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

Authored by V PUNEETH

Mathematics

University

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

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1.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

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.

y4−4y3+6y2−4y1+y0y_4-4y_3+6y_2-4y_1+y_0

y4+4y3−6y2+4y1−y0y_4+4y_3-6y_2+4y_1-y_0

y4−6y3+4y2−6y1+y0y_4-6y_3+4y_2-6y_1+y_0

y4−4y3+6y2+4y1−y0y_4-4y_3+6y_2+4y_1-y_0

2.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

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

y3+3y2−3y1+y0y_3+3y_2-3y_1+y_0

y3−y2+y1−y0y_3-y_2+y_1-y_0

y3−3y2+3y1−y0y_3-3y_2+3y_1-y_0

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

3.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

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

x2−5x−12x^2-5x-12

x2−5x+12x^2-5x+12

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

x2−5x+10x^2-5x+10

4.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

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?

0.00020.0002

0.0020.002

0.000020.00002

0.0000020.000002

5.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

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 .

1.831.83

1.861.86

1.891.89

1.811.81

6.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

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

0.09960.0996

0.0070.007

0.9960.996

0.00990.0099

7.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

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

2.81922.8192

2.94192.9419

0.989760.98976

0.93610.9361

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