Persegi ajaib
Persegi ajaib dalam matematika rekreasi dan desain kombinatorial[1] adalah kotak persegi (n adalah jumlah kotak di setiap sisi) yang diisi dengan bilangan asli positif mulai dari , sampai semua kotak terisi dengan bilangan asli positif yang berbeda, kemudian bilangan asli positif di setiap baris, kolom dan diagonal jika dijumlahkan menghasilkan angka yang sama (15).[2] Jumlahnya disebut konstanta ajaib atau jumlah ajaib dari persegi ajaib.
Referensi
- (Inggris) Weisstein, Eric W. "Magic Square". MathWorld.
- Magic Squares at Convergence
- John Lee Fults, Magic Squares. (La Salle, Illinois: Open Court, 1974).
- Cliff Pickover, The Zen of Magic Squares, Circles, and Stars (Princeton, New Jersey: Princeton University Press)
- Leonhard Euler, On magic squares
- Asker Ali Abiyev, The Natural Code of Numbered Magic Squares (1996)
- William H. Benson and Oswald Jacoby, "New Recreations with Magic Squares". (New York: Dover, 1976).
Bacaan lebih lanjut
- Andrews, W.S. (1917). Magic Squares and Cubes (Edisi 2nd). Open Court Publishing. hlm. 428.
- Block, Seymour (2009). Before Sudoku: The World of Magic Squares. Oxford University Press. ISBN 978-0195367904.
- Schinz, Alfred (1996). The Magic Square: Cities in Ancient China. Edition Axel Menges. hlm. 428. ISBN 9783930698028.
Pranala luar
- White, Harry S. "Magic Squares".
- Heinz, Harvey D. "Magic Squares index page". Diarsipkan dari asli tanggal 2019-10-20. Diakses tanggal 2019-11-06.
| Internasional | |
|---|---|
| Nasional | |
| Lain-lain | |
- ^ Miller, Jeff (September 3, 2016). "Earlier Known Uses of Some of the Words of Mathematics (M)".
- ^ Schwartzman, Steven (1994). The Words of Mathematics: An Etymological Dictionary of Mathematical Terms Used in English. MAA. hlm. 130.
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