def norm_inv(self, eps=0):
"""Return the inverse of the matrix/vector `norm`. For `norm`: please see :func:`~taichi.lang.matrix.Matrix.norm`.
Args:
eps (Number): a safe-guard value for sqrt, usually 0.
Returns:
The inverse of the matrix/vector `norm`.
"""
return ops_mod.rsqrt(self.norm_sqr() + eps)
def norm_inv(self, eps=0):
return ops_mod.rsqrt(self.norm_sqr() + eps)