(... and Matrices). What are Scalars and Vectors? 3.044, 7 and 2 are scalars. Distance, speed, time, temperature, mass, length, area, volume,...

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

A Matrix is an array of numbers: A Matrix (This one has 2 Rows and 3 Columns). To multiply a matrix by a single number, we multiply it by every...

Also known as College Algebra. So what are you going to learn here? You will learn about Numbers, Polynomials, Inequalities, Sequences and Sums,...

In quantum physics the members are usually complex numbers. The bra is the complex conjugate of the ket (we flip the sign of the 'i' part). And then multiplying matching members and summing always …

We can calculate the Inverse of a Matrix by: Step 1: calculating the Matrix of Minors,. Step 2: then turn that into the Matrix of Cofactors,.

A vector has magnitude (how long it is) and direction: Two vectors can be multiplied using the Cross Product (also see Dot Product).

A vector has magnitude (how long it is) and direction ... Here are two vectors

This is a vector: A vector has magnitude (size) and direction: The length of the line shows its magnitude and the arrowhead points in the direction.

☐ Know the conditions under which two matrices can be multiplied, and how to perform the multiplication.