Cody

# Problem 733. Extract Built In Functions and Toolbox Functions from String or Function Handle

Solution 114001

Submitted on 17 Jul 2012 by Aurelien Queffurust
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### Test Suite

Test Status Code Input and Output
1   Pass
%% fh_str='log2(x)+smooth3(x,y)+abs(2)+log10(5)'; exp_str='abs log10 log2 smooth3'; assert(isequal(find_functions(fh_str),exp_str))

tt = Columns 1 through 6 '2' '5' 'abs' 'log10' 'log2' 'smooth3' Columns 7 through 8 'x' 'y' y = abs log10 log2 smooth3

2   Pass
%% fh_str='for k=log10(x):log2(x)+abs(x)'; exp_str='abs for log10 log2'; assert(isequal(find_functions(fh_str),exp_str))

tt = 'abs' 'for' 'k' 'log10' 'log2' 'x' y = abs for log10 log2 y = abs for log10 log2

3   Pass
%% fh_str=@(x)x^2+sin(x)-cos(x); exp_str='cos sin'; assert(isequal(find_functions(fh_str),exp_str))

fh_str = @(x)x^2+sin(x)-cos(x) tt = '2' 'cos' 'sin' 'x' y = cos sin y = cos sin

4   Pass
%% fh_str='@(x)x^2+sin(x)-cos(x)'; exp_str='cos sin'; assert(isequal(find_functions(fh_str),exp_str))

tt = '2' 'cos' 'sin' 'x' y = cos sin y = cos sin

5   Pass
%% fh_str='filter2(x,A)+filter(x)-cos(x) expm(z)'; exp_str='cos filter expm filter2'; assert(isequal(find_functions(fh_str),exp_str))

tt = 'cos' 'expm' 'filter' 'filter2' 'x' 'z' y = cos filter expm filter2

6   Pass
%% fh_str='smooth3(x,y)-filter(x)+abs(n)+filter2(u)+sin(x)+numel(z)'; exp_str='abs filter numel sin filter2 smooth3'; assert(isequal(find_functions(fh_str),exp_str))

tt = Columns 1 through 6 'abs' 'filter' 'filter2' 'n' 'numel' 'sin' Columns 7 through 11 'smooth3' 'u' 'x' 'y' 'z' y = abs filter numel sin filter2 smooth3