"PosSemDefSymmMatrix"
"PosDefSymmMatrix"
PosSemDefSymmMatrix(mat) PosDefSymmMatrix(mat)
mat
as.matrix
PosDefSymmMatrix-class
PosSemDefSymmMatrix(1) PosSemDefSymmMatrix(diag(2)) PosDefSymmMatrix(1) PosDefSymmMatrix(diag(2))
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