Cody

# Problem 42482. Repeat string n times

Solution 1987734

Submitted on 23 Oct 2019
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### Test Suite

Test Status Code Input and Output
1   Pass
filetext = fileread('rep_str.m'); assert(isempty(strfind(filetext, 'for'))) assert(isempty(strfind(filetext, 'while')))

2   Fail
x = 'string_'; num1 = 6; n = 3; y_correct = {'string_6' 'string_7' 'string_8'}; assert(isequal(rep_str(x,num1,n),y_correct))

l = 3×8 char array 'string_6' 'string_7' 'string_8'

Error using mat2cell (line 89) Input arguments, D1 through D2, must sum to each dimension of the input matrix size, [3 8]. Error in rep_str (line 5) y=mat2cell(l,ones([1 size(l,1)]) , numel(l(1,:))*ones([1 length(l)])) Error in Test2 (line 7) assert(isequal(rep_str(x,num1,n),y_correct))

3   Fail
x = 'stringX_'; num1 = 2; n = 1; y_correct = {'stringX_2'}; assert(isequal(rep_str(x,num1,n),y_correct))

l = 'stringX_2'

Error using mat2cell (line 89) Input arguments, D1 through D2, must sum to each dimension of the input matrix size, [1 9]. Error in rep_str (line 5) y=mat2cell(l,ones([1 size(l,1)]) , numel(l(1,:))*ones([1 length(l)])) Error in Test3 (line 5) assert(isequal(rep_str(x,num1,n),y_correct))

4   Fail
x = 'stringA_'; num1 = 8; n = 4; y_correct = {'stringA_8' 'stringA_9' 'stringA_10' 'stringA_11'}; assert(isequal(rep_str(x,num1,n),y_correct))

l = 4×10 char array 'stringA_ 8' 'stringA_ 9' 'stringA_10' 'stringA_11'

Error using mat2cell (line 89) Input arguments, D1 through D2, must sum to each dimension of the input matrix size, [4 10]. Error in rep_str (line 5) y=mat2cell(l,ones([1 size(l,1)]) , numel(l(1,:))*ones([1 length(l)])) Error in Test4 (line 8) assert(isequal(rep_str(x,num1,n),y_correct))

5   Fail
x = 'strM_'; num1 = 0; n = 5; y_correct = {'strM_0' 'strM_1' 'strM_2' 'strM_3' 'strM_4'}; assert(isequal(rep_str(x,num1,n),y_correct))

l = 5×6 char array 'strM_0' 'strM_1' 'strM_2' 'strM_3' 'strM_4'

Error using mat2cell (line 89) Input arguments, D1 through D2, must sum to each dimension of the input matrix size, [5 6]. Error in rep_str (line 5) y=mat2cell(l,ones([1 size(l,1)]) , numel(l(1,:))*ones([1 length(l)])) Error in Test5 (line 9) assert(isequal(rep_str(x,num1,n),y_correct))