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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
9 lines
433 B
Ruby
9 lines
433 B
Ruby
require File.expand_path('../../../../spec_helper', __FILE__)
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require 'matrix'
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describe "Matrix::EigenvalueDecomposition#eigenvalue_matrix" do
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it "returns a diagonal matrix with the eigenvalues on the diagonal" do
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Matrix[[14, 16], [-6, -6]].eigensystem.eigenvalue_matrix.should == Matrix[[6, 0],[0, 2]]
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Matrix[[1, 1], [-1, 1]].eigensystem.eigenvalue_matrix.should == Matrix[[Complex(1,1), 0],[0, Complex(1,-1)]]
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end
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end
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