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Solution 293180

Submitted on 31 Jul 2013 by Paul Berglund

Correct

80Size
Leading solution size is 32.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Pass
 
%%
x=[1 5 9;2 6 10;3 nan 11;nan nan nan];
y_correct=[2 5.5 10];
y=average(x);
assert(isequalwithequalnans(y,y_correct))
y=average(x,1);
assert(isequalwithequalnans(y,y_correct))
y_correct=[5;6;7;nan];
y=average(x,2);
assert(isequalwithequalnans(y,y_correct))
y_correct=x;
y=average(x,3);
assert(isequalwithequalnans(y,y_correct))
[Warning: Number of input vectors, 3, did not match the input matrix's number of dimensions, 2. 1
trailing singleton input vectors were removed.]
[> In mat2cell at 83
  In average at 7
  In verifyCode>evaluateCode at 227
  In verifyCode at 40
  In fevalJSON at 14
  In workspacefunc at 7]
2
Pass
 
%%
x=cat(3,[1 5 9;NaN 6 10;NaN 7 NaN;4 8 12],...
 [13 17 21;14 18 22;15 19 NaN;16 20 24]);
y_correct=cat(3,[15 39 62]/6,[87 111 134]/6);
y=average(x);
assert(isequalwithequalnans(y,y_correct))
y=average(x,1);
assert(isequalwithequalnans(y,y_correct))
y_correct=cat(3,[5;8;7;8],[17;18;17;20]);
y=average(x,2);
assert(isequalwithequalnans(y,y_correct))
y_correct=[7 11 15;14 12 16;15 13 NaN;10 14 18];
y=average(x,3);
assert(isequalwithequalnans(y,y_correct))

                    
3
Pass
 
%%
x=zeros(2,1,0);
y_correct=mean(x);
y=average(x);
assert(isequalwithequalnans(y,y_correct))
y=average(x,1);
assert(isequalwithequalnans(y,y_correct))
y_correct=mean(x,2);
y=average(x,2);
assert(isequalwithequalnans(y,y_correct))
y_correct=mean(x,3);
y=average(x,3);
assert(isequalwithequalnans(y,y_correct))