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En les matemàtiques índies, un quadrat vèdic és una variació en una taula de multiplicar típica de 9 × 9 on l'entrada a cada cel·la és l' del producte dels encapçalaments de columna i fila, és a dir, el residu quan el producte dels encapçalaments de fila i columna és dividit per 9 (amb la resta 0 representada per 9). Es poden observar nombrosos patrons i simetries geomètriques en un quadrat vèdic, alguns dels quals es poden trobar en l'art tradicional islàmic. (ca) In Indian mathematics, a Vedic square is a variation on a typical 9 × 9 multiplication table where the entry in each cell is the digital root of the product of the column and row headings i.e. the remainder when the product of the row and column headings is divided by 9 (with remainder 0 represented by 9). Numerous geometric patterns and symmetries can be observed in a Vedic square, some of which can be found in traditional Islamic art. (en) 吠陀方形(Vedic square)屬於古印度數學,是9 × 9 乘法表的變形,每個數字都用乘積的數根來代替。換句話說,與乘積除以9以後的余数的概念接近,若是該乘積為9的倍數,其數根為9不為0。 吠陀方形中有許多幾何模式及對稱特性,其中有些模式會出現在傳統的伊斯蘭藝術。 (zh) |
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http://people.revoledu.com/kardi/tutorial/DigitSum/Vedic-square.html%7Ctitle=Digital http://rmm.ludus-opuscula.org/Home/ArticleDetails/1155%7Ctitle=Digital |
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En les matemàtiques índies, un quadrat vèdic és una variació en una taula de multiplicar típica de 9 × 9 on l'entrada a cada cel·la és l' del producte dels encapçalaments de columna i fila, és a dir, el residu quan el producte dels encapçalaments de fila i columna és dividit per 9 (amb la resta 0 representada per 9). Es poden observar nombrosos patrons i simetries geomètriques en un quadrat vèdic, alguns dels quals es poden trobar en l'art tradicional islàmic. (ca) In Indian mathematics, a Vedic square is a variation on a typical 9 × 9 multiplication table where the entry in each cell is the digital root of the product of the column and row headings i.e. the remainder when the product of the row and column headings is divided by 9 (with remainder 0 represented by 9). Numerous geometric patterns and symmetries can be observed in a Vedic square, some of which can be found in traditional Islamic art. (en) 吠陀方形(Vedic square)屬於古印度數學,是9 × 9 乘法表的變形,每個數字都用乘積的數根來代替。換句話說,與乘積除以9以後的余数的概念接近,若是該乘積為9的倍數,其數根為9不為0。 吠陀方形中有許多幾何模式及對稱特性,其中有些模式會出現在傳統的伊斯蘭藝術。 (zh) |
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Quadrat vèdic (ca) Vedic square (en) 吠陀方形 (zh) |
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