Page 15 - المصفوفات
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ﻛﻠﻴﺔ اﻟﻐﺮب ﻟﻠﻌﻠﻮم و اﻟﺘﻜﻨﻮﻟﻮﺟﻴﺎ
س
= 2 8 , = 2 8 م :10إذ ك ن
1 3 1 −3
= 2 0 4
6 1 −2
أوج ن ت ك ي ى :
·) ·) ·) ·)
:
·) = 2 8 · 2 8
1 3 1 −3
= 2×2+8×1 )2 × 8 + 8 × (−3
1×2+3×1 )1 × 8 + 3 × (−3
= 4+8 )16 + (−24 = 12 −8
2+3 )8 + (−9 5 −1
) =·A 2 8 · 2 8 = 4+8 16 + 24
1 −3 1 3 )2 + (−3 )8 + (−9
= 12 40
−1 −1
) · = 2 8 · 2 0 4
1 3 6 1 −2
=
)2 × 2 + 8 × 6 2 × 0 + 8 × 1 2 × 4 + 8 × (−2
)1 × 2 + 3 × 6 1 × 0 + 3 × 1 1 × 4 + 3 × (−2
13