Read Edit View history 交叉熵 jiāochāshāng cross entropy Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 交叉熵 · jiāochāshāng · cross entropy 2026/03/04 交叉熵 jiāochāshāng cross entropy cross entropy (information theory) 在机器学习中，交叉熵常被用作损失函数。 created sense Mar 4, 2026, 02:25 AM