User becko

31

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9

answers

5k

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Modern resources for learning FEM

finite-element reference-request

Sep 9 '16 at 18:22 Hosein Rahnama 111

10

26

votes

9

answers

3k

views

Modern C++ in scientific computing?

c++ reference-request

May 13 at 7:29 Kishan Bhatt 53

7

22

votes

4

answers

3k

views

How to incorporate the boundary conditions with the Galerkin method?

pde finite-element boundary-conditions

Mar 22 '18 at 0:33 davidhigh 1,491

4

15

votes

7

answers

858

views

Robust computation of the mean of two numbers in floating-point?

floating-point

Aug 18 at 22:05 njuffa 823

5

votes

2

answers

253

views

Numerical evaluation of partial derivatives

algorithms

Jul 1 '13 at 21:19 Community♦ 1

5

votes

0

answers

117

views

Wavelets frame for $L^2[0,\infty)$

wavelet

Feb 16 '12 at 0:05 Community♦ 1

4

votes

0

answers

109

views

Stable computation of $\log\sum x_i$ from $\log x_i$, with many terms

algorithms error-estimation

Aug 4 '16 at 17:17 becko 1,529

4

votes

1

answer

108

views

Apply for a cluster for scientific computing from a developing country?

hpc

Oct 17 '14 at 12:03 becko 1,529

4

votes

1

answer

174

views

Compute hypergeometric function ratio: $\frac{_{2}F_{1}(a+1,b;c;x)}{_{2}F_{1}(a,b;c;x)}$?

floating-point precision special-functions computer-arithmetic

Aug 18 '14 at 19:29 becko 1,529

3

votes

0

answers

210

views

logsumexp with one very large term and many very small terms

algorithms numerical-analysis numerical-limitations

Aug 4 '16 at 19:38 becko 1,529

3

votes

1

answer

129

views

Numerical computation of $\log \int_a ^b f(x) \mathrm{d}x$ from $\log f(x)$?

reference-request integration

Apr 30 '15 at 13:12 becko 1,529

3

votes

1

answer

667

views

Accurate implementation of the logarithm of the incomplete Beta function in C++?

numerical-analysis c++ c

Apr 22 '15 at 0:19 Kirill 11k

2

3

votes

0

answers

119

views

Floating-point arithmetic in scientific computations rules of thumb

reference-request

Jun 28 '14 at 14:42 becko 1,529

2

votes

2

answers

81

views

Adaptive plotting of two-variable functions $z=f(x,y)$ algorithm pseudocode?

reference-request plotting

Oct 7 '17 at 1:16 Chris Rackauckas 8,634

1

2

votes

2

answers

882

views

Kummer's confluent hypergeometric for complex arguments in C/C++?

c++ c special-functions

Oct 27 '16 at 7:47 krecker 21

2

votes

0

answers

64

views

Accurate computation of $\frac{\mathrm{B}_{x,y}(\alpha + 1,\beta)}{\mathrm{B}_{x,y}(\alpha,\beta)}$ for large paramers?

special-functions

Aug 20 '14 at 20:11 becko 1,529

2

votes

1

answer

369

views

Appell function implementation in C++?

c special-functions

May 15 '14 at 22:35 Geoff Oxberry 28.7k

2

votes

0

answers

29

views

Approximate convolution of independent Beta variates?

probability

Jan 23 '14 at 16:41 becko 1,529

1

vote

0

answers

13

views

Efficient projection of a vector onto matrix kernel

linear-algebra matrix high-dimensional

5h ago becko 1,529

1

vote

1

answer

73

views

Numerical integration of a quadratic form exponential in two variables over a rectangle

integration

May 27 '18 at 0:49 becko 1,529

1

vote

2

answers

100

views

Iterative root finding of 2-dimensional system of non-linear equations with monotonicity properties

algorithms roots

Sep 8 '16 at 19:42 Kirill 11k

0

votes

1

answer

38

views

Fixed-point iteration when image and domain are not the same

iterative-method rootfinding fixed-point

Apr 7 at 17:47 Wolfgang Bangerth 43.3k

0

votes

1

answer

989

views

Numerical integration of sharp peaked function (position of peak known)?

integration

Apr 21 '15 at 12:42 Wolfgang Bangerth 43.3k

0

votes

0

answers

23

views

Compute hypergeometric function ratio: $\frac{_{2}F_{1}(a+1,b;c;x)}{_{2}F_{1}(a,b;c;x)}$, for large positive $a,b,c$? [duplicate]

floating-point special-functions

Aug 18 '14 at 17:24 becko 1,529

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24 Questions

Modern resources for learning FEM

Modern C++ in scientific computing?

How to incorporate the boundary conditions with the Galerkin method?

Robust computation of the mean of two numbers in floating-point?

Numerical evaluation of partial derivatives

Wavelets frame for $L^2[0,\infty)$

Stable computation of $\log\sum x_i$ from $\log x_i$, with many terms

Apply for a cluster for scientific computing from a developing country?

Compute hypergeometric function ratio: $\frac{_{2}F_{1}(a+1,b;c;x)}{_{2}F_{1}(a,b;c;x)}$?

logsumexp with one very large term and many very small terms

Numerical computation of $\log \int_a ^b f(x) \mathrm{d}x$ from $\log f(x)$?

Accurate implementation of the logarithm of the incomplete Beta function in C++?

Floating-point arithmetic in scientific computations rules of thumb

Adaptive plotting of two-variable functions $z=f(x,y)$ algorithm pseudocode?

Kummer's confluent hypergeometric for complex arguments in C/C++?

Accurate computation of $\frac{\mathrm{B}_{x,y}(\alpha + 1,\beta)}{\mathrm{B}_{x,y}(\alpha,\beta)}$ for large paramers?

Appell function implementation in C++?

Approximate convolution of independent Beta variates?

Efficient projection of a vector onto matrix kernel

Numerical integration of a quadratic form exponential in two variables over a rectangle

Iterative root finding of 2-dimensional system of non-linear equations with monotonicity properties

Fixed-point iteration when image and domain are not the same

Numerical integration of sharp peaked function (position of peak known)?

Compute hypergeometric function ratio: $\frac{_{2}F_{1}(a+1,b;c;x)}{_{2}F_{1}(a,b;c;x)}$, for large positive $a,b,c$? [duplicate]