AR-test, calculates Autoregressive parameters with the Yule-Walker
needs 628677 FLOPS,0.140s for 1024 samples and a model order of 10.
needs 22812 FLOPS, 0.050s for 1024 samples and a model order of 10.
needs 1089687 FLOPS, 1.592s for 1024 samples and a binwidth of 0.01 (1060 bins).
needs 5143 FLOPS, 0.150s for 1024 samples and a binwidth of 0.01 (1060 bins).
UCP-Test: Test polynomials if all roots are inside the Unit Circle
for k=1:N, b(k)=all(abs(roots(y(k,:)))<1); end;
needs 1864656 FLOPS, 0.591s for 100 polynomials of order 11.
needs 12040 FLOPS, 0.030s for 100 polynomials of order 11.
The results were obtained on a Intel Pentium 166MHz and Matlab 5.1. You can can get the results for Your platform by running demoperf.m of the TSA toolbox (V2.44 or higher) on your platform.