josdejong/mathjs

Nested derivatives fail

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#3,528 opened on 2025/09/08

 (3 件のコメント) (0 件のリアクション) (0 人の担当者)JavaScript (1,314 件のフォーク)batch import
bughelp wanted

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説明

Describe the bug mathJs evaluates this derivative correctly: derivative('x * e^x', "x") // returns "e ^ x * (x + 1)"

however, if the expression to be differentiated is involves another derivative mathJs returns an incorrect answer: derivative('x * derivative("e^x", "x")', "x") // returns "e^x"

To Reproduce enter expression in mathJs demo window: derivative('x * derivative("e^x", "x")', "x")

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