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Finding Min/Max of a function for HP-67
05-23-2016, 07:37 PM
Post: #13
RE: Finding Min/Max of a function for HP-67
Examples:
Equation (began step 061) ex–3x²
Tolerance= 1x10-5
Initial guess: 9……………X= 2,83314411………..min…………..Y= -7,08129358
Initial guess: 0,1…………X= 0,20448151……….Max…………..Y= 1,10145071
For X=0……………………Y= 1
For Y=0……………………X= 0,91

For the original equation, input TOLERANCE [ENTER] 9 [A] you get 2,8331, [x<>y] -1 so you know that is a minimun. Later, [x<>y] [E] you get Y=-7.081 wich is the Y value for the min.
When X=0 [E] you get Y=1, that is to say intercept
The value of X when Y=0 was solved by iteraction

Follow the same procedure for the Maximun
Pedro
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RE: Finding Min/Max of a function for HP-67 - PedroLeiva - 05-23-2016 07:37 PM



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