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The gradient descent equation itself is generally the same form; we just have to repeat it for our 'n' features: In other words: The following image c 阅读全文
posted @ 2020-08-22 16:20
Zhentiw
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Linear regression with multiple variables is also known as "multivariate linear regression". We now introduce notation for equations where we can have 阅读全文
posted @ 2020-08-21 14:48
Zhentiw
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Similar to Storybook, react-styleguidist is used to show the custom UI elements. It is easy to setup and use, it uses markdown file as example page: i 阅读全文
posted @ 2020-08-20 22:55
Zhentiw
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To compute this formula, you need to do: Actually, to make it simpler, we can do Vectorization, that formula is actually equals to: So we can code it 阅读全文
posted @ 2020-08-19 19:10
Zhentiw
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In this lesson, we'll create an asymmetric promotional area where our promos get progressively smaller. We'll use CSS Grid to keep our HTML to 6 seman 阅读全文
posted @ 2020-08-19 03:08
Zhentiw
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For: v = zeros(10, 1); for i=1:10, v(i) = 2^i; end; # the same as indices=1:10 for i=indices, disp(i) end; while & if & break: i=1; while i <=5, v(i) 阅读全文
posted @ 2020-08-19 02:49
Zhentiw
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t=[0:0.01:0.98]; y1 = sin(2*pi*4*t); plot(t, y1) If you draw tha cos function, it will replace the sin function figure to a new one y2 = cos(2*pi*4*t) 阅读全文
posted @ 2020-08-19 02:27
Zhentiw
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When working in a codebase that has frontend, backend, middleware, service, and other concerns all in the same GIT repository, it can be helpful to co 阅读全文
posted @ 2020-08-18 02:10
Zhentiw
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Search for "Polacode" in extensions and install it: After installer, open "Command palette" Type "polocode". Use mouse to select code you want to crea 阅读全文
posted @ 2020-08-18 02:01
Zhentiw
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_.omitBy and its sibling _.pickBy are popular utilities which apply filter-like functionality to objects. Both of them accept a function to determine 阅读全文
posted @ 2020-08-18 01:54
Zhentiw
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