MATLAB: Ao can I display a var-comment-var

MATLAB

I have two variables like A and B, now I need to print in command window variable1-comment-variable2 how can I do this?

Best Answer

If A and B are numbers, you can use

 disp([num2str(A) ' my comment in between ' num2str(B)])

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MATLAB: Continuous analog output ao daq

I have not used that card (or even the DAQ toolbox in a long time). It would not surprise me if the limit was 2^32. In fact

log2(4.2929e+09)

ans =

   31.9993

The limit is likely on the NI driver and not the DAQ toolbox. At 100 kHz, 2^32 samples is already 12 hours, how long do you need to go for? Can you lower the sample rate?

MATLAB: Regexp : get all the match for one expression

It's not possible to do what you want with just a regular expression. A character can only be part of one match, so once you've captured 'bigFamily_' you can't capture it again as part of bigFamily_middleFamily_ within the same regular expression.

What I would do is just capture each *family part and rebuild all the possible combinations:

var =  'bigFamily_middleFamily_littleFamily_childName';
subfamilies = regexp(var, '[a-zA-Z0-9]+_', 'match');
combinations = num2cell(logical(tril(ones(numel(subfamilies)))), 2);
families = cellfun(@(c) strcat(subfamilies{c}), combinations, 'UniformOutput', false)

Or if you don't want the trailing '_':

var =  'bigFamily_middleFamily_littleFamily_childName';
subfamilies = regexp(var, '[a-zA-Z0-9]+(?=_)', 'match');
combinations = num2cell(logical(tril(ones(numel(subfamilies)))), 2);
families = cellfun(@(c) strjoin(subfamilies(c), '_'), combinations, 'UniformOutput', false)

Best Answer

Related Solutions

MATLAB: Continuous analog output ao daq

MATLAB: Regexp : get all the match for one expression

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