Interval package: Difference between revisions

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8 bytes removed ,  9 November 2014
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→‎Matrix operations: Simplified construction of interval matrix
m (→‎Matrix operations: Simplified construction of interval matrix)
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''Technical background information: The interval package simulates a [http://books.google.de/books?hl=de&id=I7X9EVfeV5EC&q=accumulator Kulisch accumulator] in software to produce tightly rounded results for vector and matrix operations.''
''Technical background information: The interval package simulates a [http://books.google.de/books?hl=de&id=I7X9EVfeV5EC&q=accumulator Kulisch accumulator] in software to produce tightly rounded results for vector and matrix operations.''
  octave:1> A = infsup ([1, 2, 3; 4, 0, 0; 0, 0, 1], [1, 2, 3; 4, 0, 6; 0, 0, 1])
  octave:1> A = infsup ([1, 2, 3; 4, 0, 0; 0, 0, 1]); A (2, 3) = "[0, 6]"
  A = 3×3 interval matrix
  A = 3×3 interval matrix
   
   
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