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revise slogdet doc #7327

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Update slogdet_cn.rst
aquagull Jun 20, 2025
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Merge branch 'PaddlePaddle:develop' into aquagull-patch-1
aquagull Jun 20, 2025
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Update slogdet_cn.rst
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Update slogdet_cn.rst
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3 changes: 2 additions & 1 deletion docs/api/paddle/linalg/slogdet_cn.rst
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Expand Up @@ -9,6 +9,7 @@ slogdet
.. note::
1. 如果行列式值为 0，则符号值为 0，自然对数值为-inf。
2. 如果计算的是复矩阵的行列式， :math:`abs(det)` 为行列式的模，因此符号值为 :math:`det / abs(det)` 。
3. 该 API 的返回值结构已从单个形状为 `[2, *]` 的堆叠 Tensor（其中索引 0 表示 sign，索引 1 表示 logdet）调整为包含两个独立 Tensor `(sign, logdet)` 的元组（参见 `PR #72505 <https://github.com/PaddlePaddle/Paddle/pull/72505>`_）。这可能会导致依赖旧返回值结构的已导出推理模型不兼容。

参数
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Expand All @@ -18,7 +19,7 @@ slogdet
返回
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Tensor，输出矩阵的行列式值 Shape 为 ``[2, *]``。
tuple(Tensor, Tensor): 包含两个 Tensor 的元组：(sign, logabsdet)。第一个 Tensor 表示行列式的符号，第二个 Tensor 表示行列式绝对值的自然对数。

代码示例
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