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词汇 Square function
分类 英语词汇 英语翻译词典
释义

Square function

原声例句
Crash Course Physics 速成课物理

The sine squared function always reduces to one half when averaged.

正弦平方函数 在平均时总是减少到一半。

Mosh带你学编程

Now to return this color outside of this function we simply use the return statement. So return. Now, our square function is very simple, it only had one line of code.

use the return statement. So return.现在,现在,我们的平方函数非常简单, 只有一行代码。

中文百科

平方 Square (algebra)

(重定向自Square function)

代数中,一个数的平方是此数与它的本身相乘所得的乘积,一个元素的平方是此元素与它的本身相乘所得的乘积,记作x。平方也可视为求指数为2的幂的值。若x是正实数,这个乘积相当于一个边长为x的正方形的面积;如果x为虚数,则这个乘积为负数。如果x为非虚数的复数,则这个乘积也是复数。

如果实数y = x,就说yx的平方;如果同时x是非负数,那幺x就是y的平方根。如果一个整数 n 是某个整数的平方,则称 n 为一个完全平方数或平方数。有理数的平方一定是有理数,无理数的平方可以是有理数,也可以是无理数。

平方和通常指一些正整数的平方之和,整数的个数可以是有限个,也可以是无限多。 正整数的平方和公式如下:(可用数学归纳法证明)

英语百科

Square (algebra) 平方

(重定向自Square function)
5⋅5, or 52 (5 squared), can be shown graphically using a square. Each block represents one unit, 1⋅1, and the entire square represents 5⋅5, or the area of the square.
y = x2. The graph of a quadratic function has a parabolic shape. The squares of numbers make a power law.
Fresnel's zone plates have rings with equally spaced squared distances to the center
The result of the mapping of the complex square function to a tiling of the complex plane

In mathematics, a square is the result of multiplying a number by itself. The verb "to square" is used to denote this operation. Squaring is the same as raising to the power 2, and is denoted by a superscript 2; for instance, the square of 3 may be written as 3, which is the number 9. In some cases when superscripts are not available, as for instance in programming languages or plain text files, the notations x^2 or x**2 may be used in place of x.

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