89     mM = tmp.inverse();  in ComputeStiffnessMatrix()
92     MatrB(0) = mM(0);  in ComputeStiffnessMatrix()
93     MatrB(3) = mM(4);  in ComputeStiffnessMatrix()
94     MatrB(6) = mM(8);  in ComputeStiffnessMatrix()
95     MatrB(9) = mM(12);  in ComputeStiffnessMatrix()
96     MatrB(13) = mM(1);  in ComputeStiffnessMatrix()
97     MatrB(16) = mM(5);  in ComputeStiffnessMatrix()
98     MatrB(19) = mM(9);  in ComputeStiffnessMatrix()
99     MatrB(22) = mM(13);  in ComputeStiffnessMatrix()
100     MatrB(26) = mM(2);  in ComputeStiffnessMatrix()
101     MatrB(29) = mM(6);  in ComputeStiffnessMatrix()
102     MatrB(32) = mM(10);  in ComputeStiffnessMatrix()
103     MatrB(35) = mM(14);  in ComputeStiffnessMatrix()
104     MatrB(36) = mM(1);  in ComputeStiffnessMatrix()
105     MatrB(37) = mM(0);  in ComputeStiffnessMatrix()
106     MatrB(39) = mM(5);  in ComputeStiffnessMatrix()
107     MatrB(40) = mM(4);  in ComputeStiffnessMatrix()
108     MatrB(42) = mM(9);  in ComputeStiffnessMatrix()
109     MatrB(43) = mM(8);  in ComputeStiffnessMatrix()
110     MatrB(45) = mM(13);  in ComputeStiffnessMatrix()
111     MatrB(46) = mM(12);  in ComputeStiffnessMatrix()
112     MatrB(49) = mM(2);  in ComputeStiffnessMatrix()
113     MatrB(50) = mM(1);  in ComputeStiffnessMatrix()
114     MatrB(52) = mM(6);  in ComputeStiffnessMatrix()
115     MatrB(53) = mM(5);  in ComputeStiffnessMatrix()
116     MatrB(55) = mM(10);  in ComputeStiffnessMatrix()
117     MatrB(56) = mM(9);  in ComputeStiffnessMatrix()
118     MatrB(58) = mM(14);  in ComputeStiffnessMatrix()
119     MatrB(59) = mM(13);  in ComputeStiffnessMatrix()
120     MatrB(60) = mM(2);  in ComputeStiffnessMatrix()
121     MatrB(62) = mM(0);  in ComputeStiffnessMatrix()
122     MatrB(63) = mM(6);  in ComputeStiffnessMatrix()
123     MatrB(65) = mM(4);  in ComputeStiffnessMatrix()
124     MatrB(66) = mM(10);  in ComputeStiffnessMatrix()
125     MatrB(68) = mM(8);  in ComputeStiffnessMatrix()
126     MatrB(69) = mM(14);  in ComputeStiffnessMatrix()
127     MatrB(71) = mM(12);  in ComputeStiffnessMatrix()
174                 sum += (P(row, col)) * (mM(col, colres));  in UpdateRotation()
426     mM = tmp.inverse();  in ComputeStiffnessMatrix()
429     MatrB(0, 0) = mM(0);  in ComputeStiffnessMatrix()
430     MatrB(0, 1) = mM(4);  in ComputeStiffnessMatrix()
431     MatrB(0, 2) = mM(8);  in ComputeStiffnessMatrix()
432     MatrB(0, 3) = mM(12);  in ComputeStiffnessMatrix()
433     MatrB(1, 0) = mM(1);  in ComputeStiffnessMatrix()
434     MatrB(1, 1) = mM(5);  in ComputeStiffnessMatrix()
435     MatrB(1, 2) = mM(9);  in ComputeStiffnessMatrix()
436     MatrB(1, 3) = mM(13);  in ComputeStiffnessMatrix()
437     MatrB(2, 0) = mM(2);  in ComputeStiffnessMatrix()
438     MatrB(2, 1) = mM(6);  in ComputeStiffnessMatrix()
439     MatrB(2, 2) = mM(10);  in ComputeStiffnessMatrix()
440     MatrB(2, 3) = mM(14);  in ComputeStiffnessMatrix()
467                 sum += (P(row, col)) * (mM(col, colres));  in UpdateRotation()