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当我尝试以 pdf 格式导出 R Markdown 文件时,出现以下错误:
! Missing { inserted. <to be read again>
相关行是这一行:
$$ AIC = ln \hat{\sigma}^{2}_\hat{u_t} + \frac{2n_k}{T} $$
我不明白我构建公式的方式有什么问题。仅供参考,当我在 .doc 中导出时它工作正常,所以当我在 pdf 上尝试不编织时,所有问题都开始了!
有人有建议吗??
您的复杂下标有问题,\hat{u_t}- 尝试将整个术语括在{ }.
\hat{u_t}
{ }