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词汇 Pythagorean triplet
分类 英语词汇 英语翻译词典
释义

Pythagorean triplet

中文百科

勾股数 Pythagorean triple

(重定向自Pythagorean triplet)
Triángulo rectángulo con sus tres lados y ángulos nombrados. El triángulo rectángulo cuyas longitudes de sus tres lados sean números enteros positivos, éstos forman una terna pitagórica, y evidentemente a² + b² = c².
The Pythagorean theorem: a2 + b2 = c2

勾股数,又名商高数毕氏三元数(Pythagorean triple),是由三个正整数组成的数组;能符合勾股定理(毕式定理)「a^2+b^2=c^2」之中, (a, b, c) 的正整数解。而且,基于勾股定理的逆定理,任何边长是勾股数组的三角形都是直角三角形。

如果 (a, b, c) 是勾股数,它们的正整数倍数,也是勾股数,即 (na, nb, nc) 也是勾股数。若果 (a, b, c) 三者互质(它们的最大公因数是 1),它们就称为素勾股数

以下的方法可用来找出勾股数。设 m > nmn 均是正整数,

英语百科

Pythagorean triple 勾股数

(重定向自Pythagorean triplet)
The Pythagorean theorem: a2 + b2 = c2
Animation demonstrating the simplest case of the Pythagorean Triple: 32 + 42 = 52.
A scatter plot of the legs (a,b) of the Pythagorean triples with c less than 6000. Negative values are included to illustrate the parabolic patterns in the plot more clearly.
The primitive Pythagorean triples. The odd leg a is plotted on the horizontal axis, the even leg b on the vertical. The curvilinear grid is composed of curves of constant m - n and of constant m + n in Euclid's formula.

A Pythagorean triple consists of three positive integers a, b, and c, such that a + b = c. Such a triple is commonly written (a, b, c), and a well-known example is (3, 4, 5). If (a, b, c) is a Pythagorean triple, then so is (ka, kb, kc) for any positive integer k. A primitive Pythagorean triple is one in which a, b and c are coprime. A right triangle whose sides form a Pythagorean triple is called a Pythagorean triangle.

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