{x,0,1}]

I don't get a graph because it is ''not a machine-size real number at x="4.166666666666666`*^-8."'' and at ''0.040567.

What am I doing wrong.This is my first day using Mathematica. Wilfred

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