Matrices

arbongard — Tue, 06 May 2014 20:45:09 GMT

proc iml;

a = {1 2, 3 4};

c= {1 0, 0 1};

b = a || c;

d = echelon(b);

x1 = d[1,3];

x2= d[1,4] ;

x3 = d[2,3];

x4 = d[2,4];

e = {0 0, 0 0};

e[1,1] = x1;

e[1,2] = x2;

e[2,1]= x3;

e[2,2]= x4;

print d, e;

Is the and easier way to put grab the take the 2x2 matrix out of the 2 by 4 matrix?

Re: Matrices

IanWakeling — Wed, 07 May 2014 07:48:03 GMT

See the section here on "extracting rows and columns".