[工數] 請問傅立葉轉換的變數能否為虛數
請問一下版上的先進
傅立葉轉換:
1/(2π)^1/2 *∫(積分範圍-∞到∞) f(x) * e^(-kx) dx = f(k)
請問x和k可否為複數,謝謝
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