In [1]:

    

from qitensor import *
ha = qudit('a', 3, latex_label='\\alpha')
hb = qubit('b', latex_label='\\beta')
x = (ha*hb).O.array()
x[{hb: 0, hb.H: 0}] = ha.O.random_unitary()
x[0,1,0,1] = 1e-3

po_qi_save = get_qitensor_printoptions()
po_np_save = np.get_printoptions()


    

In [2]:

    

x.space


    

    
Out[2]:





$\left| \alpha,\beta \right\rangle\left\langle \alpha,\beta \right|$

In [3]:

    

x


    

    
Out[3]:










 
$\scriptsize{\left< 0_{\alpha}0_{\beta} \right|}$
$\scriptsize{\left< 0_{\alpha}1_{\beta} \right|}$
$\scriptsize{\left< 1_{\alpha}0_{\beta} \right|}$
$\scriptsize{\left< 1_{\alpha}1_{\beta} \right|}$
$\scriptsize{\left< 2_{\alpha}0_{\beta} \right|}$
$\scriptsize{\left< 2_{\alpha}1_{\beta} \right|}$


$\scriptsize{\left| 0_{\alpha}0_{\beta} \right>}$
-0.147965-0.510256j
0
 0.625976-0.206869j
0
 0.082900+0.525578j
0
$\scriptsize{\left| 0_{\alpha}1_{\beta} \right>}$
0
 0.001000+0.j      
0
0
0
0


$\scriptsize{\left| 1_{\alpha}0_{\beta} \right>}$
-0.405207-0.395774j
0
-0.239999+0.668607j
0
 0.417500-0.015155j
0
$\scriptsize{\left| 1_{\alpha}1_{\beta} \right>}$
0
0
0
0
0
0


$\scriptsize{\left| 2_{\alpha}0_{\beta} \right>}$
 0.100710+0.621911j
0
 0.014285+0.24601j 
0
 0.325512+0.660607j
0
$\scriptsize{\left| 2_{\alpha}1_{\beta} \right>}$
0
0
0
0
0
0

In [4]:

    

set_qitensor_printoptions(zero_color_html='lightgreen')
np.set_printoptions(precision=2, suppress=True)
x


    

    
Out[4]:










 
$\scriptsize{\left< 0_{\alpha}0_{\beta} \right|}$
$\scriptsize{\left< 0_{\alpha}1_{\beta} \right|}$
$\scriptsize{\left< 1_{\alpha}0_{\beta} \right|}$
$\scriptsize{\left< 1_{\alpha}1_{\beta} \right|}$
$\scriptsize{\left< 2_{\alpha}0_{\beta} \right|}$
$\scriptsize{\left< 2_{\alpha}1_{\beta} \right|}$


$\scriptsize{\left| 0_{\alpha}0_{\beta} \right>}$
-0.15-0.51j
0
 0.63-0.21j
0
 0.08+0.53j
0
$\scriptsize{\left| 0_{\alpha}1_{\beta} \right>}$
0
0
0
0
0
0


$\scriptsize{\left| 1_{\alpha}0_{\beta} \right>}$
-0.41-0.4j 
0
-0.24+0.67j
0
 0.42-0.02j
0
$\scriptsize{\left| 1_{\alpha}1_{\beta} \right>}$
0
0
0
0
0
0


$\scriptsize{\left| 2_{\alpha}0_{\beta} \right>}$
 0.10+0.62j
0
 0.01+0.25j
0
 0.33+0.66j
0
$\scriptsize{\left| 2_{\alpha}1_{\beta} \right>}$
0
0
0
0
0
0

In [5]:

    

set_qitensor_printoptions(ipy_table_format_mode='latex', zero_color_latex='orange')
x


    

    
Out[5]:





$$\scriptsize{\begin{array}{|l|cc|cc|cc|}
\hline
&\left< 0_{\alpha}0_{\beta} \right| & \left< 0_{\alpha}1_{\beta} \right| & \left< 1_{\alpha}0_{\beta} \right| & \left< 1_{\alpha}1_{\beta} \right| & \left< 2_{\alpha}0_{\beta} \right| & \left< 2_{\alpha}1_{\beta} \right| \\
\hline
\left| 0_{\alpha}0_{\beta} \right> & -0.15-0.51j & \color{orange}{0} &  0.63-0.21j & \color{orange}{0} &  0.08+0.53j & \color{orange}{0} \\
\left| 0_{\alpha}1_{\beta} \right> & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} \\
\hline
\left| 1_{\alpha}0_{\beta} \right> & -0.41-0.4j  & \color{orange}{0} & -0.24+0.67j & \color{orange}{0} &  0.42-0.02j & \color{orange}{0} \\
\left| 1_{\alpha}1_{\beta} \right> & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} \\
\hline
\left| 2_{\alpha}0_{\beta} \right> &  0.10+0.62j & \color{orange}{0} &  0.01+0.25j & \color{orange}{0} &  0.33+0.66j & \color{orange}{0} \\
\left| 2_{\alpha}1_{\beta} \right> & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} & \color{orange}{0} \\
\hline
\end{array}
}$$

In [6]:

    

set_qitensor_printoptions(ipy_table_format_mode='plain')
x


    

    
Out[6]:





HilbertArray(|a,b><a,b|,
array([[[[-0.15-0.51j,  0.00+0.j  ],
         [ 0.63-0.21j,  0.00+0.j  ],
         [ 0.08+0.53j,  0.00+0.j  ]],

        [[ 0.00+0.j  ,  0.00+0.j  ],
         [ 0.00+0.j  ,  0.00+0.j  ],
         [ 0.00+0.j  ,  0.00+0.j  ]]],


       [[[-0.41-0.4j ,  0.00+0.j  ],
         [-0.24+0.67j,  0.00+0.j  ],
         [ 0.42-0.02j,  0.00+0.j  ]],

        [[ 0.00+0.j  ,  0.00+0.j  ],
         [ 0.00+0.j  ,  0.00+0.j  ],
         [ 0.00+0.j  ,  0.00+0.j  ]]],


       [[[ 0.10+0.62j,  0.00+0.j  ],
         [ 0.01+0.25j,  0.00+0.j  ],
         [ 0.33+0.66j,  0.00+0.j  ]],

        [[ 0.00+0.j  ,  0.00+0.j  ],
         [ 0.00+0.j  ,  0.00+0.j  ],
         [ 0.00+0.j  ,  0.00+0.j  ]]]]))

In [7]:

    

set_qitensor_printoptions(**po_qi_save)
np.set_printoptions(**po_np_save)