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

# Solution 140523

Submitted on 19 Sep 2012 by Richard Zapor

Correct

20329Size
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### Test Suite

Test
Code Input and Output
1
Pass

```%%
feval(@assignin,'caller','score',40000);
```

2
Pass

```%%
% Warm-Up Calls and functionality check
tic
c=randi(4,1024,48,'uint8')-1;
out = unique_rows_fast(c);
assert(isequal(unique(c,'rows'),out))
c=randi(4,2048,48,'uint8')-1;
out = unique_rows_fast(c);
assert(isequal(unique(c,'rows'),out))
c=randi(4,4096,48,'uint8')-1;
out = unique_rows_fast(c);
assert(isequal(unique(c,'rows'),out))
toc
```
```Elapsed time is 0.099873 seconds.
```
3
Pass

```%%
tic
c=randi(4,9000000,48,'uint8')-1;
toc
ta=clock;
out = unique_rows_fast(c);
t1=etime(clock,ta)*1000;
%assert(isequal(unique(c,'rows'),out)) % avoid time-out vs mem
t2=min(40000,t1); % unique scores memory crash
fprintf('Actual Time = %.0f msec\n',t1)
feval(@assignin,'caller','score',floor(t2));
```
```Elapsed time is 15.405229 seconds.
Actual Time = 20330 msec
```