Row echelon form: Difference between revisions

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Maximal rank: Schubert cells: Corrected limit of summation k => n.
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of linear combinations
:: <math>W_i := \sum_{l=1}^kn A_{il} e_l, \quad i=1, \dots , k </math>
 
of the elementary basis vectors <math>(e_1, \dots, e_n)</math>,