MultiplicationbyaScalar
2011-09-20 17:21:00 来源：作文地带整理 双击单词自动翻译
作文地带导读：Multiplication is like repeated addition. Multiplying 4 by 3 means adding four three times: . The multiplication of a vector times a scalar works in the same way. Multiplying the vector A by the positive scalar c is equivalent
The result of multiplying A by c is a vector in the same direction as A, with a magnitude of . If c is negative, then the direction of A is reversed by scalar multiplication.
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相关热词搜索：Scalar Multiplication vector b
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