Minimization is a subclass of mathematical optimization where given a cost or objective function, the goal is to choose the best set of parameters that will minimize the value given by this function.
Questions tagged [minimization]
529 questions
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Minimizing a function using scipy
I have a loglikelihood function which is the sum over a very long list of customers, of some individual loglikelihood functions, and I want to optimpize it using the scipy.optimize.minimize() method.
def log_likelihood_individual(r, alpha, a, b, x,…
sweeeeeet
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Espresso Logic Minimization for Mac OS X
Can somebody giving a working (meaning they tested it) Espresso that will work on Mac OS X?
I have a .pla file that I'd like to run.
Instructions on running the software wouldn't hurt, either.
thetypist
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Minimization leastsq bounds
I m using a least square minimization in order to fit a lot of parameters, but, the results are little surprising, i think it could be due to minimization.
Indeed, when i modify the initialization terms, the results are different...
In a first time…
user3601754
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Finding least-energy path across an image
Consider a bidimensional array containing grayscale values, represented as the image below:
I want to find best path between the red dots. If you consider bright areas to be "high" and dark areas to be "low" in an elevation sense, then I want a…
heltonbiker
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SAS Proc IML: Minimizing a function with respect to one variable
Using SAS proc IML, I have a function: CVF(m,p,h,pi,e);
I would like to guess h which minimizes this function. Is there some built-in subroutine to minimize it? Or how can I construct an iterative process for it? Every other variables are defined.
user3787851
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How to find parameters of gumbel's distribution using scipy.optimize
I have calculated loads for bridges and I want to fit the Gumbel's distribution to highest 20% of them using maximum likelihood estimate. I need help calculating parameters for the distribution. I have read through scipy.optimize documentation but I…
user3559989
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Java package for function optimization
I am searching for a java library to perform some optimization algorithms (minimization) of a cost function. I would like to implement a simple logistic regression program in java but I have worked only using octave and now I'm searching for a java…
Giovanni
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Continuous Piecewise-Linear Fit in Python
I have a number of short time-series ( maybe 30 - 100 time points ), and they have a general shape : they start high, come down quickly, may or may not plateau near zero, and then go back up. If they don't plateau, they look something like a simple…
Quentin
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Does a JavaScript source map file still work after minimizing the source code file?
My background
I use TypeScript and Visual Studio to compile awesome strongly typed syntax into slutty JavaScript. I've configured the project and Visual Studio to do the following:
Combine multiple compiled JavaScript files to a single JavaScript…
Martin Andersson
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calculate vector valued Hessian in R
I want to calculate a variance-covariance matrix of parameters. The parameters are obtained by a non-linear least squares fit.
library(minpack.lm)
library(numDeriv)
variables
t <- seq(0.1,20,0.3)
a <- 20
b <- 14
c <- 0.4
jitter <-…
Toby
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Programs/Calculators to Minimize Regular Expressions
I was just wondering if there is any free software out there that is able to effectively minimize regular expressions.
John Roberts
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Android application not minimizing by pressing back button after signing
I want to minimize the application by pressing back and home button. so i have used the following code.
public void onBackPressed() {
Intent setIntent = new Intent(Intent.ACTION_MAIN);
…
sourav
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Minimizing a function of vectors
I need to minimize the following sum:
minimize sum for all i{(i = 1 to n) fi(v(i), v(i - 1), tangent(i))}
v and tangent are vectors.
fi takes the 3 vectors as arguments and returns a cost associated with these 3 vectors. For this function, v(i - 1)…
arg
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Python function minimisation without derivative
I am familiar with some of the functions in scipy.optimize.optimize and have in the past used fmin_cg to minimize a function where I knew the derivative. However, I now have a formula which is not easily differentiated.
Several of the functions in…
thornate
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Minimize (compress; deflate) html for database storage: is it necessary?
I am storing the HTML from the body of emails in a SQL Server nvarchar(max) column.
Is there any benefit in minimizing the HTML on the way in?
By minimizing I mean removing redundant white space and carriage returns/linefeeds in the HTML text…
sasfrog
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