"Mì-fûn-ho̍k" siû-thin kiên ke chhâ-phe̍t
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se-mì無編輯摘要 |
無編輯摘要 |
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Thi 1 hàng:
[[File:Sentido_geometrico_del_diferencial_de_una_funcion.png|right|thumb|
'''Mì-fûn-ho̍k''' (Differential of a function) he thûng-ko [[thô-sú]] lâu [[mì-fûn]] lòi [[ngièn-kiu]] [[Khiuk-sien Chhià-sut]], [[Kâ-suk-thu]], [[Chui-thai Chhṳ̍t]] lâu [[Chui-séu Chhṳ̍t]] ke yit-mùn ho̍k-khô. Mì-fûn-ho̍k ke chok-yung chhai yî mèu-shu̍t lióng-ke pien-sú chṳ̂-kiên ke pien-fa kôan-he, thûng-sòng yung lióng-ke pien-sú ke mì-fûn sông ke hâm-sú lòi mèu-shu̍t yit-ke hâm-sú ke pien-fa tshi-sṳ, ya chhṳ̂n-vì "mì song" fe̍t "khiù-thô", thûng-sòng ki-chok {{smallmath|f= \frac{\mathrm{d}y}{\mathrm{d}x} }}.
==Chú-yeu khói-ngiam==
:<math>dy = f'(x)\,dx,</math>
:<math>dy = \frac{dy}{dx}\, dx</math>
:<math>df(x) = f'(x)\,dx.</math>
[[Category:Sú-ho̍k]]
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