Cody

# Problem 1771. Polygonal numbers

Solution 2762554

Submitted on 31 Jul 2020
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### Test Suite

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

Error in solution: Line: 2 Column: 48 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

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

Error in solution: Line: 2 Column: 48 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

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

Error in solution: Line: 2 Column: 48 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

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

Error in solution: Line: 2 Column: 48 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

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

Error in solution: Line: 2 Column: 48 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

6   Fail
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))

Error in solution: Line: 2 Column: 48 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

7   Fail
% for M.Z. s=[5 6 7]'; n=[2 8 9]; y_correct=[5 92 117;6 120 153;7 148 189]; assert(isequal(P(flipud(s),n),flipud(y_correct)))

Error in solution: Line: 2 Column: 48 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

8   Fail
s=randi([3,1000]); n=randi([3,1000]); assert(P(s+1,n+1)-P(s,n+1)==P(3,n))

Error in solution: Line: 2 Column: 48 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.