clc;
warning("off");
printf("\n\n example15.3 - pg774");
// given
// from example 15.2 
n'=0.8851;
K'=0.01254;
n=n';
K=K'/((3*n+1)/(4*n));
disp(n,"n=");
printf("\n K = %f N/m^2",K);