함수 cbrt()

1 Java

public class MyClass {
    public static void main(String args[]) {
    	System.out.println( Math.cbrt(-1) );
        // -1.0
    	System.out.println( Math.cbrt(0) );
        // 0.0
        System.out.println( Math.cbrt(1) );
        // 1.0
    	System.out.println( Math.cbrt(27) );
        // 3.0
    	System.out.println( Math.cbrt(100) );
        // 4.641588833612779
    }
}

2 PHP

<?php
echo -1 ** (1/3) . PHP_EOL;
# -1
echo 0 ** (1/3) . PHP_EOL;
# 0
echo 1 ** (1/3) . PHP_EOL;
# 1
echo 27 ** (1/3) . PHP_EOL;
# 3
echo 100 ** (1/3) . PHP_EOL;
# 4.6415888336128

3 같이 보기

• 세제곱근
• 함수 sqrt()