Learn now:https://edu.csdn.net/course/play/26245/ 326282?utm_source=blogtoedu
Vector * vector = scalar (1 dimension * 0 dimension = 0 dimension)
Vector*Matrix=Vector (2D*1D=1D)
The matrix establishes the mapping from vector to vector
Study Notes (2): Programmer’s Mathematics: Linear Algebra – Matrix Addition, Multiplication, Transposition_lailjx123’s Blog
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