MATLAB: Array of strings into 2 number array

array of strings into 2d number array

Hello, i have an array of 3 strings,each string is consists of two numbers spaced by tab. i would like to create a 2X3 2D array.i thought of going with for loop using strsplit and str2num. is there an easier way,without for loop?

Thanks

Best Answer

str = {'apple' 'boy'} ;    % you may take numbers
repmat(str,2,3)

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S = 'Apples, Bananas, Dogs, Cats'
C = strsplit(S, ',')

MATLAB: Does STRMATCH in MATLAB cause an error for a cell array containing a numeric value

In this example:

str = 9;
strs = strvcat('This is a string array','with two rows');
ind = strmatch(str,strs);

the normal STRMATCH is used, since the first input is not a cell array. In this case, 9 could be used as an ASCII value, and converted to a tab character. That character can then be compared with the other strings.

In this example:

str ={9};
strs = strvcat('This is a cell array of strings','with two rows');
ind = strmatch(str,strs);

@CELL/STRMATCH will be used, since the first input is a cell array. In this case, the code checks that the cell array contains strings, and converts it to a char array:

if iscellstr(str), str = char(str); end

Cell arrays of strings are special cases of cell arrays, which are commonly used to store strings together which have different lengths, and there are many instances where cell arrays of strings and strings can be used interchangeably. However, {9} is not a cell array of strings, so it is not converted to a character array, which leads to the error being thrown by this code:

if ~ischar(str) | ~ischar(strs)
    error('Requires character array or cell array of strings as inputs.')
end

Best Answer

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MATLAB: How do i break a string down into cell arrays containing a string

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