import numpy as np

def translate(coords):
    '''
    Coords are in the form [(x, y)]
    '''
    x_arr, y_arr = np.array(coords).transpose()
    x_min = x_arr.min()
    y_min = y_arr.min()

    if x_min < 0:
        x_arr -= x_min
    if y_min < 0:
        y_arr -= y_min

    trans_coords = np.vstack([x_arr, y_arr]).transpose()
    return trans_coords