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Questions tagged [maximize]

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NMaximize doesn't satisfy constraints

I have the following code; ...
Dotman's user avatar
  • 456
0 votes
0 answers
33 views

How to simplify the conditions of a Piecewise function (Maximize output)?

I'm new on the forum and on Mathematica. I'm studying the crest of a function of the three variables c, e, g3. With "crest" I mean I'm maximizing the function only over c, keeping the ...
VitoV's user avatar
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2 votes
3 answers
129 views

An issue concerning the NMaximize command in Mathematica

I have two sets. One set consists of constants and the other one consists of expressions depending on two variables "a" and "b". I find absolute values of correlations between the ...
Tona's user avatar
  • 31
2 votes
1 answer
96 views

Maximize a function of $x$ and $y$ where $x^2 +y^2 \leq 1$

I have the following function: $f(x,y) = x(y^2-x^2)- \frac{(x^2 +y^2)^2}{2\rho}+\frac{3x^2(y^2-4x^2)}{\rho}$ where $\rho>0$ is a constant. My goal is to find the maximum value of this function ...
wanderer's user avatar
  • 125
1 vote
0 answers
95 views

An issue concerning the Maximize command in Mathematica [closed]

I have two sets. One set consists of constants and the other one consists of expressions depending on two variables "a" and "b". I find absolute values of correlations between the ...
Tona's user avatar
  • 31
1 vote
1 answer
64 views

Is a four-variable function less than one?

I have the following function of four variables f=Sqrt[(1 + w - x + 4 y z) - Sqrt[4 (-w + x) + (1 + w - x + 4 y z)^2]]/Sqrt[2] I want to show that $f(w,x,y,z)<1$...
Julio Abraham Mendoza Fierro's user avatar
2 votes
3 answers
116 views

How to find Maximize of $(m^2 + n^2)/(5 - m n)$ where $m$, $n$ and $(m^2 + n^2)/(5 + m n)$ are integer numbers?

I am trying to find Maximize of the expression $(m^2 + n^2)/(5 - m n)$ where $m$, $n$ and $(m^2 + n^2)/(5 - m n)$ are integer numbers. I tried ...
John Paul Peter's user avatar
0 votes
0 answers
66 views

Maximizing a function that is only defined numerically

I have a function of multiple variables that is only defined numerically. I am trying to maximize the function and find the critical points as fucntions of two parameters p and s using FindRoot but I ...
jcl's user avatar
  • 1
0 votes
0 answers
26 views

NMaximize simple function

I am trying to solve a maximisation using Mathematica. The objective function, though involved, can be broken down into many simpler terms. One of these terms is ...
Sid's user avatar
  • 977
0 votes
1 answer
69 views

Normalizing a plot by introducing a variable

I am trying to plot the graph between P and x. My teacher wants me to normalize this graph by introducing a constant $k$ to get $P/k^2$ on the y-axis and $xk$ on the x-axis. I did that by doing a ...
Jpmg's user avatar
  • 75
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0 answers
53 views

Problem maximizing a function

I have a problem maximizing the following function: ...
blo's user avatar
  • 1
1 vote
1 answer
58 views

Error with NMaximize: "The following constraints are not valid" which disappears if the objective is changed

I am trying to optimize under constraint using NMaximize, however the constraints are flagged as invalid. I could not see the problem with the constraints so I ...
Cryme's user avatar
  • 133
0 votes
0 answers
74 views

Maximize does not finish or does not work

I need to maximize the following expression over the two variables $d$ and $a$, in terms of the parameters $t, m, k$: ...
Penelope Benenati's user avatar
2 votes
2 answers
92 views

Minimax problem where a combination of Minimize and Maximize gives no result at all

I rarely use Mathematica, but I usually do not have any problem with simple commands like Minimize or Maximize. I have find to ...
Penelope Benenati's user avatar
0 votes
0 answers
48 views

Optimization problem with complex and real values

I have the following optimization problem: $\underset{{{a}_{1}},...,{{a}_{m}}}{\mathop{\max }}\,\parallel \sum\limits_{n=1}^{N}{{{a}_{n}}}{{\varpi }_{n}}{{e}^{j{{\theta }_{n}}}}{{\varphi }_{n}}{{\...
mariamavr's user avatar
8 votes
1 answer
770 views

To Chop or not to Chop

If I run the command ResourceFunction[ "GlobalMaxima"][{x*y + 2*y*z + 6*x, x^2 + y^2 + z^2 == 36}, {x, y, z}] This returns a closed form solution of ...
Moo's user avatar
  • 3,334
-1 votes
2 answers
88 views

An error occurred while the software was calculating the maximum value

...
csn899's user avatar
  • 4,315
2 votes
2 answers
144 views

Optimize parameters for differential equations

I have differential equations f11, f12, f21, and f22 with respect to t with parameters A and B. I've defined and solved these equations using NDSolve in Mathematica as follows: ...
Saesun Kim's user avatar
  • 1,810
1 vote
2 answers
219 views

How can't we find the maximum value of this?

Maximize[{ω, -(π/6) + ( k π)/ω <= π, -(π/ 6) + ((k + 1) π)/ω >= (4 π)/3, ω > 0, k ∈ Integers}, {k, ω}] // FullSimplify ...
csn899's user avatar
  • 4,315
2 votes
1 answer
204 views

Is MaxValue an unreliable function?

I have tried to compute the maximum of this function MaxValue[Abs[62853.16989532622/(62853.16989532622 + 1. s)] /. s -> I*w /. w -> 2 \[Pi]*f*1000, f] ...
Granger Obliviate's user avatar
0 votes
2 answers
38 views

Maximizing functions with statements similar but result different

I would like to know why when I maximize the sum of two functions with similar expressions (Qu and Qm), it gives me different results (nu and nm), since they should be the same results because the ...
Edison Moreno Cardenas's user avatar
3 votes
2 answers
83 views

Why does Maximize return this unevaluated?

Maximize[{PDF[NormalDistribution[0, sigma], x], sigma > 0}, x, Reals] Just returns unevaluated (when, obviously, it should return ...
ben18785's user avatar
  • 3,167
0 votes
0 answers
49 views

Don't run maximize. That I can do

good day. Please, if someone could help me about one problem that I have. How could I maximize the expression and obtained nu and nm? and if possible what would be the expressions of nu and nm if don'...
Edison Moreno Cardenas's user avatar
0 votes
0 answers
55 views

Code not getting solved by NMaximize as 1/0 is encountred

I have the following code. This code requires to solve the model with two variables to optimize the function. a1 and a2 are the variables as shown in the code ...
P Initiate's user avatar
2 votes
1 answer
90 views

Code running for longer period to evaluate

0I have the following code where I want to maximize a stochastic function based on two variables. The code is taking a very long time to evaluate but still not giving answers. Can anyone help? ...
P Initiate's user avatar
4 votes
1 answer
80 views

Maximization problem with SSSTriangle

Recall that SSSTriangle[a,b,c] is the symbolic representation of a triangle with sides $a$, $b$, and $c$. One can compute its area by (for instance): ...
David G. Stork's user avatar