MathAlgebraLinear algebraMatrices

Introduction to matrices

Theory

Rows

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How many rows does this matrix have? E?,?=(2−106−11−1−20−1−12−106−11)E_{?,?} = \begin{pmatrix} 2 & -1 & 0 & 6 & -11 \\ -1 & -2 & 0 & -1 & -1 \\ 2 & -1 & 0 & 6 & -11 \\ \end{pmatrix}?

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