Resampling for biophysical processor

Hi i am processing sentinel 2 image in snap toolbox and calculating LAI and other outputs. What upsampling and downsampling methods we should choose while resamepling the bands.
Right now i’m using default methods.

For Sentinel-2 the “S2 Resampling” operator should be used:

@ABraun Thank you for the reply, Can you share the guide or reference where i can look into the math of this as well.
Like i really want to understand how resampling affects the output.

Thanks and regards,

You can have a look at the source code on github:

Thank you @ABraun for the help.