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Solve Linear System Ax=b
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[QUOTE="HallsofIvy, post: 4497218, member: 637751"] I have no idea what you mean by "a1" and "a2"! If we call the variables x1, x2, x3, x4, and x5 (I thought at first the you meant "a1" and "a2" to be the first of those but those are, of course, numbers, not vectors) then the two equations become x1+ 2x2+ 3x4+ x5= 2 and x3+ 2x4+ 4x5= 5. From the first, x1= 2- 2x2- 3x4- x5 and from the second, x3= 5- 2x4- 4x5. So you can choose x2, x4, and x5 to be anything you want, then calculate x1 and x3. [/QUOTE]
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Solve Linear System Ax=b
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