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+// Problem no 4.4.7,Page No.96
+
+clc;clear;
+close;
+w=20 //KN/m //u.d.l on Length  CB
+F_D= 50 //KN //Pt Load at D
+L_CB=5 //m //Length of CB
+L_DC=3 //M //Length of DC
+L_AD=2 //m //Length of AD
+L=10 //m //Length of Beam
+
+//Calculations
+
+theta=atan(4*3**-1)*(180*%pi**-1)
+F_DV=F_D*sin(theta*%pi*180**-1) //Force at Pt D vertically
+F_DH=F_D*cos(theta*%pi*180**-1) //Force at pt D horizontally
+
+//Let R_A & R_B be the reactions at A & B
+//R_A+R_B=140
+
+//Taking Moment at A
+//M_A=0=-R_B*L+w*L_CB*(L_CB*2**-1+L_DC+L_AD)+F_DV*L_AD
+R_B=(w*L_CB*(L_CB*2**-1+L_DC+L_AD)+F_DV*L_AD)*L**-1
+R_A=140-R_B
+
+//Shear Force Calculations
+
+//Shear Force at B
+V_B=R_B
+
+//Shear Force at C
+V_C=V_B-w*L_CB
+
+//Shear Force at D
+V_D1=V_C
+V_D2=V_C-F_DV
+
+//Shear Force at A
+V_A=V_D2
+
+//Pt of Contraflexure
+//Let E be the pt And BE=x
+//V_E=0=R_B-w*x
+x=R_B*w**-1;
+L_BE=R_B*w**-1
+
+//Bending Moment Calculations
+
+//Bending Moment at B
+M_B=0
+
+//Bending Moment at C
+M_C=R_B*L_CB-w*L_CB**2*2**-1
+
+//Bending Moment at D
+M_D=R_B*(L_CB+L_DC)-w*L_CB*(L_CB*2**-1+L_DC)
+
+//Bending Moment at A
+M_A=R_B*L-w*L_CB*(L_CB*2**-1+L_DC+L_AD)-F_DV*L_AD
+
+//Bending Moment at E
+M_E=R_B*L_BE-w*L_BE**2*2**-1
+
+//Result
+printf("The Shear Force and Bending Moment Diagrams are the results")
+
+//Plotting the Shear Force Diagram
+subplot(2,1,1)
+X1=[0,L_CB,L_CB+L_DC,L_CB+L_DC,L_CB+L_DC+L_AD]                   
+Y1=[V_B,V_C,V_D1,V_D2,V_A]
+Z1=[0,0,0,0,0]
+plot(X1,Y1,X1,Z1)
+xlabel("Length x in m")
+ylabel("Shear Force in kN")
+title("the Shear Force Diagram")
+
+//Plotting the Bending Moment Diagram
+subplot(2,1,2)
+X2=[0,L_BE,L_CB,L_CB+L_DC,L_CB+L_DC+L_AD]
+Y2=[M_B,M_E,M_C,M_D,M_A]          
+Z2=[0,0,0,0,0,0]
+plot(X2,Y2)
+xlabel("Length in m")
+ylabel("Bending Moment in kN.m")
+title("the Bending Moment Diagram")