Test  Status  Code Input and Output 

1  Pass 
%%
x = [100 23 34 0.005 0.466664 0.555 1 134534];
y_correct = [1 2 3 5 4 5 1 1];
assert(isequal(leadingDigit(x),y_correct))
z =
100
k =
2 3
k =
[]
k =
[]
z =
23
k =
Empty matrix: 1by0
k =
Empty matrix: 1by0
k =
Empty matrix: 1by0
z =
34
k =
Empty matrix: 1by0
k =
1
k =
Empty matrix: 1by0
z =
0.005
k =
1 3 4
k =
Empty matrix: 1by0
k =
1
z =
0.46666
k =
2
k =
1
k =
1
z =
0.555
k =
2
k =
1
k =
1
z =
1
k =
[]
k =
[]
k =
[]
z =
134534
k =
Empty matrix: 1by0
k =
Empty matrix: 1by0
k =
Empty matrix: 1by0

2  Pass 
%%
x = [57 0.2 8913 63 0.838127];
y_correct = [5 2 8 6 8];
assert(isequal(leadingDigit(x),y_correct))
z =
57
k =
Empty matrix: 1by0
k =
Empty matrix: 1by0
k =
Empty matrix: 1by0
z =
0.2
k =
2
k =
1
k =
1
z =
8913
k =
Empty matrix: 1by0
k =
Empty matrix: 1by0
k =
Empty matrix: 1by0
z =
63
k =
Empty matrix: 1by0
k =
1
k =
Empty matrix: 1by0
z =
0.83813
k =
1
k =
Empty matrix: 1by0
k =
1

3  Pass 
%%
x = [0.4336 0.3426 3.5784 2.7694 1.3499];
y_correct = [4 3 3 2 1];
assert(isequal(leadingDigit(x),y_correct))
z =
0.4336
k =
2
k =
1
k =
1
z =
0.3426
k =
1
k =
Empty matrix: 1by0
k =
1
z =
3.5784
k =
Empty matrix: 1by0
k =
Empty matrix: 1by0
k =
2
z =
2.7694
k =
Empty matrix: 1by0
k =
Empty matrix: 1by0
k =
2
z =
1.3499
k =
Empty matrix: 1by0
k =
1
k =
2

4  Pass 
%%
x = [0.3000 0.1 0.00000002 0.5 0.002];
y_correct = [3 1 2 5 2];
assert(isequal(leadingDigit(x),y_correct))
z =
0.3
k =
1
k =
Empty matrix: 1by0
k =
1
z =
0.1
k =
2
k =
1
k =
1
z =
2e08
k =
5
k =
1 4
k =
Empty matrix: 1by0
z =
0.5
k =
1
k =
Empty matrix: 1by0
k =
1
z =
0.002
k =
1 3 4
k =
Empty matrix: 1by0
k =
1

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