Matrix and determination

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

\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

(\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/

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