Top "Nonlinear-optimization" questions

sub-field of mathematical optimization (alternatively, mathematical programming) that deals with problems that are not linear

python nonlinear least squares fitting

I am a little out of my depth in terms of the math involved in my problem, so I apologise …

python scipy nonlinear-optimization
TypeError: 'numpy.int64' object is not callable — What does that mean in laymans terms?

I'm trying to perform a non-linear regression after this example with my own sigmoidal model: $$f(d) = \frac{1}{1 + \exp (-k (…

python numpy scipy nonlinear-optimization
Error in optim: function cannot be evaluated at initial parameters

So I've run into this weird error in R. I have a simple function which returns an error term when …

r nonlinear-functions nonlinear-optimization nlm
How can I emulate Microsoft Excel's Solver functionality (GRG Nonlinear) in C#?

I have a non-linear optimization problem with constraints. It can be solved in Microsoft Excel with the Solver add-in, but …

c# .net excel solver nonlinear-optimization
Solving a bounded non-linear minimization with scipy in python

Trying to solve a simple non linear minimization problem with one variable. from scipy.optimize import minimize import math alpha = 0.05 …

python optimization scipy nonlinear-optimization minimization
Sequential nonlinear optimization libraries in C++ WITH constraints

Are there any good libraries in c++ for sequential nonlinear optimization with constraints? I am looking for inequality constraints and/…

c++ nonlinear-optimization