Table 3: Comparison of computation times as a function of conjugate gradient scheme accuracy tolerances.

Tolerance = 1e-5Tolerance = 1e-3
COCGCOCG-FFTCOCRCOCR-FFTCOCGCOCG-FFTCOCRCOCR-FFT

MATLAB0.33510.40900.37490.40420.20610.26940.23440.2613
C++0.34700.16550.37410.16650.32370.10730.26480.1080