parameters: (rFluid=20, phi=0.4, m=2, n=2)
return_statement: return pg.trans.TransPower(-1/n, rFluid*phi**(-m))
docstring: Inverse Archie transformation function saturation(resistivity).
docstring_summary: Inverse Archie transformation function saturation(resistivity).
docstring_tokens: Inverse Archie transformation function saturation ( resistivity ) .
function: def transInvArchieS(rFluid=20, phi=0.4, m=2, n=2):  # S(rho)
      """Inverse Archie transformation function saturation(resistivity)."""
      # rFluid/rho = phi^m S^n => S=(rFluid/rho/phi^m)^(1/n)
      # S = (rho/rFluid/phi^-m)^(-1/n)
      return pg.trans.TransPower(-1/n, rFluid*phi**(-m))
function_tokens: def transInvArchieS ( rFluid = 20 , phi = 0.4 , m = 2 , n = 2 ) : # S(rho) # rFluid/rho = phi^m S^n => S=(rFluid/rho/phi^m)^(1/n) # S = (rho/rFluid/phi^-m)^(-1/n) return pg . trans . TransPower ( - 1 / n , rFluid * phi ** ( - m ) )