Basic Mathematics 61–65

61. Vector
-Definition
-Denotation
-Vector in the coordinate system
-Zero vector
Note that the vector here is shown in 2-dimensional cases. It will be denoted if the dimension of the vector is larger than 2.

62. Addition/Subtraction of Vector
-Definition
-Graphs

63. Linear combination
-Definition
-Example

64. Some properties of vector
-Parallel
-Linear combination
-Unit vector
-Section formula
-Collinearity

65. Inner product
-Definition
-Notes

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