Example NumMatrix map 010

 

 

Description

This example defines a NumMatrix and applies the add1 function to each element of the NumMatrix using the map function.

 

Details

A NumMatrix is defined.

(define Scores #(nummat| 5 8 4 9 ) ) Returns: #<NumMatrix 123456>

Increments the values by one.

(setq NewScores (map add1 Scores)) Returns: #<NumMatrix 123456>

Alternatively, the loop form may have been used

(define Scores #(nummat| 5 8 4 9 ) ) (setq NewScores (copy Scores ) ) (loop for n from 0 until (length NewScores) by 1 do
(setq NewScores[n] (add1 NewScores[n]) ) )
 		Returns: 4

Displays the resulting NumMatrix whether the map function or the loop form is used.

NewScores[0] Returns: 6
NewScores[1] Returns: 9
NewScores[2] Returns: 5
NewScores[3] Returns: 10

Notes and Hints

Note, in this example that a copy was made, and the argument {proc}, add1, was applied to each member in the copy of the NumMatrix. The Scores NumMatrix is left untouched, because the map function is non-destructive. Also note, the return value from the loop is the number of iterations performed. In this case, it is the number 4.

 

Related Examples

Here are examples of the map function at work.

Dictionary map 002 Directory map 003 FltVector map 005 IntVector map 006
Matrix map 006 Matrix map 007 NumMatrix map 010 NumVector map 007
Pair map 008 ShortVector map 007 Structure map 001 Vector map 004

 

Function Links

Here is the link to the current function used in this example.

map

Here are a number of links to other related functions.

mapc(#void) new(#void)

 

Argument Types

Here are the links to the data types of the arguments used in this example.

NumMatrix

Here are a number of links to examples having similar argument types.

Dictionary isDictionary 001 Matrix isNumberMatrix 001 Matrix objectToMatrix 001 Matrix objectToNumMatrix 001
Matrix reverse 002 NumMatrix addMethod 027 NumMatrix append 012 NumMatrix apply 009
NumMatrix binaryInsert 007 NumMatrix binarySearch 007 NumMatrix compare 023 NumMatrix compareEQ 023
NumMatrix compareGE 023 NumMatrix compareGT 023 NumMatrix compareLE 023 NumMatrix compareLT 023
NumMatrix compareNE 023 NumMatrix comparison functions 023 NumMatrix copy 011 NumMatrix count 009
NumMatrix defmethod 024 NumMatrix delete 014 NumMatrix insert 009 NumMatrix inside 009
NumMatrix isAtom 012 NumMatrix isEqual 020 NumMatrix isIdentical 020 NumMatrix isNumberMatrix 001
NumMatrix isObject 014 NumMatrix isType 022 NumMatrix length 017 NumMatrix makeGaussianMatrix 001
NumMatrix map 010 NumMatrix mapc 009 NumMatrix member 009 NumMatrix methodsOf 024
NumMatrix new 015 NumMatrix rank 002 NumMatrix ref 035 NumMatrix remove 008
NumMatrix resize 011 NumMatrix reverse 004 NumMatrix send 027 NumMatrix setCdr 013
NumMatrix setLastCdr 012 NumMatrix sizeof 028 NumMatrix sort 020 NumMatrix type 025
NumMatrix uniqueInsert 005 NumMatrix vectorFill 008 String isChar 001 String isCharAlphabetic 001
String isCharAlphanumeric 001 String isCharLowercase 001 String isCharName 001 String isCharNumeric 001
String isCharUppercase 001 String isCharWhitespace 001 String isEqual 001 String isEqual 002
String isObject 001 String isString 001 String isText 001 String isType 001
String isType 002 String isType 003 String sizeof 001 String string 001
String string 002 String string 003 String type 001 Symbol isCharName 002
Symbol isCharNumeric 002 Symbol isObject 002 Symbol isSymbol 001 Symbol isType 004
Symbol sizeof 002 Symbol type 002

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