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请教长等号的那个,能不能用在sim上?

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abababa posted 2020-8-7 16:34 |Read mode
如题,因为用了长等号和长等价号,觉得很方便,现在有一些需要$\sim$上面加注释,这个能不能也自动变长呢?

从网上找了一个这样的:
\newcommand{\mysim}[2][1.5]{
\mathrel{\overset{#2}{\scalebox{#1}[1]{$\sim$}}}
}

能加注释,但是不能自动变长。

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色k posted 2020-8-7 20:28
你不是问过吗?forum.php?mod=viewthread&tid=5861

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original poster abababa posted 2020-8-8 16:43
回复 2# 色k

原来如此,当时还以为那个只适用于大于小于等比较运算呢,原来任意的符号都能管用。

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