Mercurial > hg > tvii

annotate docs/matrix.txt @ 36:433c475f42db

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
[documentation] more matrix notes
author Jeff Hammel <k0scist@gmail.com>
date Mon, 04 Sep 2017 14:02:24 -0700
parents 37a9fb876f54
children 59044f78d587
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
35
37a9fb876f54 [documentation] add notes for matrices + vectorization
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
1 [| | | ]
37a9fb876f54 [documentation] add notes for matrices + vectorization
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
2 X = [x1 x2 ...xm]
37a9fb876f54 [documentation] add notes for matrices + vectorization
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
3 [| | | ]
36
433c475f42db [documentation] more matrix notes
Jeff Hammel <k0scist@gmail.com>
parents: 35
diff changeset
4
433c475f42db [documentation] more matrix notes
Jeff Hammel <k0scist@gmail.com>
parents: 35
diff changeset
5 Z1 = w'X + b1
433c475f42db [documentation] more matrix notes
Jeff Hammel <k0scist@gmail.com>
parents: 35
diff changeset
6
433c475f42db [documentation] more matrix notes
Jeff Hammel <k0scist@gmail.com>
parents: 35
diff changeset
7 A1 = sigmoid(Z1)
433c475f42db [documentation] more matrix notes
Jeff Hammel <k0scist@gmail.com>
parents: 35
diff changeset
8
433c475f42db [documentation] more matrix notes
Jeff Hammel <k0scist@gmail.com>
parents: 35
diff changeset
9 [---]
433c475f42db [documentation] more matrix notes
Jeff Hammel <k0scist@gmail.com>
parents: 35
diff changeset
10 W1 = [---]
433c475f42db [documentation] more matrix notes
Jeff Hammel <k0scist@gmail.com>
parents: 35
diff changeset
11 [---]
433c475f42db [documentation] more matrix notes
Jeff Hammel <k0scist@gmail.com>
parents: 35
diff changeset
12
433c475f42db [documentation] more matrix notes
Jeff Hammel <k0scist@gmail.com>
parents: 35
diff changeset
13 `W1x1` gives some column vector, where `x1`
433c475f42db [documentation] more matrix notes
Jeff Hammel <k0scist@gmail.com>
parents: 35
diff changeset
14 is the first training example.