From: Identifying Alzheimer’s disease-related proteins by LRRGD

Work flow of GD | |
---|---|

Step 1. Finding descent direction | |

\( \nabla =\frac{\partial f}{\partial x} \) | |

Step 2. Moving x | |

x = x − k∇ | |

k is descent rate. | |

Step 3. Repeat step 2, until satisfied with the following equation | |

f(x_{n + 1}) − f(x_{n}) < ε | |

ε is any constant. |