Started 5 2.1 Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Variables 7 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 5.8 Numerical Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6 Complex and Rational Numbers 38 6.1 Complex Numbers . . . . . . . . . . . . . . . . . . . . . . . expressions written in a source file file.jl, write include("file.jl"). 5 CHAPTER 2. GETTING STARTED 6 To run code in a file non-interactively, you can give it as the first argument to the julia command:

The Julia Language V1.9.2 The Julia Project July 6, 2023 Contents Contents i I Manual 1 1 Julia 1.9 Documentation 2 2 Getting Started 4 2.1 Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 Assignment expressions and assignment versus mutation 32 5.8 Numerical Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 6 Complex and Rational Numbers 37 6.1 Complex Numbers . . . . . . . . . . . . . . . . . . . . . . .

language features 7 3 Mul�-threading changes 9 4 Language changes 11 5 Command-line op�on changes 13 6 New library func�ons 15 7 Standard library changes 17 LinearAlgebra . . . . . . . . . . . . . . . Command-line op�on changes 13 Chapter 6 New library func�ons • getipaddrs() func�on returns all the IP addresses of the local machine, with IPv4 addresses sor�ng before IPv6 addresses ([#30349, #30604]) • 5im and 6 // 2(2 + 1) equals 1 // 1. Addi�onally, parenthesized expressions can be used as coefficients to variables, implying mul�plica�on of the expres- sion by the variable: julia> (x-1)x 6 Neither

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Numerical Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6 Complex and Rational Numbers 34 6.1 Complex Numbers . . . . . . . . . . . . . . . . . . . . . . . julia> UniversalDeclarationOfHumanRightsStart = "" "" Unicode names (in UTF-8 encoding) are allowed: 6 CHAPTER 3. VARIABLES 7 julia> δ = 0.00001 1.0e-5 julia> = "Hello" "Hello" In the Julia REPL and

Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 Assignment 32 5.8 Numerical Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 6 Complex and Rational Numbers 37 6.1 Complex Numbers . . . . . . . . . . . . . . . . . . . . . . . customary_phrase = "Hello world!" "Hello world!" julia> UniversalDeclarationOfHumanRightsStart = "" "" 6 CHAPTER 3. VARIABLES 7 Unicode names (in UTF-8 encoding) are allowed: julia> δ = 0.00001 1.0e-5

Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 Assignment 32 5.8 Numerical Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 6 Complex and Rational Numbers 37 6.1 Complex Numbers . . . . . . . . . . . . . . . . . . . . . . . customary_phrase = "Hello world!" "Hello world!" julia> UniversalDeclarationOfHumanRightsStart = "" "" 6 CHAPTER 3. VARIABLES 7 Unicode names (in UTF-8 encoding) are allowed: julia> δ = 0.00001 1.0e-5

Started 5 2.1 Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Variables 7 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 5.8 Numerical Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6 Complex and Rational Numbers 38 6.1 Complex Numbers . . . . . . . . . . . . . . . . . . . . . . . expressions written in a source file file.jl, write include("file.jl"). 5 CHAPTER 2. GETTING STARTED 6 To run code in a file non-interactively, you can give it as the first argument to the julia command:

Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 Assignment 32 5.8 Numerical Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 6 Complex and Rational Numbers 37 6.1 Complex Numbers . . . . . . . . . . . . . . . . . . . . . . . customary_phrase = "Hello world!" "Hello world!" julia> UniversalDeclarationOfHumanRightsStart = "" "" 6 CHAPTER 3. VARIABLES 7 Unicode names (in UTF-8 encoding) are allowed: julia> δ = 0.00001 1.0e-5

Started 5 2.1 Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Variables 7 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 5.8 Numerical Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6 Complex and Rational Numbers 38 6.1 Complex Numbers . . . . . . . . . . . . . . . . . . . . . . . expressions written in a source file file.jl, write include("file.jl"). 5 CHAPTER 2. GETTING STARTED 6 To run code in a file non-interactively, you can give it as the first argument to the julia command:

Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Variables 6 3.1 Allowed Variable Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 Assignment 32 5.8 Numerical Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 6 Complex and Rational Numbers 37 6.1 Complex Numbers . . . . . . . . . . . . . . . . . . . . . . . customary_phrase = "Hello world!" "Hello world!" julia> UniversalDeclarationOfHumanRightsStart = "" "" 6 CHAPTER 3. VARIABLES 7 Unicode names (in UTF-8 encoding) are allowed: julia> δ = 0.00001 1.0e-5