Matrix.rb没有这样的文件Ruby 1.9.2

I have ruby 1.9.2 installed:

我安装了ruby 1.9.2：

alykhan@helium:~$ ruby -v
ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-linux]

But in irb when I try to require 'Matrix' I get an error as shown below:

但是当我尝试要求'Matrix'时，我会收到错误，如下所示：

alykhan@helium:~$ irb
irb(main):001:0> require 'Matrix'
LoadError: no such file to load -- Matrix
    from <internal:lib/rubygems/custom_require>:29:in `require'
    from <internal:lib/rubygems/custom_require>:29:in `require'
    from (irb):1
    from /usr/local/ruby/bin/irb:12:in `<main>'
irb(main):002:0>

Do i need to install a specific gem to get the Matrix lib?

我是否需要安装特定的gem才能获得Matrix lib？

1 个解决方案

#1

Use lowercase:

使用小写：

require 'matrix'