今天看了一篇介绍屏障法的文章，图文并茂，还有真代码一行一行解有约束的含有不等式的最优化问题。虽然标题有内点法，但是没有提内点法中的原始对偶方法。其实这两个方法都是在面对 KKT 条件的时候的思考，不过对对偶变量的处理看待角度不同，朴素的求解都是用牛顿法。如果你对普通的等式约束，KKT 条件，拉格朗日方法有了解的，这篇文章读起来就更容易了。https://towardsdatascience.com/how-to-solve-constrained-optimization-problem-the-interior-point-methods-1733095f9eb5
BY Data Science Archive
The seemingly negative pandemic effects and resource/product shortages are encouraging and allowing organizations to innovate and change.The news of cash-rich organizations getting ready for the post-Covid growth economy is a sign of more than capital spending plans. Cash provides a cushion for risk-taking and a tool for growth.
You guessed it – the internet is your friend. A good place to start looking for Telegram channels is Reddit. This is one of the biggest sites on the internet, with millions of communities, including those from Telegram.Then, you can search one of the many dedicated websites for Telegram channel searching. One of them is telegram-group.com. This website has many categories and a really simple user interface. Another great site is telegram channels.me. It has even more channels than the previous one, and an even better user experience.These are just some of the many available websites. You can look them up online if you’re not satisfied with these two. All of these sites list only public channels. If you want to join a private channel, you’ll have to ask one of its members to invite you.
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