quadratic中文什么意思

adj.
1.【数学】二次的。
2.方形的。n.
1.【数学】二次方程式；二次项。
+更多解释...2.〔pl. 作单数用〕【数学】二次方程式论。

• complete quadratic:    全二次方程
• piecewise quadratic:    分段平方的
• quadratic approximation:    二次逼近

例句与用法

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1. Some quadratic equations have no real roots .
   某些二次方程没有实数根。
2. Their difference is a quadratic residue of 17 .
   它们的差是17的平方剩余。
3. The quadratic aperture of the cat's-eye diaphragm is imaged too large .
   猫眼光栏的方形光孔成象太大。
4. This is usually a much stronger requirement than quadratic integrability .
   这通常是一个比平方可积更强的要求。
5. Every function whose derivative is linear is a quadratic function .
   任意一个导数为线性函数的函数都是二次函数。

英文释义

名词

1. a polynomial of the second degree
   同义词：quadratic polynomial
2. an equation in which the highest power of an unknown quantity is a square
   同义词：quadratic equation

a

1. of or relating to the second power; "quadratic equation"
2. of or relating to or resembling a square; "quadratic shapes"

百科释义

In mathematics, the term quadratic describes something that pertains to squares, to the operation of squaring, to terms of the second degree, or equations or formulas that involve such terms. Quadratus is Latin for square.