Cody

Problem 1771. Polygonal numbers

Solution 295851

Submitted on 3 Aug 2013 by Clemens Giegerich
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Test Suite

Test Status Code Input and Output
1   Pass
%% assert(P(4,3)==9)

ans = 9

2   Pass
%% s=3; n=1:5; y_correct=[1 3 6 10 15]; assert(isequal(P(s,n),y_correct))

ans = 1 3 6 10 15

3   Pass
%% s=3:6; n=4; Y_correct=[10 16 22 28]; assert(isequal(P(s,n),Y_correct))

ans = 10 16 22 28

4   Pass
%% s=randi([3 1000],1,10); n=1; y_correct=ones(1,10); assert(isequal(P(s,n),y_correct))

ans = 1 1 1 1 1 1 1 1 1 1

5   Pass
%% s=randi(1000,1,10)+2; n=5; y_correct=10*s-15; assert(isequal(P(s,n),y_correct))

ans = Columns 1 through 8 7535 1825 225 1305 8615 7975 1885 1725 Columns 9 through 10 6765 4005

6   Pass
%% s=[5 6 7]'; n=[2 8 9]; y_correct=[5 92 117;6 120 153;7 148 189]; assert(isequal(P(s,n),y_correct))

ans = 5 92 117 6 120 153 7 148 189

7   Pass
%% s=randi([3,1000]); n=randi([3,1000]); assert(P(s+1,n+1)-P(s,n+1)==P(3,n))

ans = 107040214 ans = 106925733 ans = 114481

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