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help for ^matmad^                                                 (STB-50: dm69)
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Maximum absolute difference between matrices
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    ^matmad^ matrix1 matrix2


Description
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^matmad^ calculates for matrices A and B of the same order

    max ( | A[i,j] - B[i,j] | )
    i,j


Remarks
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^matmad^ is likely to be most useful for checking the convergence of
iterative matrix calculations within programs.


Examples
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    . ^matmad A B^
    . ^qui matmad A B^


Saved values
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     r(mad)   maximum absolute difference


Author
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         Nicholas J. Cox
         University of Durham, U.K.
         n.j.cox@@durham.ac.uk


Also see
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    STB:  STB-50 dm69