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  • 4 years ago

If given u and matrix A, determine if u is in the subset of R3 spanned by the columns of A. u is a 3x1matrix with terms [2, - 3, 2] A is a 3x3 matrix with row1 = [5 8 7] row2 = [0 1 -1] row3 = [1 3 0] ....Also, is there a better way to type matrices?

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  1. xkehaulanix
    • 4 years ago
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    Nobody answered, but would somebody like to check this? |dw:1327884472747:dw||dw:1327884826730:dw| Since the last row of the augmented matrix has a nonzero in only the last column, is it safe to say that u is not in the subset of R3 spanned by A?

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