Linked Questions

3 votes
1 answer
2k views

Lorenz map for the Rössler system [duplicate]

Possible Duplicate: How to find all the local minima/maxima in a range I have the solution of the following non-linear system: ...
user5267's user avatar
  • 321
3 votes
2 answers
466 views

Find all points that have the same minimum? [duplicate]

Possible Duplicate: How to find all the local minima/maxima in a range Sin[x] have two points ($3\pi/2,7\pi/2$) where the same minimum ($-1$) is achieved at ...
withparadox2's user avatar
  • 2,481
1 vote
3 answers
434 views

How can I use the command `Minimize` of this trigonometric function? [duplicate]

I want to find the minimum of the function $\sin^6 x + \cos^6 x$. I tried Minimize[{Sin[x]^6 + Cos[x]^6, 0 <= x <= 2 Pi}, x] I got {Cos[2 ArcTan[1 - ...
minthao_2011's user avatar
  • 4,503
0 votes
0 answers
161 views

How to obtain all minima? [duplicate]

If you Solve an equation, you obtain all solutions. But If you NMinimize a function, you only get one minimum. The question is:...
Mika Ike's user avatar
  • 3,241
50 votes
9 answers
13k views

About multi-root search in Mathematica for transcendental equations

I have some questions for multiroot search for transcendental equations. Is there any clever solution to find all the roots for a transcendental equation in a specific range? Perhaps ...
yulinlinyu's user avatar
  • 4,815
58 votes
6 answers
22k views

How to perform a multi-peak fitting?

I am wondering how to implement the multi-peak detecting and fitting in Mathematica. Following is an example of fitting the data using three peaks (such that the data ~ peak1 + peak2 + peak3). The ...
Everett You's user avatar
  • 2,277
42 votes
5 answers
24k views

Finding Local Minima / Maxima in Noisy Data

I'm trying to find local minima / maxima in noisy data, consisting of data values taken at certain time intervals. Ideally, the function should take a pair of lists (one containing time values and one ...
Vincent Tjeng's user avatar
24 votes
4 answers
3k views

Find the minima and maxima of a list

I have a list, such as: ...
Darren Lee's user avatar
24 votes
4 answers
13k views

Find all roots of an interpolating function (solution to a differential equation)

I'm trying to find all the roots of the solution to a differential equation. Using NSolve or Reduce I don't get the roots, so I'm using an iterative method which I found in physicsforums.com. This ...
user1084363's user avatar
45 votes
3 answers
5k views

Identifying critical points/lines of 2/3D image/cubes

Upshot I am interested in identifying critical points of a 3D field/cubes (maxima, minima, tube-like and wall-like saddle points) and 2D field/image (maxima, minima, saddle points). I.e. the ...
chris's user avatar
  • 22.8k
13 votes
3 answers
2k views

Finding "Maxima" and "Minima" on a B-Spline

I need to find the "Maxima" and "Minima" on a B-Spline or more correct the points where the 2nd components of the derivate equal zero. For example: ...
cxkoda's user avatar
  • 305
11 votes
3 answers
2k views

How to find local minima of data using PeakDetect

One of the great new function in v10 is PeakDetect. It can detect peaks (local maxima) according to desired sharpness as shown in this example: ...
Basheer Algohi's user avatar
4 votes
3 answers
6k views

Using FindRoot with an interpolating function

This question bears resemblance to a few other questions on mathematica.SE about finding points of intersection of crossing curves. I know that the guidebook of numerics has an entry about the whole ...
dearN's user avatar
  • 5,341
3 votes
4 answers
1k views

Find the maximum value of a numerical solution

I have a numerical solution and I want to find the maximum value of the solution. ...
Mateus's user avatar
  • 1,243
4 votes
3 answers
6k views

Determining the local extrema of discrete data [duplicate]

Possible Duplicate: Local max/min of Mathematica data sets If I have a continuous function f (for example f = Sin[x]), I ...
Andrew's user avatar
  • 10.5k

15 30 50 per page