Introduction - If you have any usage issues, please Google them yourself
THIS PROGRAM IS TO SOLVE THE 4TH ODE & THE RUNGE KUTTA IS USED IN ORDER TO SOLVE THE EQ
<<SIN(X)*Y""=(1-X^2)*Y" -X*Y"-Y -Y+EXP(3*X)>> &
THE BOUNDARY CONDITIONS ARE AS FOLLOW:
Y=W1 Y =W2=F1 Y"=W3=F2 Y =W4=F3
F4=(1/SIN(X))*[(1-X^2)*Y -X*Y -Y -Y+EXP(3*X)]