V2EX gradient

Gradient

释义 Definition

gradient /redint/:梯度;渐变;(道路、地面等的)坡度、倾斜度。常指颜色/光线的逐渐过渡,或数学/物理中“变化率”的方向与大小。(也有其他专业含义,此处选最常见用法。)

发音 Pronunciation (IPA)

/redint/

例句 Examples

The sky faded into a soft blue gradient at sunset.
黄昏时,天空逐渐过渡成柔和的蓝色渐变。

In machine learning, the model updates its parameters by following the gradient to reduce the loss.
在机器学习中,模型通过沿着梯度方向更新参数来降低损失。

词源 Etymology

来自拉丁语 gradus(“步、级、程度”),引申出“按级变化、逐步变化”的含义;后来在数学与科学语境中固定为“变化率/梯度”,在设计语境中常指“渐变”。

相关词 Related Words

文学作品 Literary Works

  • H. G. Wells The Time Machine(《时间机器》):作品中有对地形起伏与坡度变化的描写,常可见 gradient 用于表达“坡度/倾斜度”。
  • John Ruskin Modern Painters(《现代画家》):讨论绘画中的明暗与色彩过渡时,常涉及类似“渐变/过渡”的表达,gradient 在艺术评论语境中常见。
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