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- from sympy.core.numbers import E
- from sympy.core.symbol import symbols
- from sympy.functions.elementary.exponential import log
- from sympy.functions.elementary.miscellaneous import sqrt
- from sympy.geometry.curve import Curve
- from sympy.integrals.integrals import line_integrate
- s, t, x, y, z = symbols('s,t,x,y,z')
- def test_lineintegral():
- c = Curve([E**t + 1, E**t - 1], (t, 0, log(2)))
- assert line_integrate(x + y, c, [x, y]) == 3*sqrt(2)
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