Category Archives: Lesson 14: Matrices

3. Matrix Operations: Dot Products and Inverses

We cannot simply multiply matrices the way we add and scalar multiply. The dot product combines two matrices, not necessarily of the same dimension into a third matrix. Understand the location of each element will help you understand the location … Continue reading

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2. Matrix Operations- Addition and Scalar Multiplication

We are able to perform operations on matrices as long as their dimensions match up. In terms of matrix addition, this means the dimensions of the matrix are identical. We simply add the elements in the same corresponding position and … Continue reading

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1. The Basics of Matrices

In mathematics, a matrix is an array of numbers arranged in rows and columns. We generally use matrices to represent one or more equations to simplify their solution. A matrix is made up of elements within those rows and columns. … Continue reading

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