Problem 214. Filter values in a vector

Solution 24768

Submitted on 2 Feb 2012 by Bård Skaflestad

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Test	Status	Code Input and Output
1	Pass	%% x = (1:20)'; fh = @(xi) mod(xi, 2) == 0; y_correct = (2:2:20)'; assert(isequal(filterfun(fh, x), y_correct));
2	Pass	%% x = 'Aa is lava.'; fh = @(c) lower(c) == 'a'; y_correct = 'Aaaa'; assert(isequal(filterfun(fh, x), y_correct));
3	Pass	%% x = {[]; 1; [1;2]; [2 3 4]; ones(1,1,3)}; fh = @isrow; y_correct = {1; [2 3 4]}; assert(isequal(filterfun(fh, x), y_correct));

Test

Status

Code Input and Output

Pass

%% x = (1:20)'; fh = @(xi) mod(xi, 2) == 0; y_correct = (2:2:20)'; assert(isequal(filterfun(fh, x), y_correct));

Pass

%% x = 'Aa is lava.'; fh = @(c) lower(c) == 'a'; y_correct = 'Aaaa'; assert(isequal(filterfun(fh, x), y_correct));

Pass

%% x = {[]; 1; [1;2]; [2 3 4]; ones(1,1,3)}; fh = @isrow; y_correct = {1; [2 3 4]}; assert(isequal(filterfun(fh, x), y_correct));