Cody

Problem 1771. Polygonal numbers

Solution 684170

Submitted on 9 Jun 2015 by goc3
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Test Suite

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

v = 9

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

v = 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))

v = 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))

v = 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))

v = 8655 9855 8125 2425 5935 7655 855 6315 9205 7475

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))

v = 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))

v = 79310865 v = 79109570 v = 201295

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