Haskell The "scalar product" of two lists of integers "xs" and "ys" of length "n" is given by the sum of the products of corresponding integers in slide 21 for chapter 5. In a similar manner to "chisqr" (below), show how a list comprehension can be used to define a function "scalarproduct :: [Int] -> [Int] -> Int" that returns the scalar product of two lists. For example (in GHCi): > scalarproduct [1,2,3] 14,5,6] 32 Note that the mathematical equation for computing the "chi-square statistic" at the beginning of subsection "Cracking the cipher" in section 5.5 of the Haskell textbook
Haskell The "scalar product" of two lists of integers "xs" and "ys" of length "n" is given by the sum of the products of corresponding integers in slide 21 for chapter 5. In a similar manner to "chisqr" (below), show how a list comprehension can be used to define a function "scalarproduct :: [Int] -> [Int] -> Int" that returns the scalar product of two lists. For example (in GHCi): > scalarproduct [1,2,3] 14,5,6] 32 Note that the mathematical equation for computing the "chi-square statistic" at the beginning of subsection "Cracking the cipher" in section 5.5 of the Haskell textbook
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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Haskell
The "scalar product" of two lists of integers "xs" and
"ys" of length
"n" is given by the sum of the products of
corresponding integers in
slide 21 for chapter 5. In a similar manner to
"chisqr" (below), show
how a list comprehension can be used to define a
function
"scalarproduct :: [Int] -> [Int] -> Int" that returns the
scalar
product of two lists. For example (in GHCi):
> scalarproduct [1,2,3] 14,5,6]
32
Note that the mathematical equation for computing
the "chi-square
statistic" at the beginning of subsection "Cracking the
cipher" in
section 5.5 of the Haskell textbook is literally
"zipping" a pair of
lists "oe" and "es", and can hence be represented in
Haskell as:
chisqr :: [Float] -> [Float] -> Float
chisqr os es = sum ((o-e) ^2)/e | (o,e)
Transcribed Image Text:(3) The scalar product of two lists of integers xs
and ys of length n is give by the sum of the
products of the corresponding integers:
n-1
Σ(xs₁ * ys₁ )
i=0
Using a list comprehension, define a function
that returns the scalar product of two lists.
21
![(2) A positive integer is perfect if it equals the sum
of all of its factors, excluding the number itself.
Using a list comprehension, define a function
perfects :: Int → [Int]
that returns the list of all perfect numbers up
to a given limit. For example:
> perfects 500
[6,28,496]
20](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3b8f61c3-b57f-4943-8538-4e0823d8c6e6%2Fcee6d29e-6048-4d5b-8c35-6d3683051618%2F62eb7w_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(2) A positive integer is perfect if it equals the sum
of all of its factors, excluding the number itself.
Using a list comprehension, define a function
perfects :: Int → [Int]
that returns the list of all perfect numbers up
to a given limit. For example:
> perfects 500
[6,28,496]
20
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