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Mariusz Iwaniuk
Poland
https://community.wolfram.com/web/mariuszi28cg/home
I am a engineer and math hobbyist
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Top Questions
10
votes
Issues with PlotRange
plotting
bugs
asked Jan 25, 2016 at 14:19
mathematica.stackexchange.com
9
votes
Brute Force for solving Diophantine equation
performance-tuning
programming
code-review
asked Jan 3, 2020 at 11:52
mathematica.stackexchange.com
8
votes
Closed form for $\int_{0}^{\infty }\!{\rm erf} \left(cx\right) \left( {\rm erf} \left(x \right) \right) ^{2}{{\rm e}^{-{x}^{2}}}\,{\rm d}x$
calculus
integration
definite-integrals
closed-form
error-function
asked Feb 4, 2017 at 15:46
math.stackexchange.com
8
votes
Why can't DSolve find a solution for my system of ODEs?
differential-equations
bugs
asked Dec 31, 2016 at 16:24
mathematica.stackexchange.com
7
votes
Plot of The RiemannSiegelZ Function
plotting
numerics
special-functions
code-review
precision-and-accuracy
asked Aug 15, 2015 at 12:09
mathematica.stackexchange.com
5
votes
Numerical Solution of Fredholm Integral Equation Using Bernstein Polynomials
numerical-integration
performance-tuning
integral-equations
asked Dec 30, 2017 at 14:21
mathematica.stackexchange.com
5
votes
How to find a list of values of recurrence equation?
difference-equations
integer-sequence
asked May 5, 2018 at 22:00
mathematica.stackexchange.com
5
votes
WorkingPrecision in NDSolve causes failure when solving a simple PDE
differential-equations
numerical-integration
precision
arbitrary-precision
asked Jun 11, 2016 at 10:05
mathematica.stackexchange.com
5
votes
Solving integro-differential equation with DSolve in MMA 11.0
differential-equations
equation-solving
bugs
symbolic
integral-equations
asked Dec 29, 2016 at 18:49
mathematica.stackexchange.com
5
votes
How to plot multifactorial function?
plotting
function-construction
warning-messages
special-functions
products
asked Feb 18, 2021 at 15:13
mathematica.stackexchange.com
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Top Answers
27
Is it possible to get this 'nicer' solution for an integral from Mathematica?
mathematica.stackexchange.com
22
Integral for the New Year $2019$!
math.stackexchange.com
19
Does anyone know what is this number?
math.stackexchange.com
17
2016 Putnam B6 difficult summation problem
mathematica.stackexchange.com
16
Show that $\int\limits_0^1 \left(x^{x}\right)^{\left(x^{x}\right)^{\left(x^{x}\right)^{\left(x^{x}\right)^{⋰}}}}\ \mathrm{d}x=\frac{\pi^2}{12}$.
math.stackexchange.com
13
Evaluating $\sum_{i=1}^{\infty}\frac{i}{2^i-1}$
math.stackexchange.com
13
Does anyone know what is this number?
mathematica.stackexchange.com
12
Inverse Laplace transform
mathematica.stackexchange.com
12
Definite integral closed-form expression
mathematica.stackexchange.com
12
How to use Mathematica to simplify this kind of trig sum?
mathematica.stackexchange.com
11
Find the volume of Phobos and Deimos
mathematica.stackexchange.com
10
NIntegrate into NDSolve with variable integrand
mathematica.stackexchange.com
10
Inverse Laplace Transform of Hypergeometric function
mathematica.stackexchange.com
10
How to NIntegrate $(-1)^{\left\lfloor \frac1x\right\rfloor}/x$?
mathematica.stackexchange.com
9
the Bessel function Integration
mathematica.stackexchange.com
9
How to Calculate Factorial when Overflow/Underflow occurs
mathematica.stackexchange.com
9
Closed form of product of Gamma function
mathematica.stackexchange.com
9
Evaluate using Mathematica or otherwise the value of $f'(0)$
mathematica.stackexchange.com
9
Partial sums of the series $\sum\limits_{k\geq1}\frac{1}{\sqrt{2k+\sqrt{4k^2-1}}}$
math.stackexchange.com
9
Derivative of $\sin^{-1}\frac{2x}{1+x^2}$
mathematica.stackexchange.com
9
Evaluating Integral
mathematica.stackexchange.com
8
Solve differential equation with constant
mathematica.stackexchange.com
8
Numerically evaluating parameter derivatives of a hypergeometric function
mathematica.stackexchange.com
8
Сan this integral be solved exactly (using Integrate)?
mathematica.stackexchange.com
8
Laplace transform of a rectangle function
mathematica.stackexchange.com
8
Series sum approximation
mathematica.stackexchange.com
8
Integration of the product of two exponential functions
mathematica.stackexchange.com
8
Is Mathematica unaware of an integral representation of the modified Bessel function of the second kind BesselK[0, x]?
mathematica.stackexchange.com
8
How to compute $\int_{0}^{1}x\sin (bx) J_0\!\!\left(a\sqrt{1-x^2}\right)\!\mathrm dx$?
math.stackexchange.com
8
Plotting a function discontinuous at one point
mathematica.stackexchange.com
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