@staticmethod
    def cumMin(v):
        u = numpy.zeros(v.shape[0])
        
        for i in range(v.shape[0]):
            u[i] = numpy.min(v[0:i+1])
            
        return u
Find the minimum element of a 1d array v for each subarray, starting 
dataset/ETHPy150Open charanpald/APGL/apgl/util/Util.py/Util.cumMin