Vectors - Math is Fun
The vector or Cross Product (the result is a vector). (Read those pages for more details.) More Than 2 Dimensions. Vectors also work perfectly well in 3 or more dimensions: The vector (1, 4, 5)
Vector Calculator - Math is Fun
Vector Calculator. It will do conversions and sum up the vectors. Learn about Vectors and Dot Products. Enter values into Magnitude and Angle ... or X and Y. It will do conversions and sum …
Dot Product - Math is Fun
We can calculate the Dot Product of two vectors this way: a · b = | a | × | b | × cos (θ) Where: | a | is the magnitude (length) of vector a. | b | is the magnitude (length) of vector b. θ is the angle …
Scalar, Vector, Matrix - Math is Fun
A vector is a list of numbers (can be in a row or column), A matrix is an array of numbers (one or more rows, one or more columns). In fact a vector is also a matrix! Because a matrix can have …
Vector Definition (Illustrated Mathematics Dictionary) - Math is Fun
Illustrated definition of Vector: A vector has magnitude (how long it is) and direction. Play with one below:
Unit Vector - Math is Fun
A vector has magnitude (how long it is) and direction: Unit Vector. A Unit Vector has a magnitude of 1:
Eigenvector and Eigenvalue - Math is Fun
Notice how we multiply a matrix by a vector and get the same result as when we multiply a scalar (just a number) by that vector. How do we find these eigen things? We start by finding the …
Bra-Ket Notation - Math is Fun
The bra-ket notation is a simple way to refer to a vector with complex elements, any number of dimensions, that represents one state in a state space. The probability of any state equals the …
Cross Product - Math is Fun
The Cross Product gives a vector answer, and is sometimes called the vector product. But there is also the Dot Product which gives a scalar (ordinary number) answer, and is sometimes called …
Calculator - Math is Fun
Full Precision Calculator Numbers Index. Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.