comparison docs/matrix.txt @ 36:433c475f42db

[documentation] more matrix notes
author Jeff Hammel <k0scist@gmail.com>
date Mon, 04 Sep 2017 14:02:24 -0700
parents 37a9fb876f54
children 59044f78d587
comparison
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35:37a9fb876f54 36:433c475f42db
1 [| | | ] 1 [| | | ]
2 X = [x1 x2 ...xm] 2 X = [x1 x2 ...xm]
3 [| | | ] 3 [| | | ]
4
5 Z1 = w'X + b1
6
7 A1 = sigmoid(Z1)
8
9 [---]
10 W1 = [---]
11 [---]
12
13 `W1x1` gives some column vector, where `x1`
14 is the first training example.