无穷小量是数学分析中的一个概念,在经典的微积分或数学分析中,无穷小量通常以函数、序列等形式出现。无穷小量即以数0为极限的变量,无限接近于0。确切地说,当自变量x无限接近x0(或x的绝对值无限增大)时,函数值f(x)与0无限接近,即f(x)→0(或f(x)=0),则称f(x)为当x→x0(或x→∞)时的无穷小量。特别要指出的是,切不可把很小的数与无穷小量混为一谈。
牛顿说他已放弃了微元或无穷小量。
Newton says he has abandoned the infinitesimal or infinitely small quantity.
对用等价无穷小量代换定理求极限进行了推广。
This paper promotes the proposition on asking the limit with equivalence infinite small quantity instead of theorem.
他们在无穷和无穷小量这个问题上,其说不一,十分含糊。
They are infinite and infinitely small amount of this issue, its say no one, is very vague.
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