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Chapter 2 Question 7ii
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TraceyB
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TraceyB
Chapter 2 Question 7ii
January 26, 2010 08:30PM
Registered: 15 years ago
Posts: 342
Rating: 0
Looking at the answer in the study guide, I don't see how reverse(y
1
y
2
...y
n
y
1
y
2
...y
n
y
1
y
2
...y
n
) would equal
y
n
y
n-1
...y
1
y
n
... y
1
y
n
... y
1
I understand that reverse(y
1
y
2
...y
n
) equals y
n
y
n-1
...y
1
but then shouldn't the entire reverse statement equal y
n
y
n-1
...y
1
y
n
y
n-1
...y
1
y
n
y
n-1
...y
1
?
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becked
Re: Chapter 2 Question 7ii
January 29, 2010 02:22PM
Registered: 18 years ago
Posts: 92
Rating: 0
Your reverse is the same as the reverse that is given in the guide.
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TraceyB
Re: Chapter 2 Question 7ii
January 30, 2010 09:25AM
Registered: 15 years ago
Posts: 342
Rating: 0
Thanks for replying.
The guide has ... y
n
... y
1
...
and mine has
... y
n
y
n-1
...y
1
...
can you leave out y
n-1
and it means the same thing?
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slow_eddy
Re: Chapter 2 Question 7ii
February 04, 2010 10:25PM
Registered: 15 years ago
Posts: 3,496
Rating: 1
Yours is clearer, but it all depends on your "audience" doesn't it? When you use ellipsis you're assuming the reader has some knowledge it would be tedious to set out in detail. Ellipsis notation is playing fast and loose with the objects.
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