\documentclass[12pt]{article} \title{Matrices and Solution of Equations} \author{FOSSEE} \begin{document} \date{} \vspace{-1in} \begin{center} \LARGE{Matrices and Solution of Equations}\\ \large{FOSSEE} \end{center} \section{Matrices} Inputting a Matrix \begin{verbatim} In [1]: A = matrix([[1, 2, 3],[4, 5, 6]]) \end{verbatim} Matrix Operations \begin{verbatim} In [1]: A.T # Transpose In [2]: sum(A) # Sum of all elements In [3]: A+B # Addition In [1]: A*B # Product In [1]: inv(A) # Inverse In [1]: det(A) # Determinant \end{verbatim} Eigen Values and Eigen Vectors \begin{verbatim} In [1]: eig(A) #Eigen Values and Vectors In [2]: eigvals(A) #Eigen Values \end{verbatim} Norm \begin{verbatim} In [1]: norm(A) \end{verbatim} Single Value Decomposition \begin{verbatim} In [1]: svd(A) \end{verbatim} Solving a set of equations \begin{verbatim} In [1]: A = matrix([...]) # Input Equation Coefficient Matrix In [2]: b = matrix([...]) # Equation Target Values In [3]: x = solve(A, b) In [4]: Ax = A*x \end{verbatim} \end{document}