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指数函数和幂函数哪个增长速度快
更新时间: 2020-10-28 00:00:00  

指数函数:a^x,幂函数:x^a在a>1时,指数函数上升速度快。在幂函数时,即使x趋近于阿莱夫零(即第一级无穷大),值也只是趋近于阿莱夫零。但对指数函数来说,x趋近于阿莱夫零时,值已经趋近于阿莱夫1(即第二级无穷大)了。

关键词: 指数函数 函数 哪个 增长 速度

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