Roots of a function: Difference between revisions
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m (→{{header|Sidef}}: updated code) |
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=={{header|Sidef}}== |
=={{header|Sidef}}== |
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<lang ruby>func f(x) { |
<lang ruby>func f(x) { |
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x*x*x - 3*x*x + 2*x |
x*x*x - 3*x*x + 2*x |
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} |
} |
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var step = 0.001 |
var step = 0.001 |
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var start = -1 |
var start = -1 |
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var stop = 3 |
var stop = 3 |
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range(start+step, stop, step) |
for x in range(start+step, stop, step) { |
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static sign = false |
static sign = false |
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given (var value = f(x)) { |
given (var value = f(x)) { |
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when (0) { |
when (0) { |
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say "Root found at #{x}" |
say "Root found at #{x}" |
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} |
} |
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case (sign && ((value > 0) |
case (sign && ((value > 0) != sign)) { |
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say "Root found near #{x}" |
say "Root found near #{x}" |
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} |
} |
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} |
} |
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sign = value>0 |
sign = value>0 |
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}</lang> |
}</lang> |
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{{out}} |
{{out}} |
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