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mathjs/src/function/arithmetic/cube.js at develop · siapble/mathjs · GitHub
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mathjs
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src
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function
/
arithmetic
/
cube.js
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mathjs
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src
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function
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arithmetic
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cube.js
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'use strict'
const
deepMap
=
require
(
'../../utils/collection/deepMap'
)
function
factory
(
type
,
config
,
load
,
typed
)
{
/**
* Compute the cube of a value, `x * x * x`.
* For matrices, the function is evaluated element wise.
*
* Syntax:
*
* math.cube(x)
*
* Examples:
*
* math.cube(2) // returns number 8
* math.pow(2, 3) // returns number 8
* math.cube(4) // returns number 64
* 4 * 4 * 4 // returns number 64
*
* math.cube([1, 2, 3, 4]) // returns Array [1, 8, 27, 64]
*
* See also:
*
* multiply, square, pow, cbrt
*
*
@param
{
number | BigNumber | Fraction | Complex | Array | Matrix | Unit
} x Number for which to calculate the cube
*
@return
{
number | BigNumber | Fraction | Complex | Array | Matrix | Unit
} Cube of x
*/
const
cube
=
typed
(
'cube'
,
{
'number'
:
function
(
x
)
{
return
x
*
x
*
x
}
,
'Complex'
:
function
(
x
)
{
return
x
.
mul
(
x
)
.
mul
(
x
)
// Is faster than pow(x, 3)
}
,
'BigNumber'
:
function
(
x
)
{
return
x
.
times
(
x
)
.
times
(
x
)
}
,
'Fraction'
:
function
(
x
)
{
return
x
.
pow
(
3
)
// Is faster than mul()mul()mul()
}
,
'Array | Matrix'
:
function
(
x
)
{
// deep map collection, skip zeros since cube(0) = 0
return
deepMap
(
x
,
cube
,
true
)
}
,
'Unit'
:
function
(
x
)
{
return
x
.
pow
(
3
)
}
}
)
cube
.
toTex
=
{
1
:
`\\left(\${args[0]}\\right)^3`
}
return
cube
}
exports
.
name
=
'cube'
exports
.
factory
=
factory
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