the following method for generating Pythagorean triples. 10 These matrices A B C' and their corresponding linear transformations are shown below. For all pairs ( h,k ) of positive integers, the triples are given by (hdk, dkfrac (dk)22h,hdkfrac (dk)22h). The primitive triples occur when gcd( k, h ) 1 and either hq 2 with q odd or h 2. You can find as many more as you please. References edit Fibonacci, Leonardo Pisano, (1225 Liber Quadratorum. For initial positive integers h n and h n 1, if h n h n 1 h n 2 and h n 1 h n 2 h n 3, then is a Pythagorean triple.

11 See also Tree of primitive Pythagorean triples. Each child is itself the parent of 3 more children, and. Note that the effect of these equations is to cause the " m " value in the Euclid equations to increment in steps of 4, while the " n " value increments. Example: Choose k932a2displaystyle k932a2. Scale Them Up The simplest way to create further Pythagorean Triples is to scale up a set of triples. Take any m and n, such that m n and then find: 2mn, m n,. Progressions of whole and fractional numbers edit, the German monk and mathematician, michael Stifel published the following method in 1544. Can all three be prime? (Why do we place a 2 in front of u2 and v2?

A "Pythagorean Triple" is a set of positive integers, a, b and c that fits the rule: a2 b2 c2, example: The smallest Pythagorean Triple is 3, 4 and. Note that if the chosen integers q, q' are not coprime, the same procedure leads to a non-primitive triple. Keep going-the reason should become clear shortly.) Then a2 4u2v2 (2uv)2, and a 2uv. The Fermat family must be found by other means.