金融随机分析这门课程可不简单,等过一段时间再写吧,脑袋要爆炸了。
markdown里面用公式 https://blog.csdn.net/xiahouzuoxin/article/details/26478179
https://blog.csdn.net/xuejianbest/article/details/80391999
https://colobu.com/2014/08/17/MathJax-quick-reference/
https://blog.csdn.net/u010945683/article/details/46757757
$$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$$
\(x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\)
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