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Check for sympy

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This commit is contained in:
Alan Saul 2014-03-31 18:22:16 +01:00
parent 292e076a9a
commit 970e133bca
1 changed files with 18 additions and 14 deletions
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8
GPy/likelihoods/symbolic.py
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@ -2,8 +2,12 @@
# Licensed under the BSD 3-clause license (see LICENSE.txt)
import numpy as np
import sympy as sym
from sympy.utilities.lambdify import lambdify
try:
import sympy as sym
sympy_available=True
from sympy.utilities.lambdify import lambdify
except ImportError:
sympy_available=False
import link_functions
from scipy import stats, integrate
from scipy.special import gammaln, gamma, erf, polygamma