sech.md (869B)
1 <!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. --> 2 3 # Function sech 4 5 Calculate the hyperbolic secant of a value, 6 defined as `sech(x) = 1 / cosh(x)`. 7 8 For matrices, the function is evaluated element wise. 9 10 11 ## Syntax 12 13 ```js 14 math.sech(x) 15 ``` 16 17 ### Parameters 18 19 Parameter | Type | Description 20 --------- | ---- | ----------- 21 `x` | number | Complex | Unit | Array | Matrix | Function input 22 23 ### Returns 24 25 Type | Description 26 ---- | ----------- 27 number | Complex | Array | Matrix | Hyperbolic secant of x 28 29 30 ### Throws 31 32 Type | Description 33 ---- | ----------- 34 35 36 ## Examples 37 38 ```js 39 // sech(x) = 1/ cosh(x) 40 math.sech(0.5) // returns 0.886818883970074 41 1 / math.cosh(0.5) // returns 0.886818883970074 42 ``` 43 44 45 ## See also 46 47 [cosh](cosh.md), 48 [csch](csch.md), 49 [coth](coth.md)