ma = [[0.343, 0.351, 0.306], [0.145, 0.368, 0.487]]

[0.343,0.145,   0.351,0.368,    0.306, 0.487]

a = np.array(ma)
    print a.shape
    c = a.reshape(3,2,order='F')
    print c

[[ 0.343  0.368]
 [ 0.145  0.306]
 [ 0.351  0.487]]

[[0.404,0.571,0.025],[0.076,0.694,0.23],[0.606, 0.333,0.061],[0.595,0.267,0.138]]

[0.404,0.076,0.606,.595,   0.571,0.694,0.333, .267,   .025,.23,.061,.138]