4 lines
136 B
Ruby
4 lines
136 B
Ruby
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require 'matrix'
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p Matrix.identity(5)
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# => Matrix[[1, 0, 0, 0, 0], [0, 1, 0, 0, 0], [0, 0, 1, 0, 0], [0, 0, 0, 1, 0], [0, 0, 0, 0, 1]]
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