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These are questions asked by JSalisbury


I'm trying to plot a 3 dimensional vector equation of motion in Maple for my dissertation. The equation is as follows:

vec(vr) = (vb)*i + (vg*cos(Omega*t))*j + (vg*sin(Omega*t))*k

where Omega is the gyrofrequency, vb is the velocity parallel with the i direction, and vg is the perpendicular velocity of gyration. vg and vb are both in terms of the velocity of incidence and two angles, which are all just numerical values that I've introduced.

It should look like a helix spiralling around the i axis, but I'm fairly new to Maple and I've tried everything I can think of and I can't get it to work.

When I use plot3d it turns out looking like a sphere or a cylinder. When I use spacecurve, it doesn't work at all and I get the error message " Warning, unable to evaluate the function to numeric values in the region; see the plotting command's help page to ensure the calling sequence is correct.".


Any help is greatly appreciated.

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