3 x 3 determinants(Diagonal Method) a11 a12a13 a21a22a23 a31a32a33 D=a11a22a33+a12a23a31 十0 a19 (Tongji University) 5/32
3 × 3 determinants(Diagonal Method) . a11. a12. a13. a21. a22. a23. a31. a32. a33. . . . D =a11a22a33 . +a12a23a31 . +a13a21a32 . −a11a23a32 . −a12a21a33 . −a13a22a31 (Tongji University) Linear Algebra 5 / 32
3 x 3 determinants(Diagonal Method) a11 a12 a13 a21 a22 123 a31 a32 a33 D=a11a22a33+a12a23a31+a13a21a32 11d一21C1d8 Tongji University】 5/32
3 × 3 determinants(Diagonal Method) . a11. a12. a13. a21. a22. a23. a31. a32. a33. . . . D =a11a22a33 . +a12a23a31 . +a13a21a32 . −a11a23a32 . −a12a21a33 . −a13a22a31 (Tongji University) Linear Algebra 5 / 32
●3×3 determinants(Diagonal Method) a11 a12 a13 a21a22 a23 a31 a32 a33 D=a11a22a33十a12a23a31+a13a21a32 -a11a23a32191801gdg (Tongji University) 5/32
3 × 3 determinants(Diagonal Method) . a11. a12. a13. a21. a22. a23. a31. a32. a33. . . . D =a11a22a33 . +a12a23a31 . +a13a21a32 . −a11a23a32 . −a12a21a33 . −a13a22a31 (Tongji University) Linear Algebra 5 / 32
3 x 3 determinants(Diagonal Method) a11a12 a13 a21a22a23 X a31 a32 a33 D=a11a22a33十a12a23a31十a13a21a32 -a11a23a32-a12a21a33 0190dg Tongji University】 5/32
3 × 3 determinants(Diagonal Method) . a11. a12. a13. a21. a22. a23. a31. a32. a33. . . . D =a11a22a33 . +a12a23a31 . +a13a21a32 . −a11a23a32 . −a12a21a33 . −a13a22a31 (Tongji University) Linear Algebra 5 / 32
3 x 3 determinants(Diagonal Method) a11a12a13 ×X a21a2223 ×× a31a32a33 D=a11a22a33十a12a23a31十a13a21a32 -a11a23a32-a12a21a33-a13a22a31 Tongji University】 5/32
3 × 3 determinants(Diagonal Method) . a11. a12. a13. a21. a22. a23. a31. a32. a33. . . . D =a11a22a33 . +a12a23a31 . +a13a21a32 . −a11a23a32 . −a12a21a33 . −a13a22a31 (Tongji University) Linear Algebra 5 / 32