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Kass

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14 Questions

Views Newest Activity Votes

votes

answers

748

views

Find parameters that minimize the distance between two curves in terms of the infinite norm

mathematical-optimization approximation

Jul 21 '16 at 8:45 J. M. is away♦ 99.2k

votes

answer

413

views

Working with a CSV data file with 100 millions rows (and 30 columns)

list-manipulation import csv-format

Oct 12 at 3:27 GenericAccountName 1,008

votes

answer

220

views

Draw from a given list according to empirical distribution

list-manipulation probability-or-statistics sample

Dec 1 '16 at 17:50 gwr 8,843

votes

answers

488

views

FindFit and NMinimize to fit a parametric model (minimize the distance of two curves)

programming probability-or-statistics mathematical-optimization fitting modeling

Nov 7 '15 at 0:57 Community♦ 1

votes

answers

279

views

Problems with FindInstance in v. 11

equation-solving linear-algebra findinstance

May 7 '18 at 17:27 Akku14 5,603

votes

answers

472

views

Use NMinimize instead of FindFit for constrained search (of coefficients)

numerics mathematical-optimization fitting polynomials approximation

May 5 '16 at 0:05 Jack LaVigne 12k

votes

answers

393

views

FindFit with a sophisticated function (integral)

equation-solving differential-equations fitting polynomials approximation

Nov 6 '15 at 14:09 Jack LaVigne 12k

votes

answers

views

Font size in PlotLegends, using Table to generate the list in the legend

legending table fonts labeling plotting

May 7 '13 at 19:22 Community♦ 1

vote

answer

views

Selecting from a matrix according to elements of a column — efficiency and speed?

list-manipulation matrix performance-tuning

Jan 18 at 17:26 Henrik Schumacher 63.2k

vote

answers

117

views

Creating authomatically inequalities/equations from a list of polynomials

list-manipulation map automation

Nov 20 '15 at 15:34 PlaysDice 699

vote

answers

views

FindFit with a sophisticated function (2), with corrected question and code

probability-or-statistics fitting polynomials integral-equations approximation

Nov 4 '15 at 20:48 Pillsy 12.8k

vote

answers

112

views

“Reduce” works fine for a non-linear system with 9 equations, but cannot solve it if 10 equations. Any ways to improve the code?

equation-solving simplifying-expressions linear-algebra algebraic-manipulation nonlinear

Oct 3 '15 at 21:43 Kass 327

votes

answers

378

views

Finding and plotting a parametric solution to a complicated equation (transcendental, log-polynomial)

equation-solving programming numerics polynomials parametric-functions

Jun 28 '16 at 19:43 Community♦ 1

votes

answers

views

Incorporating sophisticated constraints on the approximating function into NMinimize

programming mathematical-optimization fitting approximation

Nov 10 '15 at 19:37 Community♦ 1

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14 Questions

Find parameters that minimize the distance between two curves in terms of the infinite norm

Working with a CSV data file with 100 millions rows (and 30 columns)

Draw from a given list according to empirical distribution

FindFit and NMinimize to fit a parametric model (minimize the distance of two curves)

Problems with FindInstance in v. 11

Use NMinimize instead of FindFit for constrained search (of coefficients)

FindFit with a sophisticated function (integral)

Font size in PlotLegends, using Table to generate the list in the legend

Selecting from a matrix according to elements of a column — efficiency and speed?

Creating authomatically inequalities/equations from a list of polynomials

FindFit with a sophisticated function (2), with corrected question and code

“Reduce” works fine for a non-linear system with 9 equations, but cannot solve it if 10 equations. Any ways to improve the code?

Finding and plotting a parametric solution to a complicated equation (transcendental, log-polynomial)

Incorporating sophisticated constraints on the approximating function into NMinimize