gradient

FREQ #24114 ★☆☆☆☆

n. 倾斜度, 梯度, 坡度, 斜率 a. 渐升的, 渐降的, 步行的

发音

US /ˈɡɹeɪdiənt/

词形变化

gradients 复数 gradients

释义与例句

n.
  1. 1.

    A slope or incline.

  2. 2.

    A rate of inclination or declination of a slope.

  3. 3.

    The ratio of the rates of change of a dependent variable and an independent variable, the slope of a curve's tangent.

    数学
  4. 4.

    The rate at which a physical quantity increases or decreases relative to change in a given variable, especially distance.

  5. 5.

    A differential operator that maps each point of a scalar field to a vector pointed in the direction of the greatest rate of change of the scalar. Notation for a scalar field φ: ∇φ

    梯度

    数学
  6. 6.

    A gradual change in color; a color gradient; gradation.

adj.
  1. 1.

    Moving by steps; walking.

  2. 2.

    Rising or descending by regular degrees of inclination.

    the gradient line of a railroad

  3. 3.

    Adapted for walking, as the feet of certain birds.

  4. 4.

    Using the gradient to solve a problem.

    数学

词汇关系

名词

同义词 1

slope

上位词 2

change position

下位词 9

grade pitch rake gentleness slant abruptness gradualness precipitousness steepness

相关短语

gradient wind gradient post gradient posts gradient winds gradient descent [计] 梯度下降 pressure gradient force pressure gradient forces pressure gradient [医] 压力阶度 ruling gradient

词源

From Latin gradiēns, present participle of gradior (“to step, to walk”).

来源：wiktionary