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diff docs/matrix.txt @ 36:433c475f42db

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[documentation] more matrix notes
author Jeff Hammel <k0scist@gmail.com>
date Mon, 04 Sep 2017 14:02:24 -0700
parents 37a9fb876f54
children 59044f78d587
line wrap: on
line diff
--- a/docs/matrix.txt	Mon Sep 04 13:55:48 2017 -0700
+++ b/docs/matrix.txt	Mon Sep 04 14:02:24 2017 -0700
@@ -1,3 +1,14 @@
     [|  |     | ]
 X = [x1 x2 ...xm]
     [|  |     | ]
+
+Z1 = w'X + b1
+
+A1 = sigmoid(Z1)
+
+     [---]
+W1 = [---]
+     [---]
+
+`W1x1` gives some column vector, where `x1`
+is the first training example.