Good evening, i have a problem: I have this linear system of 4 equations in four unknows P1, P2 P3 and P4: a1*P1+a2*P2+a3*P3+a4*P4=a; b1*P1+b2*P2+b3*P3+b4*P4=b; c1*P1+c2*P2+c3*P3+c4*P4=c; d1*P1+d2*P2+d3*P3+d4*P4=d; a1,a2,a3,a4,b1,b2,b3,b4,c1,c2,c3,c4,d1,d2,d3,d4 are constants and a,b,c,d are the known terms. How i can implement it on Matlab such that to find the roots?
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