名词
中文翻译：非负矩阵
同义词：
['positive matrix', 'non-negative matrix', 'positive definite matrix例句：1. In this problem', 'we need to solve a nonnegative matrix equation.（在这个问题上，我们需要解决一个非负矩阵方程。）2. The nonnegative matrix method is widely used in optimization problems.（非负矩阵方法在优化问题中被广泛应用。）']
例句：
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1. In this problem, we need to solve a nonnegative matrix equation.
在这个问题上，我们需要解决一个非负矩阵方程。
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2. The nonnegative matrix method is widely used in optimization problems.
非负矩阵方法在优化问题中被广泛应用。
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3.The nonnegative matrix factorization technique has been applied to image recognition tasks.
非负矩阵分解技术已经被应用于图像识别任务中。