Cody

Problem 824. Set the array elements whose value is 13 to 0

Solution 570559

Submitted on 30 Jan 2015 by Jon
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.
Solve This Problem View on Solution Map

Test Suite

Test Status Code Input and Output
1   Pass
%% test 1 A = [15 13 3]; y_correct = [15 0 3]; assert(isequal(your_fcn_name(A),y_correct)) filetext = fileread('your_fcn_name.m'); assert(isempty(strfind(filetext, 'for')),'for command is forbidden') assert(isempty(strfind(filetext, 'while')),'while command is forbidden') assert(isempty(strfind(filetext, 'find')),'find command is forbidden') assert(isempty(strfind(filetext, 'ind2sub')),'ind2sub command is forbidden')

2   Pass
%% test 2 A = 13; y_correct = 0; assert(isequal(your_fcn_name(A),y_correct)) filetext = fileread('your_fcn_name.m'); assert(isempty(strfind(filetext, 'for')),'for command is forbidden') assert(isempty(strfind(filetext, 'while')),'while command is forbidden') assert(isempty(strfind(filetext, 'find')),'find command is forbidden') assert(isempty(strfind(filetext, 'ind2sub')),'ind2sub command is forbidden')

3   Pass
%% test 3 A = []; y_correct = []; assert(isequal(your_fcn_name(A),y_correct)) filetext = fileread('your_fcn_name.m'); assert(isempty(strfind(filetext, 'for')),'for command is forbidden') assert(isempty(strfind(filetext, 'while')),'while command is forbidden') assert(isempty(strfind(filetext, 'find')),'find command is forbidden') assert(isempty(strfind(filetext, 'ind2sub')),'ind2sub command is forbidden')

4   Pass
%% test 4 A = [13 0 13; 13 13 8; 13 25 2]; titi = [0 0 0 ; 0 0 8;0 25 2]; assert(isequal(your_fcn_name(A),titi)) filetext = fileread('your_fcn_name.m'); assert(isempty(strfind(filetext, 'for')),'for command is forbidden') assert(isempty(strfind(filetext, 'while')),'while command is forbidden') assert(isempty(strfind(filetext, 'find')),'find command is forbidden') assert(isempty(strfind(filetext, 'ind2sub')),'ind2sub command is forbidden')

5   Pass
%% test 5 with a multidimensional array A=rand(10,10,10); A(1,2,2)=13; A(3,4,1)=13; A(5,6,3)=13; % what you cannot do but me I can ;) ! titi = A; I=find(titi==13); [u,v,w]=ind2sub(size(titi),I); for ii = 1 : numel(u) titi(u(ii),v(ii),w(ii))=0; end assert(isequal(your_fcn_name(A),titi)) filetext = fileread('your_fcn_name.m'); assert(isempty(strfind(filetext, 'for')),'for command is forbidden') assert(isempty(strfind(filetext, 'while')),'while command is forbidden') assert(isempty(strfind(filetext, 'find')),'find command is forbidden') assert(isempty(strfind(filetext, 'ind2sub')),'ind2sub command is forbidden')

6   Pass
%% test 6 repmat ! A = repmat(13,89,17); assert(isequal(your_fcn_name(A),repmat(0,89,17))) filetext = fileread('your_fcn_name.m'); assert(isempty(strfind(filetext, 'for')),'for command is forbidden') assert(isempty(strfind(filetext, 'while')),'while command is forbidden') assert(isempty(strfind(filetext, 'find')),'find command is forbidden') assert(isempty(strfind(filetext, 'ind2sub')),'ind2sub command is forbidden')

7   Pass
%% test 7 magic! A= magic(5); B =A; B(3,3) = 0 assert(isequal(your_fcn_name(A),B)) filetext = fileread('your_fcn_name.m'); assert(isempty(strfind(filetext, 'for')),'for command is forbidden') assert(isempty(strfind(filetext, 'while')),'while command is forbidden') assert(isempty(strfind(filetext, 'find')),'find command is forbidden') assert(isempty(strfind(filetext, 'ind2sub')),'ind2sub command is forbidden')

B = 17 24 1 8 15 23 5 7 14 16 4 6 0 20 22 10 12 19 21 3 11 18 25 2 9

8   Pass
%% test 8 floating (maybe people will work with string recognition) A= 13.3; B = A; assert(isequal(your_fcn_name(A),B))

Suggested Problems

More from this Author30

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!