Interactive Intro
Neural Networks
Interactive Intro
Neural Networks
Chapter 1 | Goal Supervised
Interactive Intro
Neural Networks
Goal
- Construct a general function given your input data and output data
- Eg: housing data that includes the size of the house
-
GO TO https://diggit.no
Chapter 1 | Goal Supervised
Interactive Intro
Neural Networks
Example
- Input: Size of House
- Output: Price
- Function: Predicts the price given the size
Chapter 1 | Goal Supervised
Interactive Intro
Neural Networks
Simple
Chapter 1 | Goal Supervised
- So let's begin with the cost function
Interactive Intro
Neural Networks
Chapter 1 | Goal Supervised
Interactive Intro
Neural Networks
Nevermind
Chapter 1 | Goal Supervised
- So let's begin with how
the neuron gets defined
Interactive Intro
Neural Networks
Neuron
Chapter 1 | Goal Supervised
Interactive Intro
Neural Networks
Neuron
Chapter 1 | Goal Supervised
Interactive Intro
Neural Networks
Neuron
Chapter 1 | Goal Supervised
- But what if we had more than one input?
- Surface Area + Location?
Interactive Intro
Neural Networks
Neuron
Chapter 1 | Goal Supervised
Interactive Intro
Neural Networks
Chapter 1 | Goal Supervised
Interactive Intro
Neural Networks
Neuron and synaptic weight
Chapter 1 | Goal Supervised
- synaptic plasticity is the ability of synapses to strengthen or weaken over time, in response to increases or decreases in their activity
Interactive Intro
Neural Networks
Chapter 1 | Goal Supervised
Interactive Intro
Neural Networks
Chapter 1 | Goal Supervised
Interactive Intro
Neural Networks
Function
-
A function is a block of code which only runs when it is called.
-
You can pass data, known as parameters, into a function.
-
A function can return data as a result.
Chapter 1 | Intro
Create a Function
To create a function, use the keyword def Name():
Example
Create a function named NeuralNet, with a property named and call it
Chapter 1 | Python, class intro
Optimization Parameters
Chapter 5 | Forward propagation Intro
Chapter | Forward propagation Intro
Chapter | Forward propagation Intro
Chapter | Sigmoid Function
OK but what is a cost function?
Chapter | Cost
Chapter | Error Calcuation
Chapter | Error Calcuation
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Backpropagation
By Marina Goto
