Cody

# Problem 161. Wilf-Zeilberger pairs

Solution 588990

Submitted on 27 Feb 2015 by Sylvain
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### Test Suite

Test Status Code Input and Output
1   Pass
%% F = @(n,k)(sin(n)+sin(k)) G = @(n,k)(n+k) n = 6; k = 4; y_correct = false; assert(isequal(wzpair(F,G,n,k),y_correct))

F = @(n,k)(sin(n)+sin(k)) G = @(n,k)(n+k)

2   Pass
%% F = @(n,k) (((-1)^k)*nchoosek(n,k)*nchoosek(2*k,k)*4^(n-k)/nchoosek(2*n,n)); G = @(n,k)((2*k-1)*F(n,k-1)/(2*n+1)) n = 7; k = 2; y_correct = true; assert(isequal(wzpair(F,G,n,k),y_correct))

G = @(n,k)((2*k-1)*F(n,k-1)/(2*n+1))

3   Pass
%% F = @(n,k)(sin(n)+sin(k)) G = @(n,k)(n+k) n = 7; k = 2; y_correct = false; assert(isequal(wzpair(F,G,n,k),y_correct))

F = @(n,k)(sin(n)+sin(k)) G = @(n,k)(n+k)

4   Pass
%% F = @(n,k) (((-1)^k)*nchoosek(n,k)*nchoosek(2*k,k)*4^(n-k)/nchoosek(2*n,n)); G = @(n,k)((2*k-1)*F(n,k-1)/(2*n+1)) n = 6; k = 4; y_correct = true; assert(isequal(wzpair(F,G,n,k),y_correct))

G = @(n,k)((2*k-1)*F(n,k-1)/(2*n+1))

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