Matlab
6th Edition
ISBN: 9781119299257
Author: Amos Gilat
Publisher: WILEY CONS
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Textbook Question
Chapter 3, Problem 30P
Use the matrics A, B, and C from the previous problem to answer the following:
(a) Does A*B=B*A? (b) Does (B*C)-1=B-1*C-1?
(c) Does (A-1)t=(A t) -1? (tmeans transpose) (d) Does (A+B)t=At+Bt?
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Question 3
The following stem-and-leaf displays the weekly salary of employees at this firm.
Stem-and-Leaf Display
Leaf Unit = 10.0
N=x
5
3 00123
12 4 0125888
(y)
5 11234456777
z
6 13568
5
7 154
2
8 46
i.
Determine the value of x, y and z.
[3]
ii. What is the value of the median?
[2]
iii.
Find the mode of this data set.
iv.
Calculate the range
[1]
[2]
Let Y be a continuous RV with PDF
otherwise
Find the CDF, Fry), of Y .
Find an expression for pth, p € (0, 1), quantile of the distribution.
Find E(Y) and V(Y).
Find E(-2Y + 1) and V(-3Y - 2).
Find E(Y3).
Let X be a continuous RV with CDF
Find P(X < 0), P(-1 < X < 1) and P(0.5 < X).
Based on your answers to the above questions, what is the median of the distribu-tion? Why
Find the PDF, fx (x), of X.
Chapter 3 Solutions
Matlab
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Ch. 3 - The following vector is defined in MATLAB: d=[2 4...Ch. 3 - The following two vectors are defined in MATLAB:...Ch. 3 - Define the vector v= [1 3 5 7]. Then use the...Ch. 3 - Define the vector v=[5 4 3 2]. Then use the vector...Ch. 3 - Define x and y as the vectors x= [0.5, 1, 1.5, 2,...Ch. 3 - Define r and s as scalars r = 1.6 × 103 and s =...Ch. 3 - The area of a triangle ABC can be calculated by...Ch. 3 - Prob. 18PCh. 3 - The center of mass, ( x , y, z). of n particles...Ch. 3 - Prob. 20PCh. 3 - The maximum distance s and the maximum height h...Ch. 3 - Use MATLAB to show that the sum of the infinite...Ch. 3 - Use MATLAB to show that the sum of the infinite...Ch. 3 - The natural exponential function can be expressed...Ch. 3 - Show that limx/3sin(x/3)4cos2x1=36 . Do this by...Ch. 3 - Show that limx05sin(6x)4x=7.5. Do this by first...Ch. 3 - The Hazen Williams equation can be used to...Ch. 3 - The monthly lease payment. Pmt, of a new car can...Ch. 3 - Create the following three matrices: A= 537206489...Ch. 3 - Use the matrics A, B, and C from the previous...Ch. 3 - Create a 33 matrix A having random integer values...Ch. 3 - The magic square is an arrangement of numbers in a...Ch. 3 - Solve the following system of three linear...Ch. 3 - Solve the following system of six linear...Ch. 3 - A football stadium has 100.000 seats. In a game...Ch. 3 - A food company manufactures five types of 8-oz...Ch. 3 - The electrical circuit shown consists of resistors...
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