Cody

Problem 2084. Sum Rows

Solution 463112

Submitted on 27 Jun 2014 by rifat
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Test Suite

Test Status Code Input and Output
1   Pass
%% x=[1 6; 1 8 ; 1 10]; y_correct = [1 24]; assert(isequal(sum_indexed(x),y_correct))

x = 1 6 1 8 1 10 NaN NaN Inf Inf ans = 1 24

2   Pass
%% x=[1 6; 1 8 ; 1 10; 2 13; 2 24]; y_correct = [1 24; 2 37]; assert(isequal(sum_indexed(x),y_correct))

x = 1 6 1 8 1 10 2 13 2 24 NaN NaN Inf Inf ans = 1 24 2 37

3   Pass
%% x=[1 6; 1 8 ; 1 10; 2 13; 2 24; 3 1; 3 2; 3 3; 3 4]; y_correct = [1 24; 2 37; 3 10]; assert(isequal(sum_indexed(x),y_correct))

x = 1 6 1 8 1 10 2 13 2 24 3 1 3 2 3 3 3 4 NaN NaN Inf Inf ans = 1 24 2 37 3 10

4   Pass
%% x=[1 6; 1 8 ; 1 10; 2 13; 2 24; 3 1; 3 2; 3 3; 3 4; 8 0; 8 2]; y_correct = [1 24; 2 37; 3 10; 8 2]; assert(isequal(sum_indexed(x),y_correct))

x = 1 6 1 8 1 10 2 13 2 24 3 1 3 2 3 3 3 4 8 0 8 2 NaN NaN Inf Inf ans = 1 24 2 37 3 10 8 2

5   Pass
%% x=[5 6]; y_correct = [5 6]; assert(isequal(sum_indexed(x),y_correct))

x = 5 6 NaN NaN Inf Inf ans = 5 6