Cody

# Problem 1546. Create matrix with Gray code

Solution 2019813

Submitted on 14 Nov 2019
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### Test Suite

Test Status Code Input and Output
1   Fail
x = 0; y_correct = 1; y_correct(1) = []; assert(isequal(gray_code(x),y_correct)&isequal(class(gray_code(x)),'double'))

a = 1×0 empty double row vector b = 8×3 char array '000' '001' '010' '011' '100' '101' '110' '111' c = '000' a = 0

Output argument "g" (and maybe others) not assigned during call to "gray_code". Error in Test1 (line 4) assert(isequal(gray_code(x),y_correct)&isequal(class(gray_code(x)),'double'))

2   Fail
x = 1; y_correct = [0;1]; assert(isequal(gray_code(x),y_correct)&isequal(class(gray_code(x)),'double'))

a = 0 0 b = 8×3 char array '000' '001' '010' '011' '100' '101' '110' '111' c = '000' a = 0 0 c = '001' a = 0 0

Output argument "g" (and maybe others) not assigned during call to "gray_code". Error in Test2 (line 3) assert(isequal(gray_code(x),y_correct)&isequal(class(gray_code(x)),'double'))

3   Fail
x = 2; y_correct = [0 0;0 1;1 1;1 0]; assert(isequal(gray_code(x),y_correct)&isequal(class(gray_code(x)),'double'))

a = 0 0 0 0 0 0 0 0 b = 8×3 char array '000' '001' '010' '011' '100' '101' '110' '111' c = '000' a = 0 0 0 0 0 0 0 0 a = 0 0 0 0 0 0 0 0 c = '001' a = 0 0 0 0 0 0 0 0 a = 0 0 0 0 0 0 0 0 c = '010' a = 0 0 0 0 0 0 0 0 a = 0 0 0 0 0 1 0 0 c = '011' a = 0 0 0 0 0 1 0 0 a = 0 0 0 0 0 1 0 1

Output argument "g" (and maybe others) not assigned during call to "gray_code". Error in Test3 (line 3) assert(isequal(gray_code(x),y_correct)&isequal(class(gray_code(x)),'double'))

4   Fail
x = 5; y_correct = [0 0 0 0 0;0 0 0 0 1;0 0 0 1 1;0 0 0 1 0;0 0 1 1 0;0 0 1 1 1 0 0 1 0 1;0 0 1 0 0;0 1 1 0 0;0 1 1 0 1;0 1 1 1 1;0 1 1 1 0;0 1 0 1 0 0 1 0 1 1;0 1 0 0 1;0 1 0 0 0;1 1 0 0 0;1 1 0 0 1;1 1 0 1 1;1 1 0 1 0 1 1 1 1 0;1 1 1 1 1;1 1 1 0 1;1 1 1 0 0;1 0 1 0 0;1 0 1 0 1;1 0 1 1 1 1 0 1 1 0;1 0 0 1 0;1 0 0 1 1;1 0 0 0 1;1 0 0 0 0]; assert(isequal(gray_code(x),y_correct)&isequal(class(gray_code(x)),'double'))

a = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 8×3 char array '000' '001' '010' '011' '100' '101' '110' '111' c = '000' a = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 a = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 a = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Index exceeds the number of array elements (3). Error in gray_code (line 8) a(i,j)=xor(str2num(c(j)),str2num(c(j-1))) Error in Test4 (line 7) assert(isequal(gray_code(x),y_correct)&isequal(class(gray_code(x)),'double'))