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-# Matrix [![Version](https://badge.fury.io/rb/matrix.svg)](https://badge.fury.io/rb/matrix) [![Default Gem](https://img.shields.io/badge/stdgem-default-9c1260.svg)](https://stdgems.org/matrix/)
+# Matrix [![Version](https://badge.fury.io/rb/matrix.svg)](https://badge.fury.io/rb/matrix) [![Default Gem](https://img.shields.io/badge/stdgem-default-9c1260.svg)](https://stdgems.org/matrix/)  [![Travis](https://travis-ci.com/ruby/matrix.svg)](https://travis-ci.com/ruby/matrix)
 
 An implementation of `Matrix` and `Vector` classes.