# Convex Optimization - Introduction

This course is useful for the students who want to solve non-linear optimization problems that arise in various engineering and scientific applications. This course starts with basic theory of linear programming and will introduce the concepts of convex sets and functions and related terminologies to explain various theorems that are required to solve the non linear programming problems. This course will introduce various algorithms that are used to solve such problems. These type of problems arise in various applications including machine learning, optimization problems in electrical engineering, etc. It requires the students to have prior knowledge of high school maths concepts and calculus.

In this course, the students will learn to solve the optimization problems like $min f\left ( x \right )$ subject to some constraints.

These problems are easily solvable if the function $f\left ( x \right )$ is a linear function and if the constraints are linear. Then it is called a linear programming problem (LPP). But if the constraints are non-linear, then it is difficult to solve the above problem. Unless we can plot the functions in a graph, then try to analyse the optimization can be one way, but we can't plot a function if it's beyond three dimensions. Hence there comes the techniques of non-linear programming or convex programming to solve such problems. In these tutorial, we will focus on learning such techniques and in the end, a few algorithms to solve such problems. first we will bring the notion of convex sets which is the base of the convex programming problems. Then with the introduction of convex functions, we will some important theorems to solve these problems and some algorithms based on these theorems.

## Terminologies

• The space $\mathbb{R}^n$ − It is an n-dimensional vector with real numbers, defined as follows − $\mathbb{R}^n=\left \{ \left ( x_1,x_2,...,x_n \right )^{\tau }:x_1,x_2,....,x_n \in \mathbb{R} \right \}$

• The space $\mathbb{R}^{mXn}$ − It is a set of all real values matrices of order $mXn$.