Discover MakerZone

MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi

Learn more

Discover what MATLAB® can do for your career.

Opportunities for recent engineering grads.

Apply Today

Solution 194388

Submitted on 21 Jan 2013

Incorrect

24Size
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
Fail
 
%%
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))
Error: Dimension argument must be a positive integer scalar within indexing range.
2
Fail
 
%%
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))
Error: Dimension argument must be a positive integer scalar within indexing range.
3
Fail
 
%%
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))
Error: Dimension argument must be a positive integer scalar within indexing range.