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Published on 2010-03-11T02:12:40Z
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please anybody having travelling salesman problem solution in Standard ML, plz tell me.
I've tried a lot but am not successfull...
Thx in advance.
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I have this below function and it works
(fn x => x * 2) 2;
but for this below one, it is not working
(fn x y => x + y ) 2 3;
can anyone tell me why? or help give me some hint to get it to work.
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how do i prompt for user input in a running function?
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i need help enumerating all possible combinations of length n given a list of strings.
example, if my list was ["r","b","g"] and int 2
answer:
r r,
r b,
r g,
b r,
b b,
b g,
g r,
g b,
g g,
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I wonder how people handle nonexhaustive match warnings in the SML/NJ compiler. For example, I may define a datatype
datatype DT = FOO of int | BAR of string
and then have a function that I know only takes FOOs
fun baz (FOO n) = n + 1
The compiler will give a warning
stdIn:1.5-1.24 Warning:…
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please anybody having travelling salesman problem solution
in Standard ML, plz tell me.
I've tried a lot but am not successfull...
Thx in advance.
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;; structure representing homework points
;; nr: number - the number of the homework
;; points: number - the number of points reached
(define-struct homework (nr points))
;; parse-homework: (list of number pairs) -> (list of homework)
;; The procedure takes a list of number pairs and produces…
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Okay so I have started a new language in class. We are learning Scheme and i'm not sure on how to do it. When I say learning a new language, I mean thrown a homework and told to figure it out. A couple of them have got me stumped.
My first problem is:
Write a Scheme function that returns true (the…
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I'm very new to Unix, and currently taking a class learning the basics of the system and its commands.
I'm looking for a single command line to list off all of the user home directories in alphabetical order from the /etc/passwd directory. This applies only to the home directories, and not the contents…
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Hi,
For a school project i need to write or use a online programming editor. It is a part of a bigger project. I thought of a java application, php/html/javascript or flash.
I have a couple of things i could do:
Find a good working application and edit it so it works with the rest of the project
Find…
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Consider a disk file containing 100 records
a. How many comparisons would be required on the average to find a record using sequential search, if the record is known to be in the file?
I figured out that this is 100/2 = 50.
b. If the record has a 68% probability of being in the file, how many comparisons…
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