insert elements of array in a string one by one

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Nabhdeep Bansal 2015-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/213637-insert-elements-of-array-in-a-string-one-by-one

评论： Stephen23 2015-4-27

i have a string containing url 'http://www.upsc.gov.in/cgi-bin1/ENGG/Marks/engg_wq_marks_response.pl?roll_no= 098909 ---'

the digits in the bold are to be changed at every iteration of the for loop and the new element of an array are to be inserted. But MATLAB does not consider a variable inside a string.

How can i solve this problem?

Thanks in advance.

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Stephen23 2015-4-27

This is easy using sprintf, and the documentation contains plenty of examples.

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Answer 1

Jan 2015-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/213637-insert-elements-of-array-in-a-string-one-by-one#answer_176728

编辑：Jan 2015-4-26

在 MATLAB Online 中打开

Depending on the inputs something like this might help:

for k = 98900:98999
  S = sprintf(['http://www.upsc.gov.in/cgi-bin1/ENGG/Marks', ...
               '/engg_wq_marks_response.pl?roll_no= %06d ---'], k)
end

Or:

C = {'098909', '098910', '098911'};
for k = 1:3
  S = sprintf(['http://www.upsc.gov.in/cgi-bin1/ENGG/Marks', ...
               '/engg_wq_marks_response.pl?roll_no= %s ---'], C{k})
end