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SymPy-Test
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| #!/usr/bin/python3 | |
| #from __future__ import division | |
| import sympy | |
| sympy.init_printing(use_unicode=False) | |
| t = sympy.symbols('t', real=True) | |
| omega = sympy.symbols('\\omega', positive=True) | |
| f1 = 281/10 | |
| f2 = 3*f1 | |
| omega1 = 2*sympy.pi*f1 | |
| omega2 = 2*sympy.pi*f2 | |
| testsignal = sympy.sin(omega1*t)+.7*sympy.cos(omega2*t) | |
| Tges = 10 | |
| foursig = sympy.integrate(testsignal*sympy.cos(omega*t), (t, 0, Tges))/Tges - \ | |
| sympy.I*sympy.integrate(testsignal*sympy.sin(omega*t), (t, 0, Tges))/Tges | |
| sympy.pprint(foursig) | |
| res = sympy.integrate(abs(foursig), (omega, 2*sympy.pi*27.5, 2*sympy.pi*28.5)) | |
| sympy.pprint(res) |
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