python类randn()的实例源码

def test_running_median():

    x = randn(100)
    rm1 = RunningMedian(x,7).run()
    rm2=  scipy.signal.medfilt(x, 7)
    diff = sum((rm2-rm1)[3:-3])  # get rid of the first and last W/2 points, where W=7

    assert abs(diff)<=1e-10


    # non-even list
    try:
        rm1 = RunningMedian(x,10).run()
        assert True
    except:
        assert True

def test():
    from pylab import randn
    sumouter(randn(11,3),randn(11,4),out=randn(3,4))
    sumprod(randn(11,7),randn(11,7),out=randn(7))

def test():
    from pylab import randn
    sumouter(randn(11,3),randn(11,4),out=randn(3,4))
    sumprod(randn(11,7),randn(11,7),out=randn(7))

def test():
    from pylab import randn
    sumouter(randn(11,3),randn(11,4),out=randn(3,4))
    sumprod(randn(11,7),randn(11,7),out=randn(7))