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| import numpy | |
| import pylab | |
| A = .1 | |
| w = 0.25 | |
| T = 1 | |
| t = 2 | |
| while (t > 0.0): | |
| x = numpy.arange(0.0, 1.0+0.01, 0.01) | |
| s = A*numpy.cos(((((2*numpy.pi)/w)*(x)) - ((2*numpy.pi)/T)*t)) | |
| pylab.plot(x, s) | |
| pylab.ylim(ymax = .15, ymin = -.15) | |
| pylab.xlabel('Postion') | |
| pylab.ylabel('Amplitude') | |
| pylab.title('Cosine Function') | |
| pylab.grid(True) | |
| pylab.savefig("plot_%.2f.png" %t) | |
| t = (t - 0.1) | |
| pylab.close() |
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