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Showing posts with the label Mathematical Optimization
Binpacking -- Multiple Constraints: Weight+volume

Binpacking -- Multiple Constraints: Weight+volume

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I have a dataset with 50,000 orders. Each order has ~20 products. Product volume and weight are pre… Read more Binpacking -- Multiple Constraints: Weight+volume
How To Quantitatively Measure Goodness Of Fit In Scipy?

How To Quantitatively Measure Goodness Of Fit In Scipy?

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I am tying to find out the best fit for data given. What I did is I loop through various values of … Read more How To Quantitatively Measure Goodness Of Fit In Scipy?
How To Use 'cbc' In Pyomo's Solverfactory In Windows 10

How To Use 'cbc' In Pyomo's Solverfactory In Windows 10

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I have been trying to use 'cbc' solver in pyomo as following: import pyomo.environ as pe s… Read more How To Use 'cbc' In Pyomo's Solverfactory In Windows 10
Cplex Gives Two Different Results?

Cplex Gives Two Different Results?

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I use Python API in Cplex to solve a Linear programing problem. When using Cplex, I had the result … Read more Cplex Gives Two Different Results?
How To Get "first-order Optimality" With Python Script

How To Get "first-order Optimality" With Python Script

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I curious about how to get 'first-order optimality' value using python script. For optimati… Read more How To Get "first-order Optimality" With Python Script
Scipy Differential Evolution With Integers

Scipy Differential Evolution With Integers

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I'm trying to run an optimization with scipy.optimize.differential_evolution. The code calls fo… Read more Scipy Differential Evolution With Integers
Getting Standard Error Associated With Parameter Estimates From Scipy.optimize.curve_fit

Getting Standard Error Associated With Parameter Estimates From Scipy.optimize.curve_fit

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I am using scipy.optimize.curve_fit to fit a curve to some data i have. The curves, for the most pa… Read more Getting Standard Error Associated With Parameter Estimates From Scipy.optimize.curve_fit
How Do I Speed Up Profiled NumPy Code - Vectorizing, Numba?

How Do I Speed Up Profiled NumPy Code - Vectorizing, Numba?

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I am running a large Python program to optimize portfolio weights for (Markowitz) portfolio optimiz… Read more How Do I Speed Up Profiled NumPy Code - Vectorizing, Numba?