The reluctivity matrix is obtained by using the trigonometric function transformation and the form of coefficient matrix is simplified.
该方法适意阶多项式描述磁化曲线非线性谐波电磁场问 题，提高了计算精度。
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Polynomials could also be used to approximate logarithmic and trigonometric functions, which are a real hassle to calculate by hand.
多项式也可以用于近似对数和角函数这些函数手算相当麻烦。
And more complex operations, like a trigonometric function, could take over a minute.
角函数之类操作，可能要超过一分钟。
She told her principal and the Riverside Unified school district, she was acting out the SO-CHA-TO, an acronym for the three basic trigonometric functions.
她向河滨市统一学区及其校长解释，自己是在演示SO-CHA-TO， 即个基本角函数缩写。
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划词翻译
详细解释
意阶多项式描述磁化曲线
非线性谐波电磁场问 题
，
提高了计算
角函数
个基本
缩写。
