Aly*_*Aly 4 ruby gem matrix ruby-1.9 ruby-1.9.2
我安装了ruby 1.9.2:
alykhan@helium:~$ ruby -v
ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-linux]
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但是当我尝试require 'Matrix'我收到错误时,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>
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我是否需要安装特定的gem才能获得Matrix lib?
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