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18 SEMINAR 1. CALCUL MATRICEAL ELEMENTAR1.7 Anexa B1: function [ sigma ] = suma1(alfa)2:3: %-------------------------------------------------------------------------4: % Algoritmul 1.15: % Functia calculeaza suma a n numere reale stocate in vectorul alfa6: % numerele sunt insumate in ordine normala de la alfa(1) pana la alfa(n)7: % Apelul: [ sigma ] = suma1(alfa)8: %9: % Buta Valentin, aprilie, 200610: %-------------------------------------------------------------------------11:12: n=length(alfa);13: m=min(size(alfa));14: if m∼=115: error(’Datele de intrare nu sunt corecte’)16: end17: sigma=0;18: for i=1:n19: sigma=sigma+alfa(i);20: end1: function [ sigma ] = suma2(alfa)2:3: %-------------------------------------------------------------------------4: % Algoritmul 1.25: % Functia calculeaza suma a n numere reale stocate in vectorul alfa6: % numerele sunt insumate in ordine inversa de la alfa(n) pana la alfa(1)7: % Apelul: [ sigma ] = suma2(alfa)8: %9: % Buta Valentin, aprilie, 200610: %-------------------------------------------------------------------------11:12: n=length(alfa);13: m=min(size(alfa));14: if m∼=115: error(’Datele de intrare nu sunt corecte’)16: end17: sigma=0;18: for i=n:-1:119: sigma=sigma+alfa(i);20: end1: function [ p ] = produs(alfa)2: