indicator function on subdomain -- CFD Online Discussion Forums

March 4, 2012, 06:07	indicator function on subdomain	#1
plocq New Member plocq Join Date: Mar 2012 Posts: 1 Rep Power: 0	Hi everybody, I am a new user of Freefem++ and I have the following problem. I have defined a domain (a square) and then a mesh on this domain. I now want to define a function (func) that is a sum of indicator functions taking the value 1 on disks that are located in the domain (but these disks are not defined in the mesh!). I have tried several things without success... If someone can help me I would be glad Thank you!

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