| author | Puneeth Chaganti <punchagan@fossee.in> |
| Fri, 27 May 2011 14:24:59 +0530 | |
| changeset 0 | 0efde00f9229 |
| permissions | -rw-r--r-- |
| 0 | 1 |
#!/usr/bin/python |
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# 5.1 |
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import scipy as sp |
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from pylab import * |
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n = sp.arange(17) |
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subplot(2,2,1), stem(n,cos(n*pi/8)) |
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grid,xlabel('n'),ylabel('cos(n*pi/8)')
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subplot(2,2,2), stem(n,cos(n*pi/4)) |
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grid,xlabel('n'),ylabel('cos(n*pi/4)')
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subplot(2,2,3), stem(n,cos(n*pi/2)) |
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grid,xlabel('n'),ylabel('cos(n*pi/2)')
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subplot(2,2,4), stem(n,cos(n*pi)) |
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grid,xlabel('n'),ylabel('cos(n*pi)')
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show() |