@Rui_Fang please do not cross post your messages. You have already opened How to L2 projection of the trial function on a coarser mesh then map back to finer mesh - #2 by francesco-ballarin .
I am closing this, and nobody will reply to you here.
@Rui_Fang please do not cross post your messages. You have already opened How to L2 projection of the trial function on a coarser mesh then map back to finer mesh - #2 by francesco-ballarin .
I am closing this, and nobody will reply to you here.