| 单词 | higher derivative |
| 释义 | higher derivative Similarly, if f″ is differentiable, then f‴(x) or d3f/dx3, the third derivative of f at x, can be formed, and so on. The nth derivative of f at x is denoted by f(n)(x) or dnf/dxn. The nth derivatives, for n ≥ 2, are called the higher derivatives of f. When y = f(x), the higher derivatives may be denoted by d2y/dx2,…, dny/dxn or y″, y‴,…, y(n). |
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