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where matrix is a symmetric numeric matrix.
The SQRSYM function takes a matrix such as those generated by the SYMSQR function and transforms it back into a square matrix. The elements of the argument are unpacked into the lower triangle of the result and reflected across the diagonal into the upper triangle.
For example, the following statement
sqr=sqrsym(symsqr({1 2, 3 4}));which is the same as
sqr=sqrsym({ 1, 3, 4} );produces the result
SQR 2 rows 2 cols (numeric) 1 3 3 4
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