Roots of a function: Difference between revisions
Content added Content deleted
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func f(x: float): float = x ^ 3 - 3 * x ^ 2 + 2 * x |
func f(x: float): float = x ^ 3 - 3 * x ^ 2 + 2 * x |
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var step = 0.01 |
var step = 0.01 |
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var start = -1.0 |
var start = -1.0 |
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var stop = 3.0 |
var stop = 3.0 |
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var sign = f(start) > 0 |
var sign = f(start) > 0 |
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| ⚫ | |||
| ⚫ | |||
while x <= stop: |
while x <= stop: |
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var value = f(x) |
var value = f(x) |
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if value == 0: |
if value == 0: |
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echo fmt"Root found at {x:.5f}" |
echo fmt"Root found at {x:.5f}" |
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elif (value > 0) != sign: |
elif (value > 0) != sign: |
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echo fmt"Root found near {x:.5f}" |
echo fmt"Root found near {x:.5f}" |
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sign = value > 0 |
sign = value > 0 |
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x += step</lang> |
x += step</lang> |
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