Cody

# Problem 44274. Calculate the sum of two polynomials

Solution 1721410

Submitted on 5 Feb 2019
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### Test Suite

Test Status Code Input and Output
1   Pass
a=[3 4 5]; b=[1 4 7 6]; y_correct = [1 7 11 11]; assert(isequal(rwpadd(a,b),y_correct))

2   Fail
a=[1 1 1 3 -2]; b=[1 3]; y_correct = [1 1 1 4 1]; assert(isequal(rwpadd(a,b),y_correct))

Error using horzcat Dimensions of arrays being concatenated are not consistent. Error in rwpadd (line 2) p= [zeros(numel(b)-numel(a),1) a]+[zeros(numel(a)-numel(b),1) b]; Error in Test2 (line 4) assert(isequal(rwpadd(a,b),y_correct))

3   Fail
a=[1]; b=[1 2 3]; y_correct = [1 2 4]; assert(isequal(rwpadd(a,b),y_correct))

Error using horzcat Dimensions of arrays being concatenated are not consistent. Error in rwpadd (line 2) p= [zeros(numel(b)-numel(a),1) a]+[zeros(numel(a)-numel(b),1) b]; Error in Test3 (line 4) assert(isequal(rwpadd(a,b),y_correct))