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Problem 85. Remove the polynomials that have positive real elements of their roots.

Solution 891140

Submitted on 18 May 2016 by Hao li
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Test Suite

Test Status Code Input and Output
1   Pass
in = {[1 2 1],[1 -1],[1 1],[1 53 6]}; out_correct = {[1 2 1],[1 1],[1 53 6]}; assert(isequal(find_stable(in),out_correct))

2   Pass
in = {[1 1],[1 -1]}; out_correct = {[1 1]}; assert(isequal(find_stable(in),out_correct))

3   Pass
in = {[1 0 1],[2 -5 2],[2 5 2]}; out_correct = {[1 0 1],[2 5 2]}; assert(isequal(find_stable(in),out_correct))

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