Fundamentals of Technical Mathematics

8.1. Exercises

In exercises 1–12, identify the type of matrices.

[\begin{matrix} 0 & - 1 & 2 & - 3 & 15 \end{matrix}]

[\begin{matrix} 3 \\ 1 \\ 2 \\ 5 \\ 7 \\ 8 \end{matrix}]

[\begin{matrix} a & b \\ c & d \end{matrix}]

[\begin{matrix} 0 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 \end{matrix}]

[\begin{matrix} 1 & 0 & 0 & 0 & 0 \\ 0 & 2 & 0 & 0 & 0 \\ 0 & 0 & 3 & 0 & 0 \\ 0 & 0 & 0 & 4 & 0 \\ 0 & 0 & 0 & 0 & 5 \end{matrix}]

[\begin{matrix} 1 & 0 & 0 & 0 \\ 0 & 1 & 0 & 0 \\ 0 & 0 & 1 & 0 \\ 0 & 0 & 0 & 1 \end{matrix}]

In exercises 7–18, find the dimensions (order) of each matrix.

[\begin{matrix} 2 & - 1 & π \\ - 3 & \frac{1}{2} & 4 \end{matrix}]

[\begin{matrix} - 5 & 7 & 9 \\ 4 & π & 8 \\ 11 & - \end{matrix}

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