This code works for me on numpy 1.6.2 but on 1.7.1 I get an exception, because in the new version numpy.core._internal._index_fields calls ary.view() and this doesn't work on object arrays. import ...
在 numpy 中，数组可能具有包含字段的数据类型，类似于电子表格中的列。一个例子是[(a, int), (b, float ...
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