| introduction | 
		
			| what is Coordinate System | 
		
			| what is a Vector | 
		
			| making a vector | 
		
			| vector example 1 ( directional light ) | 
		
			| vector example 2 ( linear interpolation ) | 
		
			| vector example 3 ( dynamic forces on particles ) | 
		
			| vector example 3 ( blendShape deformer ) | 
		
			| vector normalization | 
		
			| vector normalization example ( Sliding Pivot Foot Roll) | 
		
			| what is dot product | 
		
			| dot product example ( game example ) | 
		
			| dot product example ( lighting ) | 
		
			| dot product example ( inner and outer collision detection) | 
		
			| finding closest point to a line by dot product | 
		
			| finding best position for pole vector | 
		
			| what is cross product | 
		
			| cross product example ( finding vertex normals ) | 
		
			| cross product example ( game example ) | 
		
			| what is matrix | 
		
			| inverse matrix and identity matrix | 
		
			| parenting system by multiplication of matrices | 
		
			| Matrix example (matrix constraint ) | 
		
			| Matrix example (aim constraint) | 
		
			| Matrix example (making curve orientation) |