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MATRICI

MATRICI. Despre matrici - Acest complex l-am intalnit inca din primul an de liceu,atunci cand s-a pus problema rezolvarii unui sistem de doua ecuatii cu doua necunoscute de forma x si y. Definitie

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MATRICI

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  1. MATRICI

  2. Despre matrici - Acest complex l-am intalnit inca din primul an de liceu,atunci cand s-a pus problema rezolvarii unui sistem de doua ecuatii cu doua necunoscute de forma x si y. Definitie - Se numeste matrice cu m linii si n coloane un tablou cu m lini si n coloane ale carui element sunt numere complexe.

  3. Adunarea matricilor Doua matrice se pot aduna numai daca sunt de acelasi tip(daca au acelasi numar de lini si de coloane). + =

  4. Proprietati ale adunarii - Asociativitatea adunarii.Adunarea matricilor este asociativa daca: , - Comutativitatea adunari.Adunarea matricilor este comutativa ,daca: , - Elementul neutru.Adunarea matricilor adminte matricea nula ca element neutru - Elemente opuse . Orce matrice are un opus,not ,astfel incat

  5. Grupa2 Patcas Daniela Andreea Paladyi Alexandra Sperle Florian Varga Adrian

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