powered by
It creates a symmetric matrix from its lower triangle.
SP2Rect(LT, dim)
A matrix.
a numeric vector with the lower triangle (stored columnwise) of the matrix we want to reconstruct.
number of rows and columns of a resulting matrix.
Arnošt Komárek arnost.komarek@mff.cuni.cz
SP2Rect(3, dim=1) SP2Rect(c(1, 0.5, 2), dim=2) SP2Rect(c(1, 0.5, 0.25, 2, -0.5, 3), dim=3)
Run the code above in your browser using DataLab