# areaquad

Surface area of latitude-longitude quadrangle

## Syntax

## Description

## Examples

## Input Arguments

## Output Arguments

## More About

## Algorithms

The

`areaquad`

function uses spherical geometry and returns exact calculations.When you specify

`ellipsoid`

as a nonspherical ellipsoid, the function converts the latitude data to the auxiliary authalic sphere.

## Version History

**Introduced before R2006a**