拐點(diǎn)是二階導(dǎo)數(shù)為零的點(diǎn)嗎

2025-12-10

拐點(diǎn)不一定是二階導(dǎo)數(shù)為零的點(diǎn)。函數(shù)y=f(x)的圖形的凹凸分界點(diǎn)稱為圖形的拐點(diǎn)。拐點(diǎn)只可能是兩種點(diǎn)：二階導(dǎo)數(shù)為零的點(diǎn)或二階導(dǎo)數(shù)不存在的點(diǎn)...