Vernacular explanation: What does the plural type mean in Go language?

The complex number type in the Go language is used to represent complex numbers with real and imaginary parts. It uses the complex(real, imaginary) format in its syntax, supporting addition, subtraction, multiplication, and division operators, as well as conjugate, inverse, and absolute value methods.

Plural types in Go language: A simple explanation

In Go language, complex types are used to represent objects with real and imaginary parts. Plural of ministry. It is a built-in type that provides a series of operators and methods for complex number operations.

Syntax

Complex numbers are represented in the Go language using the following syntax:

complex(实部, 虚部)

The real and imaginary parts can be any floating point type (float32 or float64).

Operators

Complex number types support the following operators:

• Addition ( ) and subtraction (-): Add or subtract two complex numbers.
• Multiplication (*): Multiply two complex numbers. The real and imaginary parts of the result are the sum and difference of the products of the real and imaginary parts of the two complex numbers respectively.
• Division (/): Divide two complex numbers, and the result is a complex number.

The Go language also provides the following complex operators:

• Conjugate (~): Returns the conjugate of a complex number (the imaginary part is taken Opposite number).
• Opposite number (-): Returns the opposite number of a complex number (the opposite of the imaginary part and the real part).
• Absolute value (abs): Returns the absolute value (modulo) of a complex number.

Methods

The plural type provides the following methods:

• Real(): Returns the plural number The real part.
• Imag(): Returns the imaginary part of the complex number.
• String(): Returns the string representation of the plural number.

Practical case

The following is a Go program that demonstrates the use of plural types:

package main

import "fmt"

func main() {
    // 创建两个复数
    c1 := complex(1, 2)
    c2 := complex(3, 4)

    // 加法
    sum := c1 + c2
    fmt.Println("加法：", sum)

    // 乘法
    product := c1 * c2
    fmt.Println("乘法：", product)

    // 共轭
    conjugate := c1.Conjugate()
    fmt.Println("共轭：", conjugate)

    // 绝对值
    magnitude := c1.Abs()
    fmt.Println("绝对值：", magnitude)
}

Output:

加法： (4+6i)
乘法： (-5+10i)
共轭： (1-2i)
绝对值： 2.23606797749979

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