# Just another WordPress site

## Objective

is to represent a matrix and determination using LaTeX.

## Example 1. Matrix

### Code

\\left( \\begin{array}{ccc}
\\lambda_{11} & \\lambda_{12} & \\lambda_{13} \\\\
\\lambda_{21} & \\lambda_{22} & \\lambda_{23} \\\\
\\lambda_{31} & \\lambda_{32} & \\lambda_{33}
\\end{array} \\right)

### Result

$latex \\lambda = \\left( \\begin{array}{ccc} \\lambda_{11} & \\lambda_{12} & \\lambda_{13} \\\\ \\lambda_{21} & \\lambda_{22} & \\lambda_{23} \\\\ \\lambda_{31} & \\lambda_{32} & \\lambda_{33} \\end{array} \\right)$

## Example 2. Determination

### Code

(\\vec{A} \\times \\vec{B}) \\cdot \\vec{C} =
\\left| \\begin{array}{ccc}
A_1 & A_2 & A_3 \\\\
B_1 & B_2 & B_3 \\\\
C_1 & C_2 & C_3
\\end{array} \\right|

### Result

$latex (\\vec{A} \\times \\vec{B}) \\cdot \\vec{C} = \\left| \\begin{array}{ccc} A_1 & A_2 & A_3 \\\\ B_1 & B_2 & B_3 \\\\ C_1 & C_2 & C_3 \\end{array} \\right|$

## References

http://study-astrophysics.com/marion-01-03/
http://study-astrophysics.com/marion-01-11/