How to return to a pormpt-input line and continue from there a sequence of functions, for multiple time?

Question

Ali Y. 2015-7-25

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/231123-how-to-return-to-a-pormpt-input-line-and-continue-from-there-a-sequence-of-functions-for-multiple-t

评论： Ali Y. 2015-7-25

I have a huge matrix like [800k 6]. I have written a script that load the data and extract some part of that. The script are composed of several functions and some prompt-input lines. Since the input data is large; I want to import the data in the first place and then return (go back) to a certain line in the script to do same process and extract the next output data-set. I tried the combination of 'return' and 'switch' but since Matlab's help about 'return' was not helpful, at least for me, I couldn't find my way. My code is like

 fun 1 % importing data
fun 2
pormpt-input 1 % asking question about which data should be extracted
fun 3
fun 4
fun 5 % writing extracted data to a file
prompt-input 2 % asking question about continuing  the extraction

In the above script I want to go back to the line pormpt-input 1 and continue it to the end of the code, for multiple time.

Could some one help me to go through this problem? Thank you.

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Answer 1

Walter Roberson 2015-7-25

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https://ww2.mathworks.cn/matlabcentral/answers/231123-how-to-return-to-a-pormpt-input-line-and-continue-from-there-a-sequence-of-functions-for-multiple-t#answer_187152

在 MATLAB Online 中打开

fun 1 % importing data
fun 2
should_continue = true;
while should_continue
  prompt-input 1 % asking question about which data should be extracted
  fun 3
  fun 4
  fun 5 % writing extracted data to a file
  prompt-input 2 % asking question about continuing  the extraction 
  should_continue = strcmpi(Input2, 'Y');
end