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Approximation-theory
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Richardson extrapolation - deriving methods for forward difference
March 29th, 2020
polynomials
finite-differences
approximation-theory
numerical-methods
Why Taylor Series or any other approximation method give us approximation of function? Why not give exact equivalent of function?
August 1st, 2022
proof-verification
taylor-expansion
approximation-theory
intuition
calculus
Proof that the best linear approximation to $f(x)$ near $a$ is given by the linear function $L_{a}(x) = f(a) + f '(a)(x-a)$
August 1st, 2022
approximation-theory
linear-approximation
Find a polynomial using minimax approximation
August 1st, 2022
numerical-methods
approximation-theory
approximation
best approximation of $\sqrt{2}$
August 1st, 2022
number-theory
approximation
irrational-numbers
approximation-theory
About a function approximating the $\arctan(x)$
August 1st, 2022
trigonometry
approximation-theory
Interpolation, Extrapolation and Approximations rigorously
August 1st, 2022
terminology
definition
approximation
approximation-theory
lagrange-interpolation
Evaluate the following function using as many significant figures as required to get a final result of 4 digits accuracy
January 2nd, 2022
approximation
sequences-and-series
approximation-theory
numerical-methods
how to find the best polynomial approximation to discontinuous function on floating point domain
August 1st, 2022
approximation-theory
What is the exact meaning of 'in the first approximation' in the context of applied mathematics?
July 26th, 2020
approximation
approximation-theory
Approximating the probability distribution of a sum of random variables.
May 19th, 2020
statistics
approximation-theory
probability-distributions
How to calculate the errors of single and double precision
April 14th, 2020
computational-mathematics
ordinary-differential-equations
numerical-methods
approximation-theory
Problem with a proof of Mittag-Leffler theorem
April 26th, 2020
complex-analysis
approximation-theory
Explicit formula for the implicit Euler method
October 23rd, 2020
approximation-theory
ordinary-differential-equations
numerical-methods
Proof that the Runge Phenomenon occurs
August 1st, 2020
polynomials
approximation-theory
interpolation
real-analysis
Meaning of $\alpha$ in Laguerre polynomials
June 10th, 2020
orthogonal-polynomials
approximation
special-functions
approximation-theory
Extend the Stone-Weierstrass theorem to high dimension?
August 1st, 2020
approximation-theory
functional-analysis
Examples of strictly convex normed spaces that are not uniformly convex
May 20th, 2020
normed-spaces
approximation-theory
Runge's Theorem for meromrophic functions
August 1st, 2022
reference-request
complex-analysis
approximation-theory
Least square fit using Legendre polynomials
July 20th, 2020
approximation-theory
orthogonal-polynomials
Natural Cubic Spline Unequal Spacing
May 14th, 2020
interpolation
approximation
approximation-theory
Why polynomial interpolation is considered as better than others?
August 1st, 2022
approximation
approximation-theory
interpolation
numerical-methods
How to interpolate a function with Gaussian functions?
August 1st, 2022
approximation-theory
differentiability of $f(x,y)=xy\sin\left({1\over x^2+y^2}\right)$
August 1st, 2022
approximation-theory
multivariable-calculus
Help proving the Weierstrass Approximation Theorem using Fejer's Theorem
August 1st, 2022
periodic-functions
fourier-series
weierstrass-approximation
approximation-theory
real-analysis
Kolmogorov n-width of N+1 dimensional ball
October 12th, 2020
functional-analysis
metric-spaces
approximation-theory
Best approximation for a normed vector space $X$
November 19th, 2020
functional-analysis
reference-request
soft-question
approximation-theory
Expressing multivariate functions as tensor product of univariate functions
August 1st, 2022
tensor-products
tensors
approximation-theory
functional-analysis
approximation
Schwartz class dense in $L^2$, reference
August 1st, 2022
approximation-theory
lp-spaces
Approximating $\ln(1+\exp(x)+\exp(y))$
August 1st, 2022
approximation-theory
approximation
taylor-expansion
logarithms
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