# Questions tagged [mathematical-optimization]

Questions on the optimization functions of Mathematica such as FindMinimum/FindMaximum, Minimize/Maximize, NMinimize/NMaximize, etc.

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### Why sometimes an input only return itself rather than the supposed result?

I encountered this problem several times but never managed to understand why. For example, I want to get the maximal value of a parametrized function $\log(c)+ b\log(k-c)$ with respect to $c$. I tried ...
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### Not understanding the reason for not getting full rank matrix

I have a structure shown in figure. It has four members. Each member has represented by two displacement field $W_i$ and $U_i$. I have expressed this displacement field using some functions. I found ...
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### Memory problem for maximizing a multivariable function

I need to maximize the following function. Unfortunately I have to maximize without using numerical methods to prove that the maximal value is 3Sqrt(2Sqrt(3)-3) (about 2.04375). I tried it twice (once ...
82 views

### How to solve the Summation equation by FindRoots [closed]

I want to find out the value of alpha and lambda where u lies between 0 and 1.
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### Any trick to solve this optimization problem?

I'm relatively new to solving optimization problems using Mathematica. I have an optimization problem but Mathematica does not seem to be able to solve it. I have tried all sorts of way to re-write it ...