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The I attribute only exists on matrix objects, not ndarray s. You can use numpy.linalg.inv to invert arrays: inverse = numpy.linalg.inv(x). ... <看更多>

For a 2x2 matrix, the inverse is: (abcd)−1=1ad−bc(d−b−ca) , where ad−bc≠0. just swap the 'a' and 'd', negate the 'b' and 'c', then divide all by the ... ... <看更多>

Matrix inversion is numerically sensitive and the CMSIS DSP library only supports matrix inversion of floating-point matrices. ... <看更多>