QR Decomposition

Examples:

Calculate Q and R for input matrix stored in A.csv:

python qr_solver.py -data=A.csv -sep=, -ycol=3

Recalculate QR for an updated matrix

Append matrix stored in A4.csv to previous matrix stored in A.csv and recalculate new Q/R while using the previously obtained Q/R saved in Q.csv and R.csv :

python qr_solver.py -data=A4.csv -sep=, -ycol=3 -prev_data=A.csv -Q=Q.csv -R=R.csv