how to create 2-port s-parameters from a n-port simulation

Hello,

I am simulating s-parameters across frequency for a schematic that has 4-ports. I had two separate 2-port networks in my schematic.

In the data display, I would like to construct 2-port s-parameter matrix from the 4-port simulation results using equations. I was able to do this years ago, but I have since forgotten the syntax on how to do so.

Could anybody recommend the best way to do this?

Thanks!
Brian

Nevermind, I figured it out.

Sparam={{S11, S12}, {S21, S22}}

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