Sub

 

 

Overview

The - Function returns the difference of its arguments. If the argument list contains only one argument, - returns its negative.

Complex

The - function subtracts forms the difference between a variety of numeric data types and a complex number as shown in the examples below.

Usage

The - function is used whenever it is necessary to compute the difference of a set of Numbers.

Complex

The - function is used to form the difference between numeric data types where at least one of the subtrahends is complex. Do not use if an immediate type, such as a real number, would suffice. Since complex numbers are heap objects, they require more space and operations on these types are slower than on immediate types.

 

Syntax

Expression:

(- num ...)

Arguments Name Type Description
Argument:num ... Number One or more Numbers

Returns:

Computes the difference of all the Numbers in the argument list.If the argument list contains only one argument, - function returns the negative of the Number


Expression:

(- num ...)

Arguments Name Type Description
Argument:num ... Number One or more Numbers

Returns:

A numeric complex number holding the value of N1 less than the value of N2, N3, etc.


 

Examples

Here are a number of links to Lambda coding examples which contain this instruction in various use cases.

 

Argument Types

Here are the links to the data types of the function arguments.

Number Integer Complex

Here are also a number of links to functions having arguments with any of these data types.

++ += + /=
/ * -- -=
- abs acos add1
addMethod addi argument arithmetic
asin atan avg badd
balance bdiv binaryInsert binaryNand
binaryNor binaryNot binaryNxor binarySearch
bitwiseAnd bitwiseNand bitwiseNor bitwiseNot
bitwiseNxor bitwiseOr bitwiseShiftLeft bitwiseShiftRight
bitwiseXor bmod bmul boolean
cadd cdiv char character
cmod cmul code compareEQ
compareGE compareGT compareLE compareLT
compareNE compare complex conjugate
cons cos cosh count
csub date day days360
debugDetective decode deg deleteRows
delete display divi evalInSyncLocalContext
exit exp exportCsv exportSbf
exportTab expt fact fdisplay
fileClose fileCopy fileDisplay fileErase
fileOpen fileReadRecord fileRead fileResize
fileSeek fileWrite filewriteln findBlock
find floor fraction freeBlock
gcd getRecursionCount getTickCount hashString
hour iadd icompareEQ icompareGE
icompareGT icompareLE icompareLT icompareNE
idiv imaginary imod importCsv
importSbf importTab imul insertRows
insert inside inspect integer
isAtom isBitVector isBoolean isBound
isByteVector isChar isCharacter isComplex
isDate isDictionary isDirectory isEqual
isError isEven isExact isFloatVector
isIdentical isInexact isInside isIntegerVector
isInteger isLambda isMatrix isMember
isMoney isNegative isNull isNumberMatrix
isNumberVector isNumber isObjectVector isObject
isOdd isPair isPcodeVector isPositive
isString isStructure isSymbol isText
isType isVector isZero isub
julian kurtosis lcm left
length list log10 log2
log logbase macroReplace makeQuotedList
max median member mid
min minute mod modi
money month muli nadd
ncompareEQ ncompareGE ncompareGT ncompareLE
ncompareLT ncompareNE ndiv new
nmod nmul now nsub
number objectToMatrix objectToNumMatrix objectToNumVector
pair parent parse pi
preAllocateFixedMemoryBlocks product qt rad
random randomize range rank
real refAttributes refValues ref
remove replace rept resize
right round saveObject saveRepository
second setAttributes setBlock setCar
setCdr setLastCdr setq sigmoid
sign sin sinh sizeof
skew sleep sort sql
sqrt srandom stdev stdevp
string sub1 subi submit
substitute substring sum sumsqr
svmRegression system tan tanh
text time type uniqueInsert
var varp vectorBinaryInnerProduct vectorBipolarInnerProduct
vectorCosineInnerProduct vectorCubeInnerProduct vectorDelete vectorExpInnerProduct
vectorFill vectorInnerProduct vectorLogInnerProduct vectorQuartInnerProduct
vectorQuintInnerProduct vectorSigmoidInnerProduct vectorSineInnerProduct vectorSquareInnerProduct
vectorTanInnerProduct vectorTanhInnerProduct writelg writeln
year

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