scipy 旋转: from_matrix -> as_quat -> from_quat -> as_matrix 给出与输入不同的输出 [英]scipy rotation: from_matrix -> as_quat -> from_quat -> as_matrix gives the output that differs from input
如何获得与SciPy稀疏矩阵中特定行对应的向量的范数? [英]How to get the norm of the vector corresponding to a particular row in a SciPy sparse matrix?