How do you solve this (preferably using Gaussian Elimination) x+2y-3z+w=-2 3x-y-2z-4w=1 2x+3y-5z+w=-3
I thought you needed as many equations as variables to solve these.
Yeah that's under-determined. You can't actually fully solve for all variables.
Yeah you don't have enough info. It's degenerate. It reduces to:
x - z - w = 0 y - z + w = -1
It's very easy to solve using LFGSSian Fantasmagoriamiasm. Are you trying to tell us that you haven't mastered that?
@aggi started
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How do you solve this (preferably using Gaussian Elimination)
x+2y-3z+w=-2
3x-y-2z-4w=1
2x+3y-5z+w=-3
I thought you needed as many equations as variables to solve these.