My plot below shows the oscillatory displacement of particles vs time in a pipe. Each line coreponds to each particle. Particles are released in different position from the center of pipe along the radius. How can I show each line in this plot in a different color?(My goal is the line's color changes with the distance from the center of pipe(r)).
r=sqrt(Xp^2+Yp^2): position of each particle in rdaial direction.Xp and Yp are the particle position in cartesian.
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