Posted by Matt on Tuesday, October 25, 2011 at 11:46pm.
Find the augmented matrix for each of the following systems of linear equations:
3x1 − 2x2 = −1
4x1 + 5x2 = 3
7x1 + 3x2 = 2
2x1 + 2x3 =1
3x1 − x2 + 4 x3 = 7
6x1 + x2 − x3 = 0
x1 + 2x2 − x4 + x5 =1
3x2 + x3 − x5 = 2
x3 + 7x4 =1
x2 = 2
x3 = 3
- Math - Steve, Wednesday, October 26, 2011 at 1:51pm
What's the problem? You have all the coefficients and constants. Just write them down as an array. Just copy what you have, throwing all the variable names away, aligning the numbers in columns.
For example, #c is
1 2 0 -1 1 | 1
0 3 1 0 -1 | 2
0 0 1 7 0 | 1
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