Program to solve 4 variable equation(octave code)

function [x,y,z,alpha]=eq4variable( aaaa1,bbbb1,dddd1,eeee1,cccc1,aaaa2,bbbb2,dddd2,eeee2,cccc2,aaaa3,bbbb3,dddd3,eeee3,cccc3,aaaa4,bbbb4,d...