Getting particular number from 2 rows.

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Yuan Jun Lim 2019-10-30

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https://ww2.mathworks.cn/matlabcentral/answers/488210-getting-particular-number-from-2-rows

回答： galaxy 2019-10-30

Hi,

I would like to get only the value 1 and 1 from first row, and value 2 and 1 from the second row.

So my output will be :

May i ask how do i do it?

Thankyou.

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galaxy 2019-10-30

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/488210-getting-particular-number-from-2-rows#answer_398884

Let 's try

a = {'Scenario_1_mode_1', 'Scenario_2_mode_1', 'Scenario_3_mode_1', 'Scenario_4_mode_1'};
a = a';
for i=1:length(a)
    b = regexp(a{i},'\d*','Match');
    
    if ~isempty(b)
      out(i)=str2double(strjoin(b, ''));
    else
      out(i)=NaN;
    end
end