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user14717
  • Member for 11 years, 1 month
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8 votes
1 answer
1k views

Clenshaw-type recurrence for derivative of Chebyshev series

7 votes
1 answer
784 views

Jacobi preconditioner not reducing condition number?

7 votes
1 answer
172 views

Automatic differentiation of barycentric rational functions

6 votes
1 answer
948 views

Defining a condition number and termination criteria for Newton's method

6 votes
1 answer
522 views

Gaussian Numerical Differentiation

6 votes
2 answers
284 views

Is Highams' computation of mean worth the price?

6 votes
1 answer
296 views

Whittaker-Shannon interpolation: Accuracy dies with speedup; can it be fixed?

5 votes
1 answer
156 views

Accurate computation of Gauss-Kuzmin entropy

5 votes
2 answers
272 views

Building Gaussian-type quadrature schemes with Zernike polynomials

5 votes
1 answer
354 views

Complexity of recovering all roots of a polynomial

5 votes
0 answers
80 views

Padua-type pointset for functions singular on line $x=y$

4 votes
0 answers
92 views

Unstable Algorithms which become stable when hardware provides Kulisch exact dot product instruction

4 votes
0 answers
85 views

Numerical algorithms made stable by unums which are unstable on IEEE floats

4 votes
2 answers
341 views

Analog of perfectly matched layers for finite element methods

4 votes
4 answers
163 views

Getting torsion and curvature out of ODE solution skeleton

3 votes
0 answers
163 views

Derivative of Whittaker-Shannon interpolant

3 votes
2 answers
2k views

Stabilizing a 3x3 real symmetric matrix eigenvalue calculation

3 votes
1 answer
128 views

Equal Area Sampling on Curved Surface:

3 votes
0 answers
53 views

Can Mallat's pyramidal algorithm be extended to non-power of 2 input sizes?

3 votes
0 answers
54 views

1D irregular interpolation with $O(1)$ or $O(\log(N))$ evaluation

3 votes
0 answers
89 views

Stabilizing online average calculation

3 votes
1 answer
218 views

Poorly conditioned, easily evaluated sum for unit testing

3 votes
1 answer
204 views

Numerical evaluation of Fourier transform of a scaling function

3 votes
0 answers
99 views

Why weighted harmonic mean for pchip slopes leads to monotone interpolator

2 votes
1 answer
123 views

Padding length and error analysis of discrete convolution by FFT

2 votes
0 answers
68 views

Can Taylor methods be used effectively on stiff ODEs?

2 votes
1 answer
167 views

Confusion about Zabusky and Kruskal's stepper for the KdV equation

2 votes
2 answers
211 views

Accelerating convergence of a generalized continued fraction

2 votes
1 answer
103 views

Best ways to avoid singularities in kernels when solving integral equations numerically

1 vote
1 answer
81 views

Missing something fundamental about condition number estimation