import numpy as np
def testTrisectEdge(x1, x2):
dp = x1 * np.transpose(x2)
print(dp)
dp = np.sum(x1 * np.transpose(x2))
print(dp)
x1 = np.array([ 3, 1, 4 ])
x2 = np.array([ 1, 5, 9 ])
res = testTrisectEdge(x1,x2)
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