有没有一种有效的方法可以在直角坐标系和n-spherical one之间进行转换?转换如下:
以下是我的代码,但我想摆脱循环:
![enter image description here](https://istack.dev59.com/CFSsT.webp)
import numpy as np
import scipy.sparse
def coord_transform_n(r,alpha):
"""alpha: the n-2 values between [0,\pi) and last one between [0,2\pi)
"""
x=[]
for i in range(alpha.shape[0]):
x.append(r*np.prod(np.sin(alpha[0:i]))*np.cos(alpha[i]))
return np.asarray(x)
print coord_transform_n(1,np.asarray(np.asarray([1,2])))