代數 (代數)
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Category:數學
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Category:代數
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Template:當代數學
代數
,亦曰
域代數
,有矢量乘法之
線性空間
也。然代數者,可指矢量乘法合
結合律
者,即
結合代數
也。
定義
代數
者,矢量空間也,有一矢量
乘法
,且:
矢量和,矢量乘,合
分配律
也。(「
𝐱
(
𝐲
+
𝐳
)
=
𝐱
𝐲
+
𝐱
𝐳
;
(
𝐱
+
𝐲
)
𝐳
=
𝐱
𝐳
+
𝐲
𝐳
」)
凡二數甲(
a
)乙(
b
)與矢量丙(
𝐱
)丁(
𝐲
),皆有甲丙積乘乙丁積,同乎甲乙積乘丙丁積也(「
(
a
𝐱
)
(
b
𝐲
)
=
(
a
b
)
(
𝐱
𝐲
)
。」)
Template:Stub
分類:代數
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