Is it possible to pass a date to a matrix field by calculation?

I wanted to know if it were possible to create a calculation in the actual matrix.

For example, a cell in the matrix equals a date that someone put in above the matrix.

Is this possible

You can do this by conditional logic:

https://www.jotform.com/help/268-Conditional-Logic-Inserts-Text-Calculation-Into-A-Field

Add Field and Summary will allow you to select what input in the matrix to calculate. Here's an example when adding a condition:

You can see this action in this test form: https://form.jotform.com/70193530732956.