for x∈R, f(x) = f(-x),則f(x) 為偶函數; for x∈R, f(-x) = -f(x),則f(x) 為奇 ... b1, b2, …, bn as Fourier coefficient,使f(x)=a0+∑∞n=1(ancosnx+bnsinnx) f ...
確定! 回上一頁