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Ricardo Andrade
Ricardo Andrade
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Everybody knows that Leibniz and Newton (or Newton and Leibniz, if you wish) invented calculus, i.e., they developed the notion of differentiability for a function of one real variable. But who had for the first time the right idea about generalizing their notions to functions of several variables? I am talking in particular about total differentiability.

Everybody knows that Leibniz and Newton (or Newton and Leibniz, if you wish) invented calculus, i.e., they developed the notion of differentiability for a function of one real variable. But who had for the first time the right idea about generalizing their notions to functions of several variables? I am talking in particular about total differentiability.

Everybody knows that Leibniz and Newton (or Newton and Leibniz, if you wish) invented calculus, i.e. they developed the notion of differentiability for a function of one real variable. But who had for the first time the right idea about generalizing their notions to functions of several variables? I am talking in particular about total differentiability.

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Delio Mugnolo
Delio Mugnolo
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history of calculus of several variables

Everybody knows that Leibniz and Newton (or Newton and Leibniz, if you wish) invented calculus, i.e., they developed the notion of differentiability for a function of one real variable. But who had for the first time the right idea about generalizing their notions to functions of several variables? I am talking in particular about total differentiability.