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+// Problem no 4.4.16,Page No.107
+
+clc;clear;
+close;
+F_C=250 //KN //Pt LOad at C
+M_D=120 //KNM //moment at Pt D
+w=50 //KN/m //u.d.l 0n L_AD
+L_DB=2;L_BC=2 //m //Length of DB & BC
+L_AD=4 //m //Length of AD
+L=8 //m //Length of beam
+
+//Calculations
+
+//LEt R_A and R_D be the reactions at A and D
+//R_A+R_D=450
+
+//Taking moment at A
+//M_A=0=-R_B*(L_DB+L_AD)+M_D+F_C*L+w*L_AD**2*2**-1
+R_B=-(-M_D-F_C*L-w*L_AD**2*2**-1)*(L_DB+L_AD)**-1
+R_D=450-R_B
+
+//Shear Force Calculations
+
+//Shear Force at C
+V_C=-F_C
+
+//Shear Force at B
+V_B1=V_C
+V_B2=R_B-F_C
+
+//Shear Force at D
+V_D=V_B2
+
+//Shear Force at A
+V_A=-F_C+R_B-w*L_AD
+
+//Pt of contralfexure
+//Let E be the pt and CE=x
+//V_E=0=-F_C+R_B-w*(L_EC-L_DB-L_BC)
+L_EC=-((+F_C-R_B)*w**-1-L_DB-  L_BC)
+L_ED=L_EC-L_DB-L_BC
+
+//Bending Moment Calculations
+
+//Bending Moment at C
+M_C=0
+
+//Bending Moment at B
+M_B=-F_C*L_BC
+
+//Bending Moment at D
+M_D1=-F_C*(L_BC+L_DB)+R_B*L_DB
+M_D2=M_D1-M_D
+
+//Bending Moment at E
+M_E=-F_C*L_EC+R_B*(L_ED+L_DB)-w*L_ED**2*2**-1-M_D
+
+//Bending Moment at A
+M_A=0
+
+//Pt of contraflexure
+//Let F be the pt and CF=y
+//M_F=0=- F_C*L_FC+R_B*(L_FC-L_BC)-M_D-w*(L_FC-L_DB-L_BC)
+//After substituting values and further simplifying we get equation as
+//y**2-14.8*y+54.5=0
+
+a=1
+b=-14.8
+c=54.4
+
+X=b**2-4*a*c
+
+y1=(-b+X**0.5)*(2*a)**-1
+y2=(-b-X**0.5)*(2*a)**-1
+
+//From above two equations y2 is taken into consideration
+
+//Result
+printf("The Shear Force and Bending Moment Diagrams are the results")
+
+//Plotting the Shear Force Diagram
+subplot(2,1,1)
+X1=[0,L_BC,L_BC,L_BC+L_DB,L_BC+L_DB+L_AD,L_BC+L_DB+L_AD]                   
+Y1=[V_C,V_B1,V_B2,V_D,V_A,0]
+Z1=[0,0,0,0,0,0]
+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_BC,L_BC+L_DB,L_BC+L_DB,L_BC+L_DB+L_ED,L_BC+L_DB+L_AD,]
+Y2=[M_C,M_B,M_D1,M_D2,M_E,M_A]          
+Z2=[0,0,0,0,0,0]
+plot(X2,Y2,X2,Z2)
+xlabel("Length in m")
+ylabel("Bending Moment in kN.m")
+title("the Bending Moment Diagram")