subtract.md (1216B)
1 <!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. --> 2 3 # Function subtract 4 5 Subtract two values, `x - y`. 6 For matrices, the function is evaluated element wise. 7 8 9 ## Syntax 10 11 ```js 12 math.subtract(x, y) 13 ``` 14 15 ### Parameters 16 17 Parameter | Type | Description 18 --------- | ---- | ----------- 19 `x` | number | BigNumber | Fraction | Complex | Unit | Array | Matrix | Initial value 20 `y` | number | BigNumber | Fraction | Complex | Unit | Array | Matrix | Value to subtract from `x` 21 22 ### Returns 23 24 Type | Description 25 ---- | ----------- 26 number | BigNumber | Fraction | Complex | Unit | Array | Matrix | Subtraction of `x` and `y` 27 28 29 ### Throws 30 31 Type | Description 32 ---- | ----------- 33 34 35 ## Examples 36 37 ```js 38 math.subtract(5.3, 2) // returns number 3.3 39 40 const a = math.complex(2, 3) 41 const b = math.complex(4, 1) 42 math.subtract(a, b) // returns Complex -2 + 2i 43 44 math.subtract([5, 7, 4], 4) // returns Array [1, 3, 0] 45 46 const c = math.unit('2.1 km') 47 const d = math.unit('500m') 48 math.subtract(c, d) // returns Unit 1.6 km 49 ``` 50 51 52 ## See also 53 54 [add](add.md)