Request user input and using that ans for my functions?
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How can I use the user's input and convert it to a numerical value to be used in my remaining codes?
prompt=('Enter a threshold value to convert the grayscale image to black and white: ');
dlg_title=('Threshold level value');
num_lines=1;
defaultans={'0.5'};
answer=inputdlg(prompt,dlg_title,num_lines,defaultans);
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