Linked Questions

0 votes
0 answers
1k views

Mathematica, nested optmization [duplicate]

I want to use the solution of Maximize, defined as a function, in another function. Here's an example: ...
user2122036's user avatar
0 votes
0 answers
124 views

NMinimize and FindRoot Issues with System of Equations [duplicate]

I am trying to solve a constrained optimization problem with a system of transcendental equations and am running into issues with NMinimize. I have a system of equations (...
scottyaz's user avatar
  • 113
2 votes
0 answers
88 views

NIntegrate/NSum with parameters [duplicate]

I'm trying to calculate a continuous integral within a discrete integral. Something similar to this (yet more complex): ...
Ron's user avatar
  • 153
1 vote
0 answers
44 views

Minimizing roots of a transcendental equations [duplicate]

I'm trying to use the solution of FindRoot with parameters for further calculations. Annoyingly enough it always gives me trouble with replacing the parameters. As an example I'm attaching a simple ...
user13872's user avatar
550 votes
37 answers
132k views

What are the most common pitfalls awaiting new users?

As you may already know, Mathematica is a wonderful piece of software. However, it has a few characteristics that tend to confuse new (and sometimes not-so-new) users. That can be clearly seen from ...
18 votes
4 answers
1k views

Find the equidistance curve between two curves

I have three function $f(x)=x^x$, $g(x)=\ln(x)^{\ln(x)}$, $h(x)=\ln(x)^2$ and I want to find (numerically) $C$ the center of the circle tangent to the three curves. I think that one way is to find ...
Domenico Modica's user avatar
30 votes
2 answers
889 views

How can I ensure that I am constructing patterns in the most efficient way possible?

Inspired by this answer, I am interested to know if there are best practices or rules of thumb for constructing patterns, for example for use in function definitions (...
Verbeia's user avatar
  • 34.3k
14 votes
3 answers
2k views

Strategies to avoid LessEqual::nord in NMinimize?

When using NMinimize on functions with complex intermediate expressions (but a real end result), quite often one gets the error ...
celtschk's user avatar
  • 19.2k
4 votes
2 answers
4k views

NMinimize with defined function call getting error NMinimize::nnum

I want to call the NMinimize function for my own defined calculations but I got an error. Below is a simple example. ...
s.s.o's user avatar
  • 4,567
0 votes
1 answer
374 views

nminimize or findminimum with findroot

I have a problem with form similar to the following: I have a set of equations that is f(x, y) = 0. For each x, I can use <...
Lawrence's user avatar
2 votes
1 answer
318 views

Maximized value of a function as an additional constraint on a variable

I want to maximize a function $f(b, h)$ with respect to its arguments and subject to some additional constraints. If these constraints are satisfied, $f$ is increasing in $h$. I then want to find an ...
m.user's user avatar
  • 309
2 votes
2 answers
183 views

Bilevel optimization

I found a problem here How do we go about solving this in Mathematica? I did something like this: NMinimize[(x^2 + y^2 - 1)^2, {x, y}] this gives ...
sra's user avatar
  • 717
0 votes
0 answers
89 views

How to find optimizers with computer in this kind of minimax problem

I have a minimax problem of the form $$\max_{\substack{u_1,\dots,u_n \ge 0 \\ u_1+\dots+u_n = 1}} \min_{\substack{v_1,\dots,v_m \ge 0 \\ v_1+\dots+v_m = 1 \\ v_{j_1} \le v_{j_2} \hspace{1mm} \forall (...
mathworker21's user avatar