2.Create the vector of the constants in the linear system.

5 7

1

3.Return to the Matrix Catalog.

MATRIX

In this example, the vector you created is listed as M1.

4.Create a new matrix.

Select Real matrix

5.Enter the equation coefficients.

2 3

4

1 1

1 4

1 2

In this example, the matrix you created is listed as M2.

6.Return to HOME and enter the calculation to left-multiply the constants vector by the inverse of the coefficients matrix.

M2

x –1

M1

The result is a vector of the solutions x = 2, y = 3 and z = –2.

An alternative method, is to use the RREF function. See “RREF” on page 15-12.

Matrices

15-9