---
title: mtx_cos
description: cosine (cos) of each element of a matrix
categories:
- object
pdcategory: Element Math
see_also:
- mtx_sin
- mtx_tan
- mtx_atan
- mtx_atan2
inlets:
  1st:
  - type: matrix
    description: input
outlets:
  1st:
  - type: matrix
    description: output
---
$$B_{m\times n} = \cos^\circ (A_{m\times n}) \quad \equiv \quad b_{ij} = \cos(a_{ij})$$
