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Code/S_get_symbolic_expr_error.py

@@ -9,6 +9,7 @@ from os import path
 from sympy import Symbol, lambdify, N
 
 def get_symbolic_expr_error(data,expr):
+    try:
         N_vars = len(data[0])-1
         possible_vars = ["x%s" %i for i in np.arange(0,30,1)]
         variables = []
@@ -37,4 +38,5 @@ def get_symbolic_expr_error(data,expr):
                 # use this for the case in which the expression is just one number (i.e. not array)
                 #return np.sqrt(np.mean((f(*real_variables)-data[:,-1])**2))/np.sqrt(np.mean(data[:,-1]**2))
                 return np.mean(np.log2(1+abs(f(*real_variables)-data[:,-1])*2**30))
-
+    except:
+        return 1000000