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CSC 412HW1 (Sample)
Marcus Schaefer
Problem 2
The system to solve is
x -2 y = 5 -2x+4y = -10
Applying E21(2) yields:
x – 2y = 5 0 = 0
So the system is consistent, and the solution is not unique. All solutions can be found by choosing y arbitrarily, and then letting x = 5+2y. Here is verification of my work using Matlab:
Or here is another way of presenting the solution:
Problem 2
I did the problem by hand (with Matlab verification):
Problem 3
3a: The augmented matrix is as follows:
3b) Applying E4(1/2) yields:
Next step is E34(1):
and so on ….
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