Planar Truss Examplefor ComrelAdd-onRCPConsult, 2023-2025Page 4//* Global stiffness matrixdoubleK[ndof][ndof];for(inti=0;i=0;i--){ac[i]=fc[i];for(intj=ndof1;j>i;j)ac[i]=ac[i]K[i][j]*ac[j];ac[i]=ac[i]/K[i][i];}//* Axial loads in barsdoubleNN[nfe];for(inte=0;e