11.07.2015 Views

RIJEÅ ENI ZADACI IZ MATEMATIKE

RIJEÅ ENI ZADACI IZ MATEMATIKE

RIJEÅ ENI ZADACI IZ MATEMATIKE

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44. Zadana je matrica tehničkih koeficijenata jedne trosektorske ekonomije⎡ ⎤12140A = ⎣0 1 1⎦2 20 1 80Izračunajte outpute svih sektora tako da se zadovolji finalna potražnja⎡ ⎤80q = ⎣220⎦120Rješenje:T = I − A⎡ ⎤ ⎡ ⎤ ⎡1 111 0 02 40T = ⎣0 1 0⎦ − ⎣0 1 2− 1 ⎤401⎦ 2 2= ⎣ 100 0 1 0 1 2− 1 ⎦280 0 − 1 81⎡12− 1 ⎤ ⎡40 | 80 1 − 1 ⎤⎣ 102− 1 20 | 1602| 220⎦ ∼ ⎣ 100 − 1 2− 1 2| 220⎦ ∼81 | 120 0 − 1 81 | 120⎡1 − 1 ⎤ ⎡20 | 160 1 0 −1 ⎤2| 380⎣0 1 −1 | 440⎦ ∼ ⎣0 1 −1 | 440⎦ ∼0 − 1 781 | 120 0 08| 175⎡1 0 −1 ⎤ ⎡⎤2| 380 1 0 0 | 480⎣0 1 −1 | 440⎦ ∼ ⎣0 1 0 | 640⎦0 0 1 | 200 0 0 1 | 200⎡ ⎤480Q = ⎣640⎦20047

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