17 lines
480 B
Python
17 lines
480 B
Python
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import numpy as np
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if __name__ == '__main__':
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# np在线性代数处理上有一个子包叫matrix，专门使用线性代数规则来处理数据，比如矩阵乘法、求行列式和解线性方程
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m = np.matrix([[1,-2,3],[0,4,5],[7,8,-9]])
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print(m)
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# 做一个矩阵转置
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print(m.T)
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# 求可逆矩阵
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print(m.I)
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v = np.matrix([[2], [3], [4]])
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print(m * v)
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# 更多线代操作在np.linalg模块下可以找到，随用随查就行
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