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Linear Algebra Examples

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Find Pivot Positions and Pivot Columns [[1,1,1,1,0,0,0,100],[4,2,2,0,1,0,0,500],[5,4,2,0,0,-1,0,400],[-2000,-1500,-500,0,0,0,1,0]]*20

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

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