The+Matrices

Matrix

A matrix is an ordered set of numbers listed rectangular form. Example. Let A denote the matrix code  [2 5  7  8]        [5  6  8  9]        [3  9  0  1] code This matrix A has three rows and four columns. We say it is a 3 x 4 matrix. We denote the element on the second row and fourth column with a2,4.

Row Matrix

A matrix with one row is called a row matrix.

Column matrix

A matrix with one column is called a column matrix.

Dimension

is the number of rows times the number of columns.

Scalar

to multiply a matrix with a real number, we multiply each element with this number.

Uses in life for matrix

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