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proxtoolbox/ProxOperators/P_RN.py

+from proxoperators import ProxOperator
+import numpy as np
+
+class P_RN(ProxOperator):
+	"""
+	Dummy projection subroutine for the fast implementation of the Cimmino ART method for tomographic recostruction of a density profile.
+	"""
+
+	def __init__(self,config):
+		"""
+        Initialization 
+        
+        Parameters
+        ----------
+        config : dict - Dictionary containing the problem configuration
+        """
+		
+
+	def work(self,u0):
+		"""
+        Applies the proxoperator P_RN
+        
+        Parameters
+        ----------
+        u0 : u0.dtype
+        
+        Returns
+        -------
+        v : u0.dtype 
+        """
+		v = u0
+		return v