Meaning of convolution? - Mathematics Stack Exchange
I am currently learning about the concept of convolution between two functions in my university course. The course notes are vague about what convolution is, so I was wondering if anyone …
definition - What is Convolution? - Mathematics Stack Exchange
2015年9月6日 · 3 The definition of convolution is known as the integral of the product of two functions (f ∗ g)(t)∫∞ − ∞f(t − τ)g(τ)dτ But what does the product of the functions give? Why are …
What is convolution, how does it relate to inner product?
2022年10月25日 · However, in the original convolution formula, the sign of t t is inversed (what does this sign inversing mean?). My final question is: what is the intuition behind convolution? …
Definition of Convolution - Mathematics Stack Exchange
2023年8月2日 · I am currently studying calculus, but I am stuck with the definition of convolution in terms of constructing the mean of a function. Suppose we have two functions, $f ...
analysis - History of convolution - Mathematics Stack Exchange
2015年7月4日 · It the operation convolution (I think) in analysis (perhaps, in other branch of mathematics as well) is like one of the most useful operation (perhaps after the four …
What is the convolution of a function $f$ with a delta function …
2024年9月12日 · Explore related questions convolution dirac-delta See similar questions with these tags.
Can someone intuitively explain what the convolution integral is?
Lowercase t-like symbol is a greek letter "tau". Here it represents an integration (dummy) variable, which "runs" from lower integration limit, "0", to upper integration limit, "t". So, the convolution is …
Proving commutativity of convolution $(f \\ast g)(x) = (g \\ast f)(x)$
Here is something I've sometimes wondered about. If f g f, g are both nonnegative proving commutativity of convolution can be done without a tedious change of variable. Indeed, let X X …
real analysis - On the closedness of $L^2$ under convolution ...
Since the Fourier Transform of the product of two functions is the same as the convolution of their Fourier Transforms, and the Fourier Transform is an isometry on $L^2$, all we need find is …
Correct definition of convolution of distributions?
2014年12月27日 · Convolution corresponds via Fourier transform to pointwise multiplication. You can multiply a tempered distribution by a test function and get a tempered distribution, but in …