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# Tag Archives: Differential Equation

## Fourier… 3

Fourier again. A few years ago, I was with some students to read a textbook about audio engineering. I did not like the book in a few ways. One of the reasons is about treatment of wave equation. 1D wave … Continue reading

## Fourier… 2

Let me resume the Fourier thing. Back and forth transform pair are: , . Since I was concerning about solving ODE using Fourier transform in a similar manner as Lapalce’s, I want to see what the Fourier transform of derivatives … Continue reading

## Fourier, Laplace…

Again this is quasi-mathematical imprecise thoughts about blah blah transforms. I saw a book that has both Fourier and Laplace transforms in its title. The book says that Laplace transform is a generalisation of Fourier transform, in something like this … Continue reading