Table 4.

Comparison of the estimated CMI of trivariate Gaussian distribution with different covariance matrices using Algorithm 2 and the modified b-spline algorithm.

Cond. Corr.	Algorithm	100	200	300	400	500	Analytical
0	Adaptive	0.0263	0.0215	0.0171	0.0175	0.0113	0
	b-spline 10	0.1899	0.1039	0.0711	0.0536	0.0429
	b-spline 20	0.7888	0.5592	0.4330	0.3497	0.2943
0.1612	Adaptive	0.0310	0.0278	0.0253	0.0249	0.0187	0.0132
	b-spline 10	0.1899	0.1065	0.0759	0.0603	0.0495
0.3035	Adaptive	0.0497	0.0510	0.0534	0.0565	0.0582	0.0483
	b-spline 10	0.2251	0.1377	0.1032	0.0855	0.0761
0.7408	Adaptive	0.2294	0.3050	0.3234	0.3444	0.3784	0.3979
	b-spline 10	0.2773	0.2390	0.2190	0.2092	0.2029
	b-spline 20	0.6387	0.5323	0.4719	0.4378	0.4121