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梯度下降法matlab程序
function [theta, J_history] = gradientDescent(X, y, theta, alpha, num_iters) %GRADIENTDESCENT Performs gradient descent
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求Linux相关英文文献，最好有中文翻译的
Linux (also known as GNULinux) is a Unix-like computer operating system. It is one of the most prominent examples of op
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sql中all,any,some用法
--All：对所有数据都满足条件，整个条件才成立，例如：5大于所有返回的id select * from #A where 5>All(select id from #A) go --Any：只要有一条数据满足条件，整个条件成立，例如
