# Questions tagged [convolution]

Tags for questions about convolution, including the Mathematica functions Convolve, DiscreteConvolve, ListConvolve, DirichletConvolve, ImageConvolve, and convolutions using Fourier, FourierTransform, or LaplaceTransform.

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### Mean not working with Gamma convolution distribution

Using v 13.01 or 13.1: bug in integrate, see accepted answer below. First off, the distribution ...
• 671
321 views

### How do I implement convolution integrals symbolically (not numerically)? [closed]

I'm working to symbolically solve convolution integrals i.e., using symbolic equations and not numerical methods of integration. The general form of the convolution I'm working to solve is as follows: ...
1 vote
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• 91
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### Deconvolution To Solve For Radial Dirac Delta Expression By Laplacian, Division and Inverse Fourier?

An answer to the question "Laplacian and DiracDelta" (about a radial DiracDelta) involves taking the Laplacian of a ...
• 103
40 views

### Axial Convolution of Plane and Spherical DiracDelta?

I'd like to evaluate this convolution to a function of r, z and r0 giving a density for the resulting region: $\boldsymbol{\pi}(z) \ast \delta(r-r0)$ WHERE $\boldsymbol{\pi}(z)$ is an xy planar region ...
• 103
100 views

### Density of two independent uniform random variables in Mathematica

I've tried the following: d1 = UniformDistribution[{0, W}]; d2 = UniformDistribution[{0, S}]; CDF[d1 + d2, x] But I can't get it to work. I understand that the ...
• 33
1 vote
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### How to calculate generalized discrete convolution without using DiscreteConvolve

I want to find the discrete convolution of two functions which potentially do not share a common domain. For example I have ...
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1 vote
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### Im trying to write this in Mathematica. It is a recurrence relation for convolution [duplicate]

I have tried many things, the relation is in the following picture, x' is a dummy variable.
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### Why does ImageDeconvolve not restore this image?

The ImageDeconvolve documentation page has many examples where ImageDeconvolve restores blurred images almost perfectly. I ...
• 228k
1 vote
118 views

### PDF of sum of (1/(1+uniform distribution)) and a normal distribution

I have a continuous uniform random variable $P∼U(0,1)$ and a normal random variable $X∼N(0,σ)$. If $Z$ is given by $Z=\frac{1}{1+P}+X$ where $X$ and $P$ are independent variables, how can I calculate ...
1 vote
75 views

### How to compute a multi-round convolution? [duplicate]

I am trying to do a n-round of convolution of a function. The code is posted as below. But it is not working. Is there a solution? ...
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### Discrete Convolution, Mathematica [closed]

I can't find the discrete Convolution  in mathematica, neither DiscreteConvolve nor ListConvolve do "what I want", ...
35 views

• 171
1 vote