Hydro Turbine Optimization












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So I was doing the project related to Lagrange multiplier called hydroxyzine optimization recently and I have encountered problem on question4-6, which required me to plot a graph and find the optimum method for highest efficiency, does anyone know how to plot the graph? (Question1-3 is done)



enter image description hereenter image description here










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  • $begingroup$
    What's the graph expected to be?
    $endgroup$
    – CCola
    Dec 6 '18 at 18:10










  • $begingroup$
    can you elaborate more? Since I was new to multivariable calculus...
    $endgroup$
    – CCola
    Dec 7 '18 at 1:14
















0












$begingroup$


So I was doing the project related to Lagrange multiplier called hydroxyzine optimization recently and I have encountered problem on question4-6, which required me to plot a graph and find the optimum method for highest efficiency, does anyone know how to plot the graph? (Question1-3 is done)



enter image description hereenter image description here










share|cite|improve this question









$endgroup$












  • $begingroup$
    What's the graph expected to be?
    $endgroup$
    – CCola
    Dec 6 '18 at 18:10










  • $begingroup$
    can you elaborate more? Since I was new to multivariable calculus...
    $endgroup$
    – CCola
    Dec 7 '18 at 1:14














0












0








0


1



$begingroup$


So I was doing the project related to Lagrange multiplier called hydroxyzine optimization recently and I have encountered problem on question4-6, which required me to plot a graph and find the optimum method for highest efficiency, does anyone know how to plot the graph? (Question1-3 is done)



enter image description hereenter image description here










share|cite|improve this question









$endgroup$




So I was doing the project related to Lagrange multiplier called hydroxyzine optimization recently and I have encountered problem on question4-6, which required me to plot a graph and find the optimum method for highest efficiency, does anyone know how to plot the graph? (Question1-3 is done)



enter image description hereenter image description here







multivariable-calculus lagrange-multiplier






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asked Dec 6 '18 at 16:18









CColaCCola

396




396












  • $begingroup$
    What's the graph expected to be?
    $endgroup$
    – CCola
    Dec 6 '18 at 18:10










  • $begingroup$
    can you elaborate more? Since I was new to multivariable calculus...
    $endgroup$
    – CCola
    Dec 7 '18 at 1:14


















  • $begingroup$
    What's the graph expected to be?
    $endgroup$
    – CCola
    Dec 6 '18 at 18:10










  • $begingroup$
    can you elaborate more? Since I was new to multivariable calculus...
    $endgroup$
    – CCola
    Dec 7 '18 at 1:14
















$begingroup$
What's the graph expected to be?
$endgroup$
– CCola
Dec 6 '18 at 18:10




$begingroup$
What's the graph expected to be?
$endgroup$
– CCola
Dec 6 '18 at 18:10












$begingroup$
can you elaborate more? Since I was new to multivariable calculus...
$endgroup$
– CCola
Dec 7 '18 at 1:14




$begingroup$
can you elaborate more? Since I was new to multivariable calculus...
$endgroup$
– CCola
Dec 7 '18 at 1:14










1 Answer
1






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oldest

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0












$begingroup$

Using the following MATHEMATICA script you can analyze and build the sought graphics




KW1[Q_, QT_] := (-18.89 + 0.1277 Q - 4.08 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)
KW2[Q_, QT_] := (-24.51 + 0.1358 Q - 4.69 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)
KW3[Q_, QT_] := (-27.02 + 0.1380 Q - 3.84 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)



The functions representing the turbines performance.




NMaximize[ {KW1[Q1, QT] + KW2[Q2, QT] + KW3[Q3, QT],
250 - Q1 <= 0 && 1110 - Q1 >= 0 && 250 - Q2 <= 0 && 1110 - Q2 >= 0 &&
250 - Q3 <= 0 && 1225 - Q3 >= 0 && Q1 + Q2 + Q3 - QT == 0}, {Q1, Q2, Q3, QT}]



Analyzing the three turbines together, with their restrictions.




NMaximize[ {KW2[Q2, QT] + KW3[Q3, QT],
250 - Q2 <= 0 && 1110 - Q2 >= 0 && 250 - Q3 <= 0 && 1225 - Q3 >= 0 && Q2 + Q3 - QT == 0}, {Q2, Q3, QT}]



Analyzing only turbines KW2 and KW3



NMaximize[ {KW1[Q1, QT] + KW2[Q2, QT] + KW3[Q3, QT], Q1 + Q2 + Q3 - QT == 0}, {Q1, Q2, Q3, QT}]



Analyzing the three turbines without restrictions, etc.






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    1 Answer
    1






    active

    oldest

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    active

    oldest

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    active

    oldest

    votes









    0












    $begingroup$

    Using the following MATHEMATICA script you can analyze and build the sought graphics




    KW1[Q_, QT_] := (-18.89 + 0.1277 Q - 4.08 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)
    KW2[Q_, QT_] := (-24.51 + 0.1358 Q - 4.69 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)
    KW3[Q_, QT_] := (-27.02 + 0.1380 Q - 3.84 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)



    The functions representing the turbines performance.




    NMaximize[ {KW1[Q1, QT] + KW2[Q2, QT] + KW3[Q3, QT],
    250 - Q1 <= 0 && 1110 - Q1 >= 0 && 250 - Q2 <= 0 && 1110 - Q2 >= 0 &&
    250 - Q3 <= 0 && 1225 - Q3 >= 0 && Q1 + Q2 + Q3 - QT == 0}, {Q1, Q2, Q3, QT}]



    Analyzing the three turbines together, with their restrictions.




    NMaximize[ {KW2[Q2, QT] + KW3[Q3, QT],
    250 - Q2 <= 0 && 1110 - Q2 >= 0 && 250 - Q3 <= 0 && 1225 - Q3 >= 0 && Q2 + Q3 - QT == 0}, {Q2, Q3, QT}]



    Analyzing only turbines KW2 and KW3



    NMaximize[ {KW1[Q1, QT] + KW2[Q2, QT] + KW3[Q3, QT], Q1 + Q2 + Q3 - QT == 0}, {Q1, Q2, Q3, QT}]



    Analyzing the three turbines without restrictions, etc.






    share|cite|improve this answer









    $endgroup$


















      0












      $begingroup$

      Using the following MATHEMATICA script you can analyze and build the sought graphics




      KW1[Q_, QT_] := (-18.89 + 0.1277 Q - 4.08 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)
      KW2[Q_, QT_] := (-24.51 + 0.1358 Q - 4.69 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)
      KW3[Q_, QT_] := (-27.02 + 0.1380 Q - 3.84 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)



      The functions representing the turbines performance.




      NMaximize[ {KW1[Q1, QT] + KW2[Q2, QT] + KW3[Q3, QT],
      250 - Q1 <= 0 && 1110 - Q1 >= 0 && 250 - Q2 <= 0 && 1110 - Q2 >= 0 &&
      250 - Q3 <= 0 && 1225 - Q3 >= 0 && Q1 + Q2 + Q3 - QT == 0}, {Q1, Q2, Q3, QT}]



      Analyzing the three turbines together, with their restrictions.




      NMaximize[ {KW2[Q2, QT] + KW3[Q3, QT],
      250 - Q2 <= 0 && 1110 - Q2 >= 0 && 250 - Q3 <= 0 && 1225 - Q3 >= 0 && Q2 + Q3 - QT == 0}, {Q2, Q3, QT}]



      Analyzing only turbines KW2 and KW3



      NMaximize[ {KW1[Q1, QT] + KW2[Q2, QT] + KW3[Q3, QT], Q1 + Q2 + Q3 - QT == 0}, {Q1, Q2, Q3, QT}]



      Analyzing the three turbines without restrictions, etc.






      share|cite|improve this answer









      $endgroup$
















        0












        0








        0





        $begingroup$

        Using the following MATHEMATICA script you can analyze and build the sought graphics




        KW1[Q_, QT_] := (-18.89 + 0.1277 Q - 4.08 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)
        KW2[Q_, QT_] := (-24.51 + 0.1358 Q - 4.69 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)
        KW3[Q_, QT_] := (-27.02 + 0.1380 Q - 3.84 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)



        The functions representing the turbines performance.




        NMaximize[ {KW1[Q1, QT] + KW2[Q2, QT] + KW3[Q3, QT],
        250 - Q1 <= 0 && 1110 - Q1 >= 0 && 250 - Q2 <= 0 && 1110 - Q2 >= 0 &&
        250 - Q3 <= 0 && 1225 - Q3 >= 0 && Q1 + Q2 + Q3 - QT == 0}, {Q1, Q2, Q3, QT}]



        Analyzing the three turbines together, with their restrictions.




        NMaximize[ {KW2[Q2, QT] + KW3[Q3, QT],
        250 - Q2 <= 0 && 1110 - Q2 >= 0 && 250 - Q3 <= 0 && 1225 - Q3 >= 0 && Q2 + Q3 - QT == 0}, {Q2, Q3, QT}]



        Analyzing only turbines KW2 and KW3



        NMaximize[ {KW1[Q1, QT] + KW2[Q2, QT] + KW3[Q3, QT], Q1 + Q2 + Q3 - QT == 0}, {Q1, Q2, Q3, QT}]



        Analyzing the three turbines without restrictions, etc.






        share|cite|improve this answer









        $endgroup$



        Using the following MATHEMATICA script you can analyze and build the sought graphics




        KW1[Q_, QT_] := (-18.89 + 0.1277 Q - 4.08 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)
        KW2[Q_, QT_] := (-24.51 + 0.1358 Q - 4.69 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)
        KW3[Q_, QT_] := (-27.02 + 0.1380 Q - 3.84 10^-5 Q^2) (170 - 1.6 10^-6 QT^2)



        The functions representing the turbines performance.




        NMaximize[ {KW1[Q1, QT] + KW2[Q2, QT] + KW3[Q3, QT],
        250 - Q1 <= 0 && 1110 - Q1 >= 0 && 250 - Q2 <= 0 && 1110 - Q2 >= 0 &&
        250 - Q3 <= 0 && 1225 - Q3 >= 0 && Q1 + Q2 + Q3 - QT == 0}, {Q1, Q2, Q3, QT}]



        Analyzing the three turbines together, with their restrictions.




        NMaximize[ {KW2[Q2, QT] + KW3[Q3, QT],
        250 - Q2 <= 0 && 1110 - Q2 >= 0 && 250 - Q3 <= 0 && 1225 - Q3 >= 0 && Q2 + Q3 - QT == 0}, {Q2, Q3, QT}]



        Analyzing only turbines KW2 and KW3



        NMaximize[ {KW1[Q1, QT] + KW2[Q2, QT] + KW3[Q3, QT], Q1 + Q2 + Q3 - QT == 0}, {Q1, Q2, Q3, QT}]



        Analyzing the three turbines without restrictions, etc.







        share|cite|improve this answer












        share|cite|improve this answer



        share|cite|improve this answer










        answered Dec 7 '18 at 9:50









        CesareoCesareo

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        8,6793516






























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