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All questions asked by ricecooker

List all solved & unsolved questions asked by ricecooker

Is feature importance from classification a good way to select features for clustering?

1   Data Science Asked on 04/09/2021

classification  clustering  decision trees  feature importances  machine learning 

preconditioner for $u''(x)=sin(x)$

1   Computational Science Asked on 06/12/2021

domain decomposition  numerics  parallel computing  preconditioning 

Understanding why scipy.fft.fft (fast Fourier transform) doesn't work as expected

1   Computational Science Asked on 06/10/2021

fourier analysis  fourier transform  python 

Global stiffness matrix from element stiffness matrices for a thin rectangular plate (Kirchhoff plate)

1   Computational Science Asked on 06/09/2021

finite element  solid mechanics 

Shall I use global, heap allocated array or local, stack allocated one if references to its elements are made too many times?

1   Computational Science Asked on 06/08/2021

fortran 

Integration of a discretized field in a cylindrical coordinate system

0   Computational Science Asked on 06/07/2021

integration 

CVXOPT intermediate step valuation stepping out of function domain of defintion

0   Computational Science Asked on 06/07/2021

constrained optimization  convex optimization  cvx 

Uses for Automatic Differentiation in Investment Banking

0   Computational Science Asked on 06/06/2021

automatic differentiation 

offline Bin Packing problem with multiple size bins

0   Computational Science Asked on 06/04/2021

numerics 

Why is quadratic penalty method used for equaltiy-constrained optimization?

1   Computational Science Asked on 05/31/2021

constrained optimization  penalty method 

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