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Author Question: Briefly explain the difficulties experienced while using Solver to obtain optimal solutions for ... (Read 60 times)

JMatthes

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on: Jun 24, 2018
Briefly explain the difficulties experienced while using Solver to obtain optimal solutions for linear optimization models.
 
  What will be an ideal response?

Question 2

If the given time series has no trend and no seasonality, which of the following is the most appropriate forecasting model to determine the forecast of the time series?
 
  A) the single moving average model
  B) the seasonal additive model
  C) the double exponential smoothing model
  D) the Holt-Winters additive model
Statistics, Data Analysis, and Decision Modeling ¦ Evans ¦ 5th Edition
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brittiany.barnes

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Reply #1 on: Jun 24, 2018
Answer to Question 1

A poorly scaled modelone in which the parameters of the objective and constraint functions differ by several orders of magnitude may cause round-off errors in internal computations or error messages such as The conditions for Assume Linear Model are not satisfied. Experts often suggest that the values of the coefficients in the objective function and constraints, as well as the right-hand sides, should not differ from each other by a factor of more than 1,000 or 10,000.

Answer to Question 2

A


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