Partial Fraction Expansion Issue/Question - confusing result
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Hi all,
I tried to find the partial fraction expansion of a transfer function, and was given a confusing result. 
This screenshot is my result. I'm confused by the last line in the p matrix. How can I have a number in the numerator (last line of r), but have 0+0i in the denominator? Is there a mistake in my original denominator a and numerator b?
This screenshot above is my numerator, denominator, and residue function.
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Star Strider
2019-6-9
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It just appears to be confusing.
or with the fractions rationalised:
So perhaps that will help to explain it.
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