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述磁化曲
性谐波电磁场问 
求解，并提高了
精度。
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述磁化曲性谐波电磁场问 求解，并提高了精度。
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