我有以下代码
a_alpha_beta = zeros((2, len( atime ) ))
for i in range( len( atime ) ):
alpha_beta = transf.clarke(signal[0][i], signal[1][i], signal[2][i])
a_alpha_beta[0][i] = alpha_beta[0][0]
a_alpha_beta[1][i] = alpha_beta[1][0]
如何优化上面的代码,例如如何复制alpha_beta
到a_alpha_beta
?