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0 votes
0 answers
12 views

Centered finite volume scheme for an advective term on an unstructured/irregular/non-uniform grid

1 vote
0 answers
34 views

Finding weighted average of curves

3 votes
2 answers
622 views

My Complex Matrix SVD is Correct according to rule A = USV' but Wrong according to Matlab or any linear algebra library

0 votes
1 answer
27 views

What are the Exact Rules for Significant Figures, Precision, and Uncertainty?

4 votes
4 answers
223 views
+100

Minimize distance between curves

4 votes
0 answers
81 views
+200

How does one proceed to solve (big) underdetermined or overdetermined systems of linear equations "nowadays"?

2 votes
0 answers
30 views

Is there a permutation used in sparse QR factorizations that better locates small elements on the diagonal of R?

1 vote
0 answers
37 views

I need MATLAB or Mathematica code to solve this integral over limit 0- λ

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0 votes
0 answers
33 views

Computing the overlapping area of curves

3 votes
1 answer
74 views

How can I check mass conservation when solving the advection equation using an upwind scheme?

14 votes
3 answers
1k views

Why aren't Krylov subspace methods popular in the Machine Learning community compared to Gradient Descent?

5 votes
2 answers
270 views

Recurrence relation for matrices

-1 votes
1 answer
60 views

How to initialize Eigen C++ parameters within for-loop?

0 votes
1 answer
69 views

Solving PDE with a non-linear constraint in MATLAB

3 votes
0 answers
46 views

Finite difference on matrices

5 votes
0 answers
39 views

Software for Feasibility Problems

0 votes
0 answers
78 views

Solving differential equations with fast oscillations using odeint

4 votes
0 answers
38 views

Dense factorization specialized for RBF-FD method

3 votes
0 answers
95 views

How is the surface Jacobian determinant calculated in FEM?

0 votes
0 answers
17 views

Linear fitting of the data passing through origin on xmgrace [closed]

-3 votes
0 answers
32 views

Will we ever be able to control weather? [closed]

1 vote
0 answers
26 views

Deconvolution of sinc function in spectrum calculation in FTS

1 vote
1 answer
66 views

A priori estimates in finite elements for inhomogeneous heat equation

0 votes
0 answers
55 views

Derivation of the second Piola-Kirchhoff tensor

3 votes
1 answer
131 views

Column-normalized inverse?

0 votes
0 answers
23 views

How to define a stretched coordinate perfectly matched layer (PML) parameters for maximum absorbtion?

2 votes
0 answers
49 views

Numerical solution to the Tolman-Oppenheimer-Volkoff equations for any equation of state (numerical or analytical)

0 votes
1 answer
43 views

How can I define an equipotential surface/volume in FEniCS?

5 votes
0 answers
97 views

Dense least-squares with millions of variables

0 votes
0 answers
55 views

Can finite-difference WENO schemes be used to solve non-conservative equations?

0 votes
0 answers
42 views

Notation for a time series with discrete time points

1 vote
1 answer
90 views

How to perform FFT from plane-wave basis function coefficients to real space?

2 votes
3 answers
88 views

Why are dual numbers needed only in forward-mode autodiff?

1 vote
0 answers
80 views

Numerical methods for $u_t+c u_x= \frac{-c}{x}u$?

3 votes
0 answers
75 views

Splitting system of equations into linear and nonlinear part and solving separately

1 vote
0 answers
23 views

Numerical integration of a 2D discrete dataset where limits are unknown

2 votes
1 answer
40 views

Numerical computation of Lyapunov exponents: how to find convergence or non-convergence efficiently?

1 vote
1 answer
67 views

Optimization software for real-valued functions of complex arguments

7 votes
0 answers
57 views

Choice between using Moore-Penrose inverse and G2 inverse

1 vote
0 answers
35 views

From 3D to 2D with a STL file

0 votes
0 answers
42 views

A Finite Element Method for a first order PDE?

2 votes
3 answers
79 views

Should reaction be taken into account in the CFL condition when solving advection-diffusion-reaction equations numerically?

3 votes
1 answer
74 views

Notation for an optimization function that receives a vector of pairs

1 vote
0 answers
31 views

Calculating the species mass consumption from implicit reaction-term in diffusion-reaction equation

2 votes
0 answers
53 views

Estimating $n$ column norms of $A$ by using less than $n$ calls to $Ax$?

2 votes
0 answers
28 views

Problem with Time Evolving Block Decimation for small finite chains

0 votes
1 answer
53 views

Modeling ferromagnetic materials in a primitive python FEA

1 vote
1 answer
56 views

What algorithm does CVXPY actually use to solve semidefinite programs with the constraints of the form $\sum\limits_i E_iXE_i^T \succ B$?


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