Erik Engbrecht

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15 years, 28 days

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These are replies submitted by Erik Engbrecht

It plots essentially instantly when using Sum instead of sum.  Thanks!

It plots essentially instantly when using Sum instead of sum.  Thanks!

@pagan Here's the offending code.

p1 := 15+sum((15.91549430/n+22.28169203*(-1.)^n/n)*exp(-0.2121964947e-1*n^2*t)*sin(.7853981635*n), n = 1 .. infinity);
p2 := 30+sum((15.91549430/n+22.28169203*(-1.)^n/n)*exp(-0.2121964947e-1*n^2*t)*sin(1.570796327*n), n = 1 .. infinity);
p3 := 45+sum((15.91549430/n+22.28169203*(-1.)^n/n)*exp(-0.2121964947e-1*n^2*t)*sin(2.356194490*n), n = 1 .. infinity);
plot([p1, p2, p3], t=0..200,u=0..50, legend=[x=5, x=10, x=15]);

 

Thanks!  That works.

Thanks!  That works.

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