If A and D are positive semi-defined, then A+cD is also positive semi-defined.

 

1 Basis 5 Bases 10 Bases 33 Bases 541 Bases 2879 Bases 3845 Bases
Vallet08vs c = -10  0.00171235  0.000163871  4.32685e-005  1.11e-005  3.53215e-008  5.73475e-007  5.74316e-027
Vallet08 vs c = -1  0.00205554  0.000199032  5.2197e-005  1.34249e-005  4.2805e-008  5.73739e-007  2.64294e-027
Vallet08vs c = -0.5  4.61371e-006  3.99166e-007  1.11368e-007  2.78565e-008  8.70568e-011  1.17501e-012  5.42091e-027
Vallet08 vs c = 0  0  0  0  0  0  0  0
Vallet08 vs c = 0.5  0.000444579  4.4784e-006  1.29668e-006  1.6441e-007  1.18779e-009  5.277e-011  1.47602e-026
Vallet08 vs c = 1  0.00333874  4.06621e-005  1.09723e-005  1.73146e-006  1.04625e-008  4.82625e-010  2.54211e-026
Vallet08 vs c = 10  0.0630274  0.00356961  0.000607923  0.000114378  6.1632e-007  2.63733e-008  1.05842e-026

 

ORIGINAL (Vallet08 Laplacian)

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c = -10

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c = -1

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c = -0.5

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c = 0.5

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c = 1

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c = 10

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