How do I use expression component to create a parametric relationship (ratio) between circles within a boundary surface along u and v

I have formatted circles on points with a boundary surface but wonder how do I use the expression component to create a parametric relationship (ratio) between circles within a boundary surface along u and v.
Please see attached the file for the process so far, as well as a video of the aim for the final output.
I’d really appreciate any help with this please.
Kind regards,
Anna

Circle practice.gh (7.0 KB)

You should not create duplicates of your topics…

How do I create a parametric relationship (ratio) between circles in a grid - Grasshopper - McNeel Forum

THREE duplicate threads! Very poor form @acmoroney1

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Hello
I had some hope as you finally posted a script. You seem to be really at the beginning. The best advice is surely you read this, it is Grasshopper Primer. You’ll find many good explanations, examples, …
https://www.modelab.is/grasshopper-primer

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