240
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Interval package: Difference between revisions
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→Matrix operations: Again, did some correctness and accuracy changes to the code
m (→Matrix operations: Simplified construction of interval matrix) |
(→Matrix operations: Again, did some correctness and accuracy changes to the code) |
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B = 3×3 interval matrix | B = 3×3 interval matrix | ||
[0] [.25] | [0] [.25] [-1.5, 0] | ||
[.5] [-.125] | [.5] [-.125] [-1.5, -.75] | ||
[0] [0] | [0] [0] [1] | ||
octave:3> A * B | octave:3> A * B | ||
ans = 3×3 interval matrix | ans = 3×3 interval matrix | ||
[1] [0] [-. | [1] [0] [-1.5, +1.5] | ||
[0] [1] [-6, +6] | [0] [1] [-6, +6] | ||
[0] [0] [1] | [0] [0] [1] | ||
| Line 271: | Line 271: | ||
c ⊂ 3×1 interval vector | c ⊂ 3×1 interval vector | ||
[.18333333333333323, . | [.18333333333333323, .18333333333333344] | ||
[.43333333333333318, . | [.43333333333333318, .43333333333333346] | ||
[. | [.18333333333333323, .18333333333333344] | ||
octave:6> A * c | octave:6> A * c | ||
ans ⊂ 3×1 interval vector | ans ⊂ 3×1 interval vector | ||
[2. | [2.9999999999999982, 3.0000000000000018] | ||
[3.9999999999999982, 4.0000000000000018] | [3.9999999999999982, 4.0000000000000018] | ||
[4.9999999999999973, 5. | [4.9999999999999973, 5.0000000000000018] | ||
==== Notes on linear systems ==== | ==== Notes on linear systems ==== | ||