Stata 15 help for _massert


[P] _massert -- Verify two matrices are equal


_massert matrix1 matrix2 [, tol(real) nostop]


_massert verifies that reldif(matrix1,matrix2) <= tol is true. If it is true, the command produces no output. If it is not true, _massert informs you of the "assertion failure", displays the relative difference, and issues a return code of 9; see [U] 8 Error messages and return codes.


tol(real) sets the tolerance limit for the relative difference. The default is tol(1e-8).

nostop prevents termination with error code 9 but still displays the error message.

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