Roots of a function: Difference between revisions
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This is a slightly optimized version of the '''F''' function. |
This is a slightly optimized version of the '''F''' function. |
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<br><br>When doing thousands of evaluations, every little bit helps. |
<br><br>When doing thousands of evaluations, every little bit helps. |
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<lang rexx>/*──────────────────────────────────F |
<lang rexx>/*──────────────────────────────────F function────────────────────────────────*/ |
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f: procedure; parse arg x; x2=x*x; return x*x2 - 3*x2 + x+x</lang> |
f: procedure; parse arg x; x2=x*x; return x*x2 - 3*x2 + x+x</lang> |
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=={{header|RLaB}}== |
=={{header|RLaB}}== |
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