TestSurrogateBound.py 文件源码

def plotErrorVsAlph(alphaVals=np.linspace(.001, 3, 1000),
                    beta1=0.5):
    exactVals = cD_exact(alphaVals, beta1)
    boundVals = cD_bound(alphaVals, beta1)
    assert np.all(exactVals >= boundVals)
    pylab.plot(alphaVals, exactVals - boundVals,
               '-', linewidth=LINEWIDTH, label='beta_1=%.2f' % (beta1))

    pylab.xlim([np.min(alphaVals) - 0.1, np.max(alphaVals) + 0.1])
    pylab.xticks(np.arange(np.max(alphaVals) + 1))
    pylab.xlabel("alpha", fontsize=FONTSIZE)

    pylab.ylabel("error", fontsize=FONTSIZE)
    pylab.yticks(np.arange(0, 1.5, 0.5))
    pylab.tick_params(axis='both', which='major', labelsize=TICKSIZE)