Cody

# Problem 2661. Change Vector Value

Solution 1354201

Submitted on 22 Nov 2017 by Andrew Dobrovolc
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### Test Suite

Test Status Code Input and Output
1   Pass
d=[1 2 2 2 1 2 1 2]; vector=[1 2 3 4 5 6 7 8]; new_vec=[1 4 6 8 9 12 13 16]; assert(isequal(change_direction(vector,d),new_vec)) filetext = fileread('change_direction.m') assert(isempty(strfind(filetext, 'if')))

filetext = 'function new_vec= change_direction(vec,dir) new_vec = vec; for i = 1:length(vec) switch dir(i) case 1 new_vec(i) = (vec(i)*2)-1; case 2 new_vec(i) = vec(i)*2; end end end %This code written by profile_id 6861460 '

2   Pass
d=[ones(1,5) 2*ones(1,4) ones(1,3)]; vector=1:length(d); new_vec=[1 3 5 7 9 12 14 16 18 19 21 23]; assert(isequal(change_direction(vector,d),new_vec)) filetext = fileread('change_direction.m') assert(isempty(strfind(filetext, 'if')))

filetext = 'function new_vec= change_direction(vec,dir) new_vec = vec; for i = 1:length(vec) switch dir(i) case 1 new_vec(i) = (vec(i)*2)-1; case 2 new_vec(i) = vec(i)*2; end end end %This code written by profile_id 6861460 '

3   Pass
d=ones(1,6); vector=[1 2 3 4 5 6]; new_vec=2*vector-1; assert(isequal(change_direction(vector,d),new_vec)) filetext = fileread('change_direction.m') assert(isempty(strfind(filetext, 'if')))

filetext = 'function new_vec= change_direction(vec,dir) new_vec = vec; for i = 1:length(vec) switch dir(i) case 1 new_vec(i) = (vec(i)*2)-1; case 2 new_vec(i) = vec(i)*2; end end end %This code written by profile_id 6861460 '

4   Pass
d=ones(1,50); vector=zeros(1,50); new_vec=vector-1; assert(isequal(change_direction(vector,d),new_vec)) filetext = fileread('change_direction.m') assert(isempty(strfind(filetext, 'if')))

filetext = 'function new_vec= change_direction(vec,dir) new_vec = vec; for i = 1:length(vec) switch dir(i) case 1 new_vec(i) = (vec(i)*2)-1; case 2 new_vec(i) = vec(i)*2; end end end %This code written by profile_id 6861460 '