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What is Intro to Elementary Matrix Theory about?

A matrix is a rectangular array of numbers arranged in rows and columns. Matrix operations include addition, subtraction, scalar multiplication, and matrix multiplication. A key property is that matrices can only be multiplied if the number of columns of the first matrix equals the number of rows of the second matrix. The identity matrix leaves other matrices unchanged when multiplied. The transpose of a matrix is obtained by reflecting the matrix over its diagonal. The inverse of an invertible matrix undoe

Author

Nik Hen

Language

EN