Trapezoidal Method Algorithm

--Start
--Define and Declare function
--Input initial boundary value, final boundary value and length of interval
--Calculate number of strips, n = (final boundary value –final boundary value)/length of interval
--Perform following operation in loop
x[i]=x0+i*h

y[i]=f(x[i])

print y[i]

--Initialize se=0, s0=0
--Do the following using loop
If i %2 = 0

So=s0+y[i]

Otherwise

Se=se+y[i]

--ans= h/3*(y[0]+y[n]+4*so+2*se)
--print the ans
--stop