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documentation:language_reference:objects:responsefunction:functions:invertenergy [2024/09/16 12:06] – created Maurits W. Haverkortdocumentation:language_reference:objects:responsefunction:functions:invertenergy [2024/10/07 14:59] (current) – Aleksandrs Zacinskis
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 ### ###
-alligned paragraph text+InvertEnergy(G) takes response function $G(\omega)$ as an argument and returns $G(-\omega)$. Argument response function doesn't get overwritten.
 ### ###
  
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 ### ###
-description text+This example initializes a response function in the "list of poles" representation and inverts its energy.
 ### ###
  
 ==== Input ==== ==== Input ====
 <code Quanty Example.Quanty> <code Quanty Example.Quanty>
--- some example code+NEDOS   = 10 
 +HalfBW = 1 
 +dE =HalfBW/NEDOS 
 + 
 +a0 = {0} 
 +b0 = {} 
 + 
 +for i=-NEDOS,NEDOS do 
 +  a0[#a0+1] = i * dE -- energy axis from -1 to 1 
 +  b0[#b0+1] = 0.5 -- flat density of states 
 +end 
 + 
 +G0 = ResponseFunction.New( {a0,b0,mu=0,type="ListOfPoles", name="G0"} ) 
 +G0_inv = ResponseFunction.InvertEnergy(G0) 
 + 
 +print(ResponseFunction.ToTable(G0)) 
 +print(ResponseFunction.ToTable(G0_inv)) 
 </code> </code>
  
 ==== Result ==== ==== Result ====
 <file Quanty_Output> <file Quanty_Output>
-text produced as output+{ { 0 , -1 , -0.9 , -0.8 , -0.7 , -0.6 , -0.5 , -0.4 , -0.3 , -0.2 , -0.1 , 0 , 0.1 , 0.2 , 0.3 , 0.4 , 0.5 , 0.6 , 0.7 , 0.8 , 0.9 , 1 } ,  
 +  { 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 } , 
 +  type = ListOfPoles , 
 +  mu = 0 , 
 +  name = G0 } 
 +   
 +{ { 0 , 1 , 0.9 , 0.8 , 0.7 , 0.6 , 0.5 , 0.4 , 0.3 , 0.2 , 0.1 , 0 , -0.1 , -0.2 , -0.3 , -0.4 , -0.5 , -0.6 , -0.7 , -0.8 , -0.9 , -1 } ,  
 +  { 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 , 0.5 } , 
 +  type = ListOfPoles , 
 +  mu = 0 , 
 +  name = G0 } 
 </file> </file>
  

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