| Revision: | 1.1 |
| Committed: | Sat Feb 22 02:07:21 2003 UTC (21 years, 2 months ago) by greg |
| Branch: | MAIN |
| CVS Tags: | rad3R7P2, rad3R7P1, rad3R5, rad3R6, rad3R6P1, rad3R8, rad3R9 |
| Log Message: | Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release |
| # | User | Rev | Content |
|---|---|---|---|
| 1 | greg | 1.1 | { |
| 2 | 3x3 Matrix operations | ||
| 3 | } | ||
| 4 | |||
| 5 | MatDot(A,B,i,j) : A(i,0)*B(0,j) + A(i,1)*B(1,j) + A(i,2)*B(2,j); | ||
| 6 | |||
| 7 | i3(i) : if(i-2.5, i-3, i); | ||
| 8 | |||
| 9 | MinorDet(M,i,j) : M(i3(i+1),i3(j+1))*M(i3(i+2),i3(j+2)) - | ||
| 10 | M(i3(i+1),i3(j+2))*M(i3(i+2),i3(j+1)); | ||
| 11 | |||
| 12 | Det(M) : M(0,0)*MinorDet(M,0,0) + | ||
| 13 | M(0,1)*MinorDet(M,0,1) + | ||
| 14 | M(0,2)*MinorDet(M,0,2); | ||
| 15 | |||
| 16 | Inv(M,i,j) : MinorDet(M,j,i) / Det(M); | ||
| 17 |