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  Engineering Analysis
  Global Media | First Edition, 2009 | ISBN: 938016825X | 538 pages | PDF | 12 MB

  
  
  "Optimization is an important concept in engineering. Finding any solution to a problem is not nearly as good as finding the one "optimal solution" to the problem. Optimization problems are typically reformatted so they become minimization problems, which arewell-studied problems in the field of mathematics.
  
  Typically, when optimizing a system, the costs and benefits of that system are arranged
  into a cost function. It is the engineers job then to minimize this cost function (and
  thereby minimize the cost of the system). It is worth noting at this point that the word
  "cost" can have multiple meanings, depending on the particular problem. For instance,
  cost can refer to the actual monetary cost of a system (number of computer units to host a
  website, amount of cable needed to connect Philadelphia and New York), the delay of the
  system (loading time for a website, transmission delay for a communication network), the
  reliability of the system (number of dropped calls in a cellphone network, average
  lifetime of a car transmission), or any other types of factors that reduce the effectiveness
  and efficiency of the system.
  Because optimization typically becomes a mathematical minimization problem, we are
  going to discuss minimization here."
  
  
  
  

  
  

  

  
  

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