Roots of a function: Difference between revisions
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x=3.41163901914009663684741869855524128445594290948999288901864b-1 - 1.16154139999725193608791768724717407484314725802151429063617b0*%i, |
x=3.41163901914009663684741869855524128445594290948999288901864b-1 - 1.16154139999725193608791768724717407484314725802151429063617b0*%i, |
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x=-6.82327803828019327369483739711048256891188581897998577803729b-1]</lang> |
x=-6.82327803828019327369483739711048256891188581897998577803729b-1]</lang> |
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=={{header|Nim}}== |
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<lang nim>import math |
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import strformat |
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func f(x: float): float = x ^ 3 - 3 * x ^ 2 + 2 * x |
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var step = 0.01 |
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var start = -1.0 |
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var stop = 3.0 |
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var sign = f(start) > 0 |
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var x = start |
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while x <= stop: |
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var value = f(x) |
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if value == 0: |
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echo fmt"Root found at {x:.5f}" |
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elif (value > 0) != sign: |
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echo fmt"Root found near {x:.5f}" |
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sign = value > 0 |
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x += step</lang> |
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{{out}} |
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<pre> |
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Root found near 0.00000 |
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Root found near 1.00000 |
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Root found near 2.00000 |
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</pre> |
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=={{header|Objeck}}== |
=={{header|Objeck}}== |
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