10月20日
10月20日
笔记
contour plots or contour figures
人机耦合震荡
英语总结
a range of:一套
refer to:表示;参考;涉及;指的是;适用于
in parentheses:在括号中;插入的
the ith row:第i行
x to the power of i:x的i次方
As mentioned:正如所说如前所述正如所说
a multiple-choice:一个选择题
kinda stuck:有点绕口
the sort of:那种;那一类的
standard terminology:标准术语
htheta(x) equals theta0 plus theta1 of x:
as a shorthand:简单起见
since:由于,因为,自..以后
building block:基本构成要素
go about:v. 着手做;四处走动;传开;从事
figure out :理解;解决;算出;想出;断定
So just a recap:简单回顾一下
the 1 over the 2m:1/2m
gradient descent:
optimization objective:优化目标
theta one times X:theta one 乘以 X
the slope of the straight line:直线的斜率
over here:在这里
devalue:贬值
This turns out to be:结果是
wound up:紧张的;兴奋的
trace out:描绘出;探寻;轨迹为
in visual terms:在视觉方面
end up doing:以…而告终
In other words:换句话说
a similar sort:一个类似
3-D surface plot:三维曲面图
concentric ellipses:同心椭圆
let’s break it out:我们把它写下来
further away from:距离更远
read off:读出;从…读取
contour line:[数] 轮廓线;[测] 等高线
one gets the following graphs:我们可以得到下面的图表
a slightly positive slope:稍微正的斜率
Just as an aside:顺便提一下
for the sake of brevity:为了简洁起见
for the sake of:为了;为了…的利益
start off with:从…开始,用…开始
a couple steps:几个步骤
So that’s the intuition in pictures:我们从图片中得到的直观感受
until convergence:直到收敛
let me unpack some of it:我来详细讲解一下
assignment operator:[计] 赋值运算符
whereas in contrast:然而反过来
asserting:声明
derive this derivative term:推出导数项
simultaneously update :同步更新
partial derivatives and derivatives:偏导数和导数
in case:万一,假使
all the intuitions:所有知识
tangential line:切线
steepest descent:最陡下降