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Numerical Methods (MAT302-4)_CIA III_4BSc (PM and DM)

Total questions: 10

Worksheet time: 1hrs 29mins

Name
Class
Date
1.

Kavya is studying the concept of forward differences in her mathematics class. She comes across the notation Δ4y0\Delta^4y_0 and wonders what it represents.

a)

y44y3+6y24y1+y0y_4-4y_3+6y_2-4y_1+y_0

b)

y4+4y36y2+4y1y0y_4+4y_3-6y_2+4y_1-y_0

c)

y46y3+4y26y1+y0y_4-6y_3+4y_2-6y_1+y_0

d)

y44y3+6y2+4y1y0y_4-4y_3+6y_2+4y_1-y_0

2.

Aisha is analyzing the temperature readings of her science project over the last four days. What is 3y3\nabla^3y_3 in backward difference?

a)

y3+3y23y1+y0y_3+3y_2-3y_1+y_0

b)

y3y2+y1y0y_3-y_2+y_1-y_0

c)

y33y2+3y1y0y_3-3y_2+3y_1-y_0

d)

y3+3y2+3y1+y0y_3+3y_2+3y_1+y_0

3.

Tisha is conducting an experiment to determine the relationship between the temperature and the amount of ice melted. Using Lagrange’s interpolation formula, find y(x)y\left(x\right) if y(0)=12, y(1)=0, y(3)=12, y(4)=24y(0)=-12,\ y(1)=0,\ y(3)=12,\ y(4)=24

a)

x25x12x^2-5x-12

b)

x25x+12x^2-5x+12

c)

x2+5x+12x^2+5x+12

d)

x25x+10x^2-5x+10

4.

Sanya is studying the behavior of a certain function and has calculated the values y(0.1)=0.1003, y(0.15)=0.1511, y(0.20)=0.2027, y(0.25)=0.2553, y(0.3)=0.3093y(0.1)=0.1003,\ y(0.15)=0.1511,\ y(0.20)=0.2027,\ y(0.25)=0.2553,\ y(0.3)=0.3093 for different inputs. She wants to find the fourth order forward difference column for these values. What is the result?

a)

0.00020.0002

b)

0.0020.002

c)

0.000020.00002

d)

0.0000020.000002

5.

Rohan has a function y(1)=4, y(3)=12, y(4)=19,y(1)=4,\ y(3)=12,\ y(4)=19, and y(x)=7y(x)=7 find xx .

a)

1.831.83

b)

1.861.86

c)

1.891.89

d)

1.811.81

6.

Find the area bounded by the curve and the x-axis from x=7.47x=7.47 to x=7.52x=7.52 by using Trapezoidal rule. Given that

f(7.47)=1.93, f(7.48)=1.95, f(7.49)=1.98, f(7.50)=2.01, f(7.51)=2.03, f(7.52)=2.06f\left(7.47\right)=1.93,\ f\left(7.48\right)=1.95,\ f\left(7.49\right)=1.98,\ f\left(7.50\right)=2.01,\ f\left(7.51\right)=2.03,\ f\left(7.52\right)=2.06

a)

0.09960.0996

b)

0.0070.007

c)

0.9960.996

d)

0.00990.0099

7.

A solid of revolution iss formed by rotating about the x-axis. The area between the x-axis, the lines x=0x=0 and x=1x=1 and a curve passing through the points (0,1), (0.25, 0.9896), (0.5, 0.9589), (0.75, 0.9089), (1,0.8415)\left(0,1\right),\ \left(0.25,\ 0.9896\right),\ \left(0.5,\ 0.9589\right),\ \left(0.75,\ 0.9089\right),\ \left(1,0.8415\right) . Estimate the volume of the solid formed using Simpson's 1/3rd rule if volume V=π 01y2dxV=\pi\ \int_0^1y^2dx

a)

2.81922.8192

b)

2.94192.9419

c)

0.989760.98976

d)

0.93610.9361

8.

Evaluate y=06f(x)dx y=\int_0^6f\left(x\right)dx\ using Simpson's 1/3rd rule and 3/8th rule given that y(0)=1, y(1)=0.5, y(2)=0.2, y(3)=0.1, y(4)=0.0588, y(5)=0.0385, y(6)=0.027y\left(0\right)=1,\ y\left(1\right)=0.5,\ y\left(2\right)=0.2,\ y\left(3\right)=0.1,\ y\left(4\right)=0.0588,\ y\left(5\right)=0.0385,\ y\left(6\right)=0.027

a)

1.3662, 1.35711.3662,\ 1.3571

b)

1.4108, 1.36621.4108,\ 1.3662

c)

1.3571, 1.37351.3571,\ 1.3735

d)

1.4108, 1.37351.4108,\ 1.3735

9.

Which of the following is Unit 2?

a)

Finite Differences, Interpolation, and Numerical differentiation and Integration

b)

Interpolation, and Numerical differentiation and Integration

c)

Finite Differences, Numerical differentiation and Integration

d)

Finite Differences, Interpolation,differentiation and Integration

10.

Which of the following is/are the course outcomes with respect to Unit 2

a)

understand floating point numbers and the role of errors and its analysis in numerical methods.

b)

apply numerical methods to obtain approximate solutions to mathematical problems

c)

derive numerical methods for various mathematical operations, including interpolation, differentiation, and integration