Problem 214. Filter values in a vector

Solution 117721

Submitted on 23 Jul 2012 by Noah

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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)); ans = 2 4 6 8 10 12 14 16 18 20
2	Pass	%% x = 'Aa is lava.'; fh = @(c) lower(c) == 'a'; y_correct = 'Aaaa'; assert(isequal(filterfun(fh, x), y_correct)); ans = Aaaa
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)); ans = [ 1] [1x3 double]

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));

ans = 2 4 6 8 10 12 14 16 18 20

Pass

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

ans = Aaaa

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));

ans = [ 1] [1x3 double]

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