BIT 3rd Semester
Numerical Method Board Question Paper 2083

Views: ...

BIT 203-2083 ✡

Tribhuvan University

Institute of Science and Technology

TUpapers.com TUpapers.com
Bachelor Level/Second Year/Third Semester/Science
Bachelors in Information Technology (BIT 203)
(Numerical Method)
Full Marks: 60 Pass Marks: 24 Time: 3 hours

Candidates are required to give their answers in their own words as far as practicable.
The figures in the margin indicate full marks.

Section A
Long Answer Questions
Attempt any Two questions.
[2x10=20]
1.

Explain how Newton-Raphson method differs from bisection method. Derive the formula for Newton-Raphson method. Use bisection method to solve \(x^3 - x - 2 = 0\) in \(1< x < 2\).

2.

Write an algorithm and program to compute interpolation using Newton's backward interpolation.

3.

Explain the power method for finding eigen value. Differentiate between Jacobi and Gauss-Seidel method. Solve the following given system of linear equation using Jacobi method.
\[5x + y + z = 7\] \[x + 4y + z = 6\] \[x + y + 3z = 5\]

Section B

Attempt any Eight questions

[8×5=40]
4.

Differentiate between absolute and relative error. Explain fixed point iteration method.

5.

Fit a second-degree polynomial using least square method for: \((-1,2),\ (0,1),\ (1,2),\ (2,5),\ (3,10)\).

6.

Find first and second derivative at \(x = 2\) from the following tabulated data value:

\(x\)11.522.53
\(f(x)\)13.375815.62527

7.

What is numerical integration? Derive Newton-Cote's quadrature formula.

8.

Integrate \(\displaystyle\int_{1}^{2} \frac{e^x}{x}\, dx\) using the trapezoidal rule with \(n=5\).

9.

Solve following system of linear equation by Gauss elimination with partial pivoting.
\[2x + 3y + z = 9\] \[x + 4y + 5z = 15\] \[3x + y + 2z = 10\]

10.

Use the differential equation \(\dfrac{dy}{dx} = 2x + 3y\) with initial condition \(y(0) = 1\). Find \(y(0.2)\) using the Runge-Kutta method.

11.

Differentiate between initial value and boundary value problem. Explain solution of system of ODEs.

12.

Explain the classification of partial differential equations by order and linearity.