參考大學(xué)微積分二,例如
z=2x^2+y^2
Dz/Dy=2y
Dz/Dx=4x
求x的把y看成自然數(shù),求y的把x看作自然數(shù)
請(qǐng)問(wèn)偏導(dǎo)數(shù)如何計(jì)算?
請(qǐng)問(wèn)偏導(dǎo)數(shù)如何計(jì)算?
其他人氣：723 ℃時(shí)間：2020-09-20 09:09:41
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