Switch between rows & columns indices and vector-like indices of matrices.
rowcol2idx
get indices out of rows and columns
idx2col
get columns out of indices
idx2row
get rows out of indices
Usage
rowcol2idx(rows.idx, cols.idx, height)
idx2col(idx, height)
idx2row(idx, height)
Arguments
- rows.idx
indices of rows
- cols.idx
indices of columns
- height
height of the matrix (number of rows)
- idx
vector-like, matrix-wide indices
Value
a vector of indices