Research Article

The Calculation of Roughness Uncertainty by Fitting B-Spline Filter Assessment Middle Lines

Table 4

The covariance matrix.

Variables

0.000050.0028-0.00010.0020-0.00050.0393-0.7118-0.00110.0754-1.2451
0.00280.2374-0.00810.2998-0.02301.6866-30.788-0.12218.0681-133.17
-0.0001-0.00810.0005-0.01670.0024-0.17443.15810.0065-0.43097.1076
0.00200.2998-0.01670.6295-0.02041.5149-27.897-0.226314.955-246.78
-0.0005-0.02300.0024-0.02040.0959-6.9100124.480.0254-1.661827.212
0.03931.6866-0.17441.5149-6.9100497.89-8969.5-1.8464120.91-1980.1
-0.7118-30.7883.1581-27.897124.48-8969.516158733.508-2194.335938
-0.0011-0.12210.0065-0.22630.0254-1.846433.5080.0894-5.905097.422
0.07548.0681-0.430914.955-1.6618120.91-2194.3-5.9050390.04-6435
-1.2451-133.177.1076-246.7827.212-1980.135938.97.422-6435106167