Problem 39. Which values occur exactly three times?

Solution 95735

Submitted on 5 Jun 2012

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2 Comments

2 Comments

Sergey Sviridenich on 5 Jun 2012

used function tabulate for a solution, however I got the following error : Undefined function 'tabulate' for input arguments of type 'double'. On the other hand this works quite well at my desktop version, can anyone explain why it is so.

Ned Gulley on 6 Jun 2012

Tabulate is in the Statistics Toolbox. http://www.mathworks.com/help/toolbox/stats/tabulate.html

Test Suite

Test	Status	Code Input and Output
1	Fail	%% x = [1 2 5 2 2 7 8 3 3 1 3 8 8 8]; y_correct = [2 3]; assert(isequal(threeTimes(x),y_correct)) Error: Undefined function 'tabulate' for input arguments of type 'double'.
2	Fail	%% x = [1 1 1]; y_correct = [1]; assert(isequal(threeTimes(x),y_correct)) Error: Undefined function 'tabulate' for input arguments of type 'double'.
3	Fail	%% x = [5 10 -3 10 -3 11 -3 5 5 7]; y_correct = [-3 5]; assert(isequal(threeTimes(x),y_correct)) Error: Undefined function 'tabulate' for input arguments of type 'double'.

Test

Status

Code Input and Output

Fail

%% x = [1 2 5 2 2 7 8 3 3 1 3 8 8 8]; y_correct = [2 3]; assert(isequal(threeTimes(x),y_correct))

Error: Undefined function 'tabulate' for input arguments of type 'double'.

Fail

%% x = [1 1 1]; y_correct = [1]; assert(isequal(threeTimes(x),y_correct))

Error: Undefined function 'tabulate' for input arguments of type 'double'.

Fail

%% x = [5 10 -3 10 -3 11 -3 5 5 7]; y_correct = [-3 5]; assert(isequal(threeTimes(x),y_correct))

Error: Undefined function 'tabulate' for input arguments of type 'double'.

Problem 39. Which values occur exactly three times?

Test Suite

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Problem 39. Which values occur exactly three times?

Test Suite

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