// calculate the stiffness matrix for a regular plan frame

// calculate the stiffness matrix for a regular plan frame

// author F. Paulet-Crainiceanu

// version 1.0 / december 2006

clear

mode(0)

disp('')

disp('')

disp(' *******************************************')

disp(' *** CALCULATION OF THE STIFFNESS MATRIX ***')

disp(' *******************************************')

disp('')

disp('')

n=0;

while n