Python and MySQL Database: A Practical Introduction

By realpython - 2021-01-22

Description

In this tutorial, you'll learn how to connect your Python application with a MySQL database. You'll design a movie rating system and perform some common queries on it. You'll also see best practices a ...

Summary

  • Orthogonal Matrix What is an Orthogonal Matrix?
  • In terms of geometry, orthogonal means that two vectors are perpendicular to each other.
  • Additionally you may select any two rows and find that the same property holds, as the transpose of an orthogonal matrix is itself an orthogonal matrix.
  • Because the transpose preserves the determinant, it is easy to show that the determinant of an orthogonal matrix must be equal to 1 or -1.

 

Topics

  1. Database (0.3)
  2. Coding (0.08)
  3. Backend (0.08)

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