MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Chapter 7, Problem 24P
The harmonic
Write a user-defined
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II Consider the following data matrix X:
X1
X2
0.5
0.4
0.2 0.5
0.5
0.5
10.3 10
10.1 10.4
10.1
10.5
What will the resulting clusters be when using the k-Means method with k = 2. In your own words, explain why this result is
indeed expected, i.e. why this clustering minimises the ESS map.
why the answer is 3 and 10?
PS
9 Two films are shown on screen A and screen B at a cinema each evening. The numbers
of people viewing the films on 12 consecutive evenings are shown in the back-to-back
stem-and-leaf diagram.
Screen A (12) Screen B (12)
8
037
34
7 6 4 0 534
74 1645678
92 71689
Key: 116|4 represents 61 viewers for A and 64 viewers for B
A second stem-and-leaf diagram (with rows of the same width as the previous diagram)
is drawn showing the total number of people viewing films at the cinema on each of
these 12 evenings. Find the least and greatest possible number of rows that this second
diagram could have.
TIP
On the evening when 30 people viewed films on screen A, there could have been as few
as 37 or as many as 79 people viewing films on screen B.
Chapter 7 Solutions
MATLAB: An Introduction with Applications
Ch. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - In the U.S. fuel efficiency of cars is specified...Ch. 7 - Pressure in U.S. customary units is measured in...Ch. 7 - Tables of material properties list density, in...Ch. 7 - Write a user-defined MATLAB function that converts...Ch. 7 - The body surface area (BSA) in m2 of a person...Ch. 7 - The fuel tank shown in the figure in shad as a...Ch. 7 - A paper cup is designed to have a geometry of a...Ch. 7 - The relative humidity, RH, at sea level can be...
Ch. 7 - Write a user-defined function that calculates...Ch. 7 - Write a user-defined MATLAB function that...Ch. 7 - Write a user-defined MATLAB function that...Ch. 7 - Write a user-defined MATLAB function that...Ch. 7 - Prob. 15PCh. 7 - The area of a triangle ABC can be calculated by:...Ch. 7 - As shown in the figure, the area of a convex...Ch. 7 - Write a user-defined function that determines the...Ch. 7 - Write a user-defined MATLAB function that converts...Ch. 7 - Write a user-defined function that plots a...Ch. 7 - Write a user-defined function that plots an...Ch. 7 - Prob. 22PCh. 7 - Write a user-defined function that determines if a...Ch. 7 - The harmonic mean H of a set of n positive numbers...Ch. 7 - Write a user-defined function that determines the...Ch. 7 - Write a user-defined function that determines the...Ch. 7 - Write a user-defined function that sorts the...Ch. 7 - Write a user-defined function that sorts the...Ch. 7 - Write a user-defined MATLAB function that finds...Ch. 7 - Write a user-defined MATLAB function that...Ch. 7 - The shortest distance between two points on the...Ch. 7 - Delta rosette is a set of three strain gages...Ch. 7 - In a lottery the player has to select several...Ch. 7 - 34. The Taylor series expansion for sin x about x...Ch. 7 - Write a user-defined function that determines the...Ch. 7 - The area moment of inertia Ixe of a rectangle...Ch. 7 - The simple RC high-pass filter shown in the figure...Ch. 7 - A circuit that filters out a certain frequency is...Ch. 7 - The first derivative df(x)dx a function f(x) at a...Ch. 7 - In lottery the player has to guess correctly r...
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