Originally Posted by CaptainBlack What do you get if you substitute this back into the original equations? Is there a x which with this as a value of y solves the equations? RonL (when I do this I get no consistent solution for x, but I could be doing the arithmetic wrongly ) Using the graphical method I find an initial estimate for the solution is x=2.36, y=1.64, and there is probably but one real solution. RonL
Follow Math Help Forum on Facebook and Google+
hmmmm.....
Originally Posted by ThePerfectHacker Thus, is this correct...for some reason it's not getting me a good value for y... i'm getting tired of this problem... dan
Originally Posted by CaptainBlack Using the graphical method I find an initial estimate for the solution is x=2.36, y=1.64, and there is probably but one real solution. RonL what is the graphical method ?? dan
Originally Posted by dan what is the graphical method ?? dan Plot a graph of the curve represented by: , and on the same axes plot the graph the curve represented by: . The points where these curves cross are roots of the system. RonL
Originally Posted by dan what is the graphical method ?? dan You draw the graw and see where it interesects the x-axis. There is only one such place. Thus, there is only no real root.
Originally Posted by ThePerfectHacker You draw the graw and see where it interesects the x-axis. There is only one such place. Thus, there is only no real root. Try the graphs of the original two curves, which do seem to have a root. RonL
Hier
Originally Posted by ThePerfectHacker Hier That seems more accurate than my initial sketch, but now we have an estimate we can replot about the solution. RonL
Last edited by CaptainBlack; Sep 7th 2006 at 08:17 AM.
Originally Posted by ThePerfectHacker Thus, Typo, last should be: RonL
Originally Posted by ThePerfectHacker Of course, Substitute, Thus, Typo, last should be: This canges everything down stream along this line of solution RonL
Originally Posted by CaptainBlack Typo, last should be: This canges everything down stream along this line of solution RonL Expanding this gives: which may be solved numerically to give RonL
Originally Posted by CaptainBlack Expanding this gives: which may be solved numerically to give RonL captblack, you're the man you get a +rep. thanks guys...case closed...untill later dan
View Tag Cloud