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- https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_I_(Ellingson)/04%3A_Vector_Analysis/4.01%3A_Vector_ArithmeticIn mathematical notation, a real-valued vector A is said to have a magnitude A=|A| and direction a^ such that A=Aa^(4.1.1) where a^ is a unit vector (i.e., a real-valued vector having magnitud...In mathematical notation, a real-valued vector A is said to have a magnitude A=|A| and direction a^ such that A=Aa^(4.1.1) where a^ is a unit vector (i.e., a real-valued vector having magnitude equal to one) having the same direction as A . If a vector is complex-valued, then A is similarly complex-valued
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/General_Physics_I%3A_Classical_Mechanics/66%3A_Appendices/66.16%3A_Vector_Arithmeticwhere i is a unit vector (a vector of magnitude 1) in the x direction, j is a unit vector in the y direction, and k is a unit vector in the z directi...where i is a unit vector (a vector of magnitude 1) in the x direction, j is a unit vector in the y direction, and k is a unit vector in the z direction. Ax,Ay, and Az are called the x,y, and z components (respectively) of vector A, and are the projections of the vector onto those axes.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/General_Physics_I%3A_Classical_Mechanics/09%3A_Vectors/9.02%3A_Vector_Arithmetic-_Graphical_MethodsThe sum of all the vectors is then found by drawing a vector from the tail of the first vector in the chain to the head of the last one (Fig. \PageIndex1(c)). The sum vector points from the tail...The sum of all the vectors is then found by drawing a vector from the tail of the first vector in the chain to the head of the last one (Fig. \PageIndex1(c)). The sum vector points from the tail of the first vector to the head of the last. (d) Vector subtraction: A−B points from the head of B to the head of A. (e) Multiplication of a vector A by various scalars.
- https://phys.libretexts.org/Courses/Berea_College/Electromagnetics_I/04%3A_Vector_Analysis/4.01%3A_Vector_ArithmeticIn mathematical notation, a real-valued vector A is said to have a magnitude A=|A| and direction a^ such that A=Aa^(4.1.1) where a^ is a unit vector (i.e., a real-valued vector having magnitud...In mathematical notation, a real-valued vector A is said to have a magnitude A=|A| and direction a^ such that A=Aa^(4.1.1) where a^ is a unit vector (i.e., a real-valued vector having magnitude equal to one) having the same direction as A . If a vector is complex-valued, then A is similarly complex-valued