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MATEMATIKA 1 Senka Banic PREDAVANJA (grupa G1): utorak i ...

MATEMATIKA 1 Senka Banic PREDAVANJA (grupa G1): utorak i ...

MATEMATIKA 1 Senka Banic PREDAVANJA (grupa G1): utorak i ...

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1.5. Matricni zapis sustava od m linearnih jednadbisa n nepoznanicaSustavu 2x1 3x 2 x 3 = 1x 1 + 2x 2 + 4x 3 = 0(S1)moemo pridruiti tri matriceA =x =b =Sada je 2 3 1matrica (koecijenata) sustava1 2 42 3x 14 x 25 vektor (matrica) nepoznanicax 3 10vektor (matrica) slobodnih koecijenataAx = 2x1 3x 2 x 3;x 1 + 2x 2 + 4x 3pa iz (S1) slijedi jednakost matrica Ax = b:Sustavu pridruujemo i proširenu matricu sustava 2 3 1A p = [A jb] =1 2 4 1 :0

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