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Pythagore Triple

Tool to generate Pythagorean triples. A Pythagorean triple is a set of three natural numbers a, b, and c, such that a^2+b^2=c^2, for example (3,4,5) is a Triple of Pythagore: 3^2+4^2=5^2

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Pythagore Triple -

Tag(s) : Mathematics, Geometry

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Pythagore Triple

Generate Pythagorean Triples

With two sides

Tool to generate Pythagorean triples. A Pythagorean triple is a set of three natural numbers a, b, and c, such that a^2+b^2=c^2, for example (3,4,5) is a Triple of Pythagore: 3^2+4^2=5^2

How to find a Pythagorean Triple?

It exists heuristics but the simple method consists in testing iteratively all possibilities of a and b when s is given, the value of c is constrained by s=a+b+c.

The following equations can be deducted:

$$a^2 + b^2 = (s − a − b)^2 \\ a <= (s − 3)/3 \\ b < (s − a)/2$$

Example: Consider $$s = 12$$, then $$a <= 3$$ and $$b < 4.5$$, a quick test allows to find $$a = 3, b = 4$$ and get the triple $$\{3,4,5\}$$.

What is the list of Pythagorean Triples?

The first Pythagorean triples (side inferior to 100)

 3,4,5 5,12,13 6,8,10 7,24,25 8,15,17 9,12,15 9,40,41 10,24,26 11,60,61 12,16,20 12,35,37 13,84,85 14,48,50 15,20,25 15,36,39 16,30,34 16,63,65 18,24,30 18,80,82 20,21,29 20,48,52 21,28,35 21,72,75 24,32,40 24,45,51 24,70,74 25,60,65 27,36,45 28,45,53 28,96,100 30,40,50 30,72,78 32,60,68 33,44,55 33,56,65 35,84,91 36,48,60 36,77,85 39,52,65 39,80,89 40,42,58 40,75,85 42,56,70 45,60,75 48,55,73 48,64,80 51,68,85 54,72,90 57,76,95 60,63,87 60,80,100 65,72,97