Question

what is matrices and give some example

Answer 1

Answer:

square matrix is a matrix with an equal number of rows and columns. A diagonal matrix is a square matrix that has all its elements zero except for those in the diagonal from top left to bottom right; which is known as the leading diagonal of the matrix. Example: B is a diagonal matrix. ... Example: P is a unit matrix.

plz mark me brainliest

Answer 2

Answer

In mathematics, a matrix (plural matrices) is a rectangular array[1] (see irregular matrix) of numbers, symbols, or expressions, arranged in rows and columns.[2][3] For example, the dimension of the matrix below is 2 × 3 (read "two by three"), because there are two rows and three columns:

In mathematics, a matrix (plural matrices) is a rectangular array[1] (see irregular matrix) of numbers, symbols, or expressions, arranged in rows and columns.[2][3] For example, the dimension of the matrix below is 2 × 3 (read "two by three"), because there are two rows and three columns:{\displaystyle {\begin{bmatrix}1&9&-13\\20&5&-6\end{bmatrix}}.} {\displaystyle {\begin{bmatrix}1&9&-13\\20&5&-6\end{bmatrix}}.}

In mathematics, a matrix (plural matrices) is a rectangular array[1] (see irregular matrix) of numbers, symbols, or expressions, arranged in rows and columns.[2][3] For example, the dimension of the matrix below is 2 × 3 (read "two by three"), because there are two rows and three columns:{\displaystyle {\begin{bmatrix}1&9&-13\\20&5&-6\end{bmatrix}}.} {\displaystyle {\begin{bmatrix}1&9&-13\\20&5&-6\end{bmatrix}}.}Provided that they have the same size (each matrix has the same number of rows and the same number of columns as the other), two matrices can be added or subtracted element by element (see conformable matrix). The rule for matrix multiplication, however, is that two matrices can be multiplied only when the number of columns in the first equals the number of rows in the second (i.e., the inner dimensions are the same, n for an (m×n)-matrix times an (n×p)-matrix, resulting in an (m×p)-matrix). There is no product the other way round, a first hint that matrix multiplication is not commutative. Any matrix can be multiplied element-wise by a scalar from its associated field.

⭐hope it helps you ⚡