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If I understand your question correctly, you want to pre-populate your matrix fields. Is that correct?
It seems I have already answered you on the following thread: https://www.jotform.com/answers/93645 Let me answer it here as well:
Yes it is possible to pre-populate your matrix field as well. You can do this with URL parameter to pre-populate any form field with it's name. Please check the screenshot below:
You may like to take a look at our "Field Prepopulator" app which should help you generate the pre-populator app to generate the URL with parameters.
Hope this helps.
Do get back to us if you have any questions.
This is a very old thread. I have moved your question to a new thread and you will be answered here: http://www.jotform.com/answers/780642