there will be exactly r basic variables—corresponding to the positions of the basic columns in A —and exactly n − r free variables—corresponding to the positions of the nonbasic columns in A .
there will be exactly r basic variables—corresponding to the positions of the basic columns in A —and exactly n − r free variables—corresponding to the positions of the nonbasic columns in A .
本文标题:2.4 HOMOGENEOUS SYSTEMS
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