MATLAB Function Reference |

**Syntax**

**Description**

The `csch`

function operates element-wise on arrays. The function's domains and ranges include complex values. All angles are in radians.

```
Y = csch(x)
```

returns the hyperbolic cosecant for each element of `x`

.

**Examples**

Graph the hyperbolic cosecant over the domains and .

**Definition**

The hyperbolic cosecant can be defined as

**Algorithm**

`csch`

uses FDLIBM, which was developed at SunSoft, a Sun Microsystems, Inc. business, by Kwok C. Ng, and others. For information about FDLIBM, see http://www.netlib.org.

**See Also**

cscd | csvread |

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