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#!-coding:UTF-8
import matplotlib.pyplot as plt
from pylab import *
import numpy as np
import scipy.io as sio
load_fn = '6electrodes.mat'
load_data = sio.loadmat(load_fn)
load_matrix = load_data['A1']
load_matrix_row = load_matrix[0]
print type(load_data)
figure(1)
plot(load_matrix)
print type(load_matrix)
show()
http://blog.csdn.net/honyniu/article/details/50009397