I often find differential equation written in function notation:
I know it might be a trivial question,but....
Is this notation possible for every differential equation?
2026-04-24 05:11:56.1777007516
Can every differential equation be expressed in function notation?
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Yes.
An equation is just a function of several variables $f(x,y,z,w,t,\cdots,k)$ set equal to zero, or even a constant.
For a differential equation, the variables include derivatives (partial or ordinary) of other variables.