The reluctivity matrix is obtained by using the trigonometric function transformation and the form of coefficient matrix is simplified.
该方法适用于任意阶多项式描曲线非线电场问 题求解，并提高了计算精度。
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And more complex operations, like a trigonometric function, could take over a minute.
而更复杂的像数之类的操作，可能要超一分钟。
Polynomials could also be used to approximate logarithmic and trigonometric functions, which are a real hassle to calculate by hand.
多项式也可近似对数和数这些数手算相当麻烦。
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划词翻译
详细解释
曲线
非线
电场问 题求解，并提高了计算精度。
数之类的操作，可能要超
一分钟。
近似对数和
