【解决了】python中矩阵求助

telekroc

矩阵中不能使用变量吗？
请指出我哪里出错了？
谢谢~

koala114

If data is a string, it is interpreted as a matrix with commas or spaces separating columns, and semicolons separating rows.

So a**2, -a**2/2 are likely interpreted as string

Try this
G=numpy.matrix([[a**2,-a**2/2,0],[-a**2/2, a**2,0],[0,0,c**2]])

telekroc

问题解决，非常感谢！