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# how to create the table ,code and graph of the above equation ?

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mujeeb rehman on 2 Oct 2016
Edited: dpb on 2 Oct 2016
the limit show generator limit and P is incoming power demand which will be handle with in the generator limit after the generator limit satisfy the condition it goes to the step 2 which is fuel cost function Fi(Pi)=ai..... which is shown in above image in step 2 after summing the fuel cost function it goes to the summation condition how to write these function of the incoming load and generate the graph of Fi(Pi)=.... and |summation|Pi= Pload+Ploss kindly help me out all of these are for one generator if it is ten generator i would be handle it but i need the code of these equation the following Fi(Pi)=.... give very large value and it is not correct because it give individual value Please help me in these equation i show u another image which is show the above Fi(Pi) fuel cost equation,  ##### 2 CommentsShowHide 1 older comment
dpb on 2 Oct 2016
If I interpret correctly, your PsubD column heading is a load demand number that you need to satisfy by dispatching a set of (here) 10 generating units with the objective of minimum fuel cost. Is that correct?
If that's the problem, it's a minimization problem solvable with constraints--the constraints would be
1. Total generation equals dispatch demand
2. Output of n th unit can't exceed its capacity
Is this correct? If so, fmincon in the Optimization Toolbox should be able to handle it.
GEEZER TALE ALERT!
Was called in years ago to help a to-be-unamed-here utility located in a major metro area. Object was similar as the above excepting the cost variable was to blend high-S coal to the maximum point but not exceed daily emission limit totals. Inputs included one of the first "elemental analyzers" as a research project measuring S content of the coal stream. It was moderately successful project albeit the objective function being used wasn't bandied about publicly as to its target! :)

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