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例如,我有一個功能,在極座標定義的,它可能是這樣的:整合功能SciPy的
r = a*b/sqrt((b*cos(f)^2) + (a*sin(f))^2)
# ellipse in polar coordinates,
# when center of ellipse is polus
# and bigger axis is polar axis
# f is angle, r is distance
我如何才能找到,例如,橢圓形線的長度SciPy的?
非常感謝提前。