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linear_algebra:02_equations_and_matrices [2014/01/20 12:32] marje |
linear_algebra:02_equations_and_matrices [2014/01/20 12:38] marje |
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| \end{array} | \end{array} | ||
| \right. | \right. | ||
| - | \quad\overset{R_2-2\cdot R_1}\Longleftrightarrow | + | \overset{R_2-2\cdot R_1}\Longleftrightarrow |
| \left\{ | \left\{ | ||
| \begin{array}{rrrrr} | \begin{array}{rrrrr} | ||
| Line 174: | Line 174: | ||
| \end{array} | \end{array} | ||
| \right. | \right. | ||
| - | \quad\overset{\frac{1}{8}\cdot R_2}\Longleftrightarrow | + | \overset{\frac{1}{8}\cdot R_2}\Longleftrightarrow |
| \left\{ | \left\{ | ||
| \begin{array}{rrrrr} | \begin{array}{rrrrr} | ||
| Line 181: | Line 181: | ||
| \end{array} | \end{array} | ||
| \right. | \right. | ||
| - | \quad\overset{R_1+2\cdot R_2}\Longleftrightarrow | + | \overset{R_1+2\cdot R_2}\Longleftrightarrow |
| \left\{ | \left\{ | ||
| \begin{array}{rrrrr} | \begin{array}{rrrrr} | ||