Cody

# Problem 564. How to subtract?

Solution 3413298

Submitted on 26 Oct 2020
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### Test Suite

Test Status Code Input and Output
1   Fail
X='+68768686834554'; Y='+76574535435398'; Z_correct='-7805848600844'; assert(isequal(mysub(X,Y),Z_correct))

Undefined function 'Znum2str' for input arguments of type 'double'. Error in mysub (line 4) Znum2str(x-y) Error in Test1 (line 4) assert(isequal(mysub(X,Y),Z_correct))

2   Fail
X='+1'; Y='+2'; Z_correct ='-1'; assert(isequal(mysub(X,Y),Z_correct))

Undefined function 'Znum2str' for input arguments of type 'double'. Error in mysub (line 4) Znum2str(x-y) Error in Test2 (line 4) assert(isequal(mysub(X,Y),Z_correct))

3   Fail
X='+100'; Y='+20'; Z_correct ='+80'; assert(isequal(mysub(X,Y),Z_correct))

Undefined function 'Znum2str' for input arguments of type 'double'. Error in mysub (line 4) Znum2str(x-y) Error in Test3 (line 4) assert(isequal(mysub(X,Y),Z_correct))

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