Cody

# Problem 44341. Hexagonal numbers on a spiral matrix

Solution 1742541

Submitted on 4 Mar 2019
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### Test Suite

Test Status Code Input and Output
1   Fail
m = 1; y_correct = '1'; assert(isequal(hexagonalSpiral(m),y_correct))

Undefined function 'sym' for input arguments of type 'double'. Error in hexagonalSpiral (line 2) m = 1:m; n = sym(m.^2 - m + 1); y = char(sum(2*n.^2 - n)); Error in Test1 (line 3) assert(isequal(hexagonalSpiral(m),y_correct))

2   Fail
m = 2; y_correct = '16'; assert(isequal(hexagonalSpiral(m),y_correct))

Undefined function 'sym' for input arguments of type 'double'. Error in hexagonalSpiral (line 2) m = 1:m; n = sym(m.^2 - m + 1); y = char(sum(2*n.^2 - n)); Error in Test2 (line 3) assert(isequal(hexagonalSpiral(m),y_correct))

3   Fail
m = 5; y_correct = '1293'; assert(isequal(hexagonalSpiral(m),y_correct))

Undefined function 'sym' for input arguments of type 'double'. Error in hexagonalSpiral (line 2) m = 1:m; n = sym(m.^2 - m + 1); y = char(sum(2*n.^2 - n)); Error in Test3 (line 3) assert(isequal(hexagonalSpiral(m),y_correct))

4   Fail
m = 16; y_correct = '420800'; assert(isequal(hexagonalSpiral(m),y_correct))

Undefined function 'sym' for input arguments of type 'double'. Error in hexagonalSpiral (line 2) m = 1:m; n = sym(m.^2 - m + 1); y = char(sum(2*n.^2 - n)); Error in Test4 (line 3) assert(isequal(hexagonalSpiral(m),y_correct))

5   Fail
m = 100; y_correct = '4000333360'; assert(isequal(hexagonalSpiral(m),y_correct))

Undefined function 'sym' for input arguments of type 'double'. Error in hexagonalSpiral (line 2) m = 1:m; n = sym(m.^2 - m + 1); y = char(sum(2*n.^2 - n)); Error in Test5 (line 3) assert(isequal(hexagonalSpiral(m),y_correct))

6   Fail
m = 1295; y_correct = '1456830580539887'; assert(isequal(hexagonalSpiral(m),y_correct))

Undefined function 'sym' for input arguments of type 'double'. Error in hexagonalSpiral (line 2) m = 1:m; n = sym(m.^2 - m + 1); y = char(sum(2*n.^2 - n)); Error in Test6 (line 3) assert(isequal(hexagonalSpiral(m),y_correct))

7   Fail
m = 2500; y_correct = '39062505208334000'; assert(isequal(hexagonalSpiral(m),y_correct))

Undefined function 'sym' for input arguments of type 'double'. Error in hexagonalSpiral (line 2) m = 1:m; n = sym(m.^2 - m + 1); y = char(sum(2*n.^2 - n)); Error in Test7 (line 3) assert(isequal(hexagonalSpiral(m),y_correct))

8   Fail
m = 5000; y_correct = '1250000041666668000'; assert(isequal(hexagonalSpiral(m),y_correct))

Undefined function 'sym' for input arguments of type 'double'. Error in hexagonalSpiral (line 2) m = 1:m; n = sym(m.^2 - m + 1); y = char(sum(2*n.^2 - n)); Error in Test8 (line 3) assert(isequal(hexagonalSpiral(m),y_correct))

9   Fail
m = 8000; y_correct = '13107200170666668800'; assert(isequal(hexagonalSpiral(m),y_correct))

Undefined function 'sym' for input arguments of type 'double'. Error in hexagonalSpiral (line 2) m = 1:m; n = sym(m.^2 - m + 1); y = char(sum(2*n.^2 - n)); Error in Test9 (line 3) assert(isequal(hexagonalSpiral(m),y_correct))