分离变量的可行性

hbghlyj · Posted at 2021-4-15 20:52:31

Last edited by hbghlyj at 2023-5-9 17:19:00例如$a+b+c=2c+2d⇔a+b=c+2d$
但$a(b+d)=c$能否等价于$f(a,b)=g(c,d)$的形式呢？$a(b+d)=bc$呢？其中$f,g$是$\mathbb R^2\to\mathbb R$函数.

hbghlyj · Posted at 2022-11-22 03:21:57

Last edited by hbghlyj at 2023-5-9 18:59:00秩定理
The Rank Theorem
Rank theorem on manifolds

What is the implicit function theorem

hbghlyj · Posted at 2023-5-10 00:18:13

还是不懂...能否讲解一下😥

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分离变量的可行性

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