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Calculul ecuatiilor matriciale

...! A-1AX A-1B! A-1AX A-1B!I2X A-1B!X A-1B detA 23 2 4 A-11 detAA a11 a21 A a12 a22a11 -12 3 3 a12 -13 2 -2 a21 -13 1 -1 a22 -14 2 2 3 -1 A -2 2 3 -1 34 -14A-114 -2 2 -12 12 34 -14 5 6 94 52X -12 12 6 8 12 1 2. -1 -2 1 2 -1 -2 1 2 X ,notez A ,B 5 8 -3 6 5 8 -3 6XABA-1!XAA-1BA-1!XAA-1B A-1!X I2B A-1!X B A-1 detA -8 10 2 A-11 detAA a11 a21 A a12 a22a11 -12 8 8 a12 -13 -22 a21 -13 5 -5 a22 -14 -1 -1 8 2 A -5 -1 8 2 4 1A-112 -5 -1 -52 -12 7 2 4 1 23 6X -3 5 -52 -12 -494 -112 3. -1 2 4 6 8 13 -1 2 4 6 8 13 X ,notez A ,B ,C -3 8 5 8 -4 -7 -3 8 5 8 -4 -7AXBCB-1!AXBB-1CB-1!AXBB-1CB-1!AXI2CB-1! A-1AXCB-1!A-1AXA-1CB-1!A-1AXA-1CB-1!I2XA1C B-1!XA-1CB-1detA -8 6 -2 A-11 detAA a11 a21 A a12 a22a11 -12 8 8 a12 -13 -33 a21 -13 2 -2 a22 -14 -1 -1 8 -2 A 3 -1 8 -2 -4 1A-1i1-2s 3 -1 -32 12 detB 32-30 2 B-11 detBB b11 b21 B b12 b22b11 -12 8 8 b12 -13 5-5 b21 -13 6 -6 b22 -14 4 4 8 -6 B -5 4 8 -6 4 -3B-112 -5 4 -52 2 -4 1 8 13 4 -3 -36 -59 4 -3 72 -10 X -32 12 -4 -7 -52 2 -14 -23 -52 2 32 -4 4. 1 2 3 -1 5 3 1 2 3 -1 5 3 X 0 1 2 2 1 -1 ,notez A 0 1 2 ,B 2 1 -1 -1 2 1 -3 4 -5 -1 2 1 -3 4 -5XABA-1!XAA-1BA-1!XAA-1B A-1!X I2B A-1!X B A-1 detA 1 4 3 4 4 A-11 detAA a11 a21 a31 A a12 a22 a32 a13 a23 a33a11 -12 -3 -3 a12 -13 2-2 a13 -14 1 1 a21 -13 -44 a22 -14 4 4 a23 -15 4 4 a31 -14 1 1 a32 -15 2-2 a33 -16 1 1 -3 4 1 A -2 4 -2 1 -4 1 -3 4 1A-1i1-4s -2 4 -2 1 -4 1 -1 5 3 -3 4 1 -4 4 -8 1 -1 2 X i1-4s 2 1 -1 -2 4 -2 i1-4s -9 16 -1 94 -4 14 -3 4 -5 1 -4 1 -4 24 -16 1 -6 45. 1 1 1 1 1 2 3 4 1 1 1 1 1 2 3 4 0 1 1 1 X 0 1 2 3 ,notez A 0 1 1 1 ,B 0 1 2 3 0 0 1 1 0 0 1 2 0 0 1 1 0 0 1 2 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 A-1AXB ! A-1AX A-1B! A-1AX A-1B!I2X A-1B!X A-1B 1 1 1 1 detA 0 1 1 1 1 0 0 1 1 0 0 0 1 A-11 detAA a11 a21 a31 a41 A a12 a22 a32 a42 a13 a23 a33 a43 a14 a24 a34 a44a11 -12 1 1 a21 -13 1-1 a31 -14 0 0 a41 -15 0 0 a12 -13 0 0 a22 -14 1 1 a32 -15 1-1 a42 -16 0 0 a13 -14 0 0 a23 -15 0 0 a33 -16 1 1 a43 -17 1-1 a14 -15 0 0 a24 -16 0 0 a34 -17 0 0 a44 -18 1 1 1 -1 0 0 A 0 1 -1 0 A-1 0 0 1 -1 0 0 0 1 1 -1 0 0 1 2 3 4 1 1 1 1 X 0 1 -1 0 0 1 2 3 0 1 1 1 0 0 1 -1 0 0 1 2 0 0 1 1 0 0 0 1 0 0 0 1 0 0 0 16. 2 2 3 1 2 -3 0 -1 -1 2 2 3 1 2 -3 0 -1 -1 1 -1 0 X 0 1 2 0 1 1 ,notez A 1 -1 0 ,B 0 1 2 ,C 0 1 1 -1 2 1 0 0 1 0 0 1 -1 2 1 0 0 1 0 0 1 AXBCB-1!AXBB-1CB-1!AXBB-1CB-1!AXI2CB-1! A-1AXCB-1!A-1AXA-1CB-1!A-1AXA-1CB-1!I2XA1C B-1!XA-1CB-1detA -26-3-2-1 A-11 detAA a11 a21 a31 A a12 a22 a32 a13 a23 a33a11 -12 -1 -1 a21 -13 -4 4 a31 -14 3 3 a12 -13 1-1 a22 -14 5 5 a32 -15 -3 3 a13 -14 1 1 a23 -15 6 -6 a33 -16 -4 -4 -1 4 3 A -1 5 3 1 -6 -4 -1 4 3 1 -4 -3A-1i1-1s -1 5 3 1 -5 -3 1 -6 -4 -1 6 4detB 11 B-11 detBB b11 b21 b31 B b12 b22 b32 b13 b23 b33b11 -12 1 1 b21 -13 2 -2 b31 -14 7 7 b12 -13 0 0 b22 -14 1 1 b32 -15 2 -2 b13 -14 0 0 b23 -15 0 0 b33 -16 1 1 ...
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