Cody

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

Solution 2068637

Submitted on 24 Dec 2019 by Martin C.
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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))

polyIn = 1×3 cell array {1×3 double} {1×2 double} {1×3 double} polyOut = 1×3 cell array {1×3 double} {1×2 double} {1×3 double}

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

polyIn = 1×1 cell array {1×2 double} polyOut = 1×1 cell array {1×2 double}

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))

polyIn = 1×2 cell array {1×3 double} {1×3 double} polyOut = 1×2 cell array {1×3 double} {1×3 double}

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