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我使用以下代码networkx图表转换为numpy的矩阵在python：

a = networkx.attr_matrix(G, edge_attr='length') 

产生以下输出：

(matrix([[ 0. , 0. , 1.2, ..., 0. , 0. , 0. ], 
    [ 0. , 0. , 0. , ..., 0. , 0. , 0. ], 
    [ 1.2, 0. , 0. , ..., 0. , 0. , 0. ], 
    ..., 
    [ 0. , 0. , 0. , ..., 0. , 0. , 0. ], 
    [ 0. , 0. , 0. , ..., 0. , 0. , 0. ], 
    [ 0. , 0. , 0. , ..., 0. , 0. , 0. ]]), [u'2103498021', u'2103498020', u'2103498023', u'113989403', u'113989405', u'1710872366', u'3685289122', u'3685289123', u'3685289120', u'3685289121', u'3685289126', u'3685289128', u'3685289124', u'3685289125', u'1270530876', u'3685289129', u'1270530979', u'113994337', u'1270530844', u'4263217243', u'3685282301', u'2937091496', u'2937091497', u'1270531058', u'2937091495', u'1270531057', u'2937091498', u'113989407', u'3918709551', u'2597724409', u'113989367', u'3685289157', u'3685289156', u'3685289155', u'3685289154', u'3685289153', u'3685289152', u'3685289151', u'3685289150', u'1629018759', u'113987788', u'2937103124', u'1629018754', u'1629018756', u'114069275', u'113987780', u'1629018753', u'113987782', u'3262155880', u'3262155881', u'3262155882', u'3262155883', u'3262155884', u'3262155885', u'3262155886', u'3262155887', u'3262155888', u'3262155889', u'1270530802', u'1270530803', u'1270530801', u'1270530807', u'1270530805', u'2528097856', 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u'3685289084', u'3685289087', u'3685289086', u'3685289081', u'3685289080', u'3685289083', u'1270530894', u'114024436', u'3009655113', u'2961370852', u'2528097732', u'940960086', u'3685289108', u'3685289109', u'1524810658', u'1524810659', u'1524810656', u'3685289105', u'3685289106', u'3685289107', u'3685289100', u'3685289101', u'3685289102', u'3685289103', u'2284958967', u'1270530955', u'1270530956', u'1270530957', u'1270530958', u'1270530959', u'3685282288', u'3685282289', u'1270531070', u'2973853833', u'2973853836', u'2973853837', u'2973853834', u'2973853835', u'2528097789', u'113983532', u'2973853838', u'2973853839', u'2937092642', u'114024439', u'2937092640', u'2937092641', u'2958019672', u'114024430', u'1629012425', u'3685289033', u'3685289035', u'3685289036', u'1629018777', u'1629018775', u'1629018773', u'113983520', u'114030782', u'1270530788', u'2284957790', u'113980209', u'3262155944', u'3262155946', u'1270530780', u'3262155943', u'1270530782', u'1270530824', u'1270530826', 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u'3685289141', u'3685289142', u'3685289143', u'3685289144', u'3685289145', u'3685289146', u'3685289147', u'2528097810', u'114047802', u'114018581', u'1836818376', u'3358133679', u'113986428', u'657999885', u'2528097760', u'657999880', u'114047809', u'2528097785', u'2528097766', u'2103274002', u'2713367975', u'2103274005', u'2713367977', u'2961370911', u'2713367979', u'114003642', u'114048338', u'2533965353', u'2877123261', u'2533965210', u'2528097920', u'679019035', u'2528097922', u'1270531327', u'1422819389', u'2528097841', u'3009662942', u'2528097847', u'2528097844', u'113982690', u'1270531323', u'2597724410', u'2937092633', u'1270530763', u'1270530761', u'1270530767', u'3260554909', u'1270530765', u'2528097787', u'3009662964', u'1270531363', u'1270531366', u'114003617', u'3009662938', u'1270531041', u'114031130', u'3685289076', u'2528098014', u'2103273989', u'4263217242', u'4639231451', u'113981763', u'113981762', u'114049425', u'114049422', u'2103498019', u'114047810', 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u'2528097816', u'1270530831', u'1270530930', u'2973853228', u'3685289038', u'2973853227', u'2973853226', u'3685289028', u'114040572', u'1270531016', u'3367669758', u'3367669756', u'1629', u'1270531018', u'114040578', u'658856373', u'1283269660', u'1270531332', u'2528097773', u'2528097775', u'1629012434', u'2528097777', u'1270531334', u'2528097779', u'114069266', u'113980218', u'1270531338', u'3262155903', u'3685282308', u'114003619', u'113992726', u'3262155905', u'2103273988', u'1629012438', u'3262155904', u'2533981123', u'2597719656', u'2597719658', u'679019043', u'1271466165', u'114031117', u'4639231452', u'114054977', u'114054975', u'2528105339', u'1270531530', u'1270531534', u'1270531537', u'3262155892', u'3273715163', u'3273715162', u'1270530913', u'1629015520', u'3273715164', u'2937092611', u'2528097971', u'113984129', u'2961370848', u'2961370849', u'2683691668', u'2528097874', u'2877123239', u'2683691667', u'2683691666', u'2961370844', u'2961370845', u'2961370846', u'2961370847', u'1629018805', u'113987759', u'1629018800', u'114003629', u'1629018802', u'2937092638', u'1629018809', u'113987757', u'3151496567', u'1270530758', u'1270530759', u'1270530790', u'2877123238', u'1270530753', u'114049395', u'1270530751', u'1270530757', u'1270530810', u'114031160', u'114031162', u'1629012414', u'3224290707', u'1629012467', u'2103498022', u'1629012409', u'2937092619', u'2937092618', u'2937092615', u'2937092614', u'2937092616', u'1629012407', u'2937092610', u'2937092613', u'2937092612', u'2973854064', u'114003652', u'3009655131', u'2973854060', u'2973854061', u'2973854062', u'2973854063', u'3685289026', u'114048304']) 

在的端部矩阵，它有rc_order。如何使用代码访问rc_order。

谢谢

Answer 1

输出实际上是一个Numpy矩阵吗？或者它是一个2元组（它看起来像一个元组）。如果是这样，矩阵在[0]中，而“rc_order”在a中[1]。