Cody

# Problem 1474. Chebyshev polynomials of the 1st Kind

Solution 2590540

Submitted on 21 Jun 2020 by Rafael S.T. Vieira
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### Test Suite

Test Status Code Input and Output
1   Pass
user_solution = fileread('chebyshev1stKindPoly.m'); assert(isempty(strfind(user_solution,'regexp'))); assert(isempty(strfind(user_solution,'2str'))); assert(isempty(strfind(user_solution,'str2'))); assert(isempty(strfind(user_solution,'interp'))); assert(isempty(strfind(user_solution,'printf'))); assert(isempty(strfind(user_solution,'assert')));

2   Pass
n = 0; P_correct = [1]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

3   Pass
n = 1; P_correct = [1 0]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

4   Pass
n = 2; P_correct = [2 0 -1]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

5   Pass
n = 3; P_correct = [4 0 -3 0]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

6   Pass
n = 4; P_correct = [8 0 -8 0 1]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

7   Pass
n = 5; P_correct = [16 0 -20 0 5 0]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

8   Pass
n = 6; P_correct = [32 0 -48 0 18 0 -1]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

9   Pass
n = 7; P_correct = [64 0 -112 0 56 0 -7 0]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

10   Pass
n = 8; P_correct = [128 0 -256 0 160 0 -32 0 1]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

11   Pass
n = 9; P_correct = [256 0 -576 0 432 0 -120 0 9 0]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

12   Pass
n = 10; P_correct = [512 0 -1280 0 1120 0 -400 0 50 0 -1]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

13   Pass
n = 11; P_correct = [1024 0 -2816 0 2816 0 -1232 0 220 0 -11 0]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

14   Pass
n = 12; P_correct = [2048 0 -6144 0 6912 0 -3584 0 840 0 -72 0 1]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

15   Pass
n = 13; P_correct = [4096 0 -13312 0 16640 0 -9984 0 2912 0 -364 0 13 0]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

16   Pass
n = 14; P_correct = [8192 0 -28672 0 39424 0 -26880 0 9408 0 -1568 0 98 0 -1]; assert(isequal(chebyshev1stKindPoly(n),P_correct));

17   Pass
n = 15; P_correct = [16384 0 -61440 0 92160 0 -70400 0 28800 0 -6048 0 560 0 -15 0]; assert(isequal(chebyshev1stKindPoly(n),P_correct));