How To Solve Trial And Error In Excel
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Science Society & Culture Sports Travel Yahoo Products International Argentina Australia Brazil Canada France Germany India Indonesia Italy Malaysia solver excel 2016 Mexico New Zealand Philippines Quebec Singapore Taiwan Hong Kong Spain Thailand UK & Ireland Vietnam Espanol About About Answers Community Guidelines Leaderboard Knowledge Partners Points & Levels Blog Safety Tips Science & https://www.youtube.com/watch?v=idU3_TCW90I Mathematics Engineering Next Using excel to solve equation by trial and error method? hi how to solve this equation by using "trial and error" method in excel find "d" 5*d^4 - 2.32 *d^-1.33 = 0.154 Follow 2 answers 2 Report Abuse Are you sure you want to delete this answer? Yes No Sorry, something has gone wrong. Trending Now Dianna Agron Alice in Wonderland https://answers.yahoo.com/question/?qid=20090331055429AADYJtu Great Barrier Reef Mosul Dam Home Security System Auto Insurance Quotes Katy Perry NASCAR Sprint Cup Nicki Minaj Online Colleges Answers Best Answer: Set up a column for your d value. Start with a value, say 1. Next to the cell with value 1, put "=5*( )^4-2.32*( )^(-1.33)-0.154" where ( ) is the cell where the value 1 was placed A1, A2, whatever it is. What you're looking for is when the value in the cell you placed the equation in, becomes 0. You can either do it by hand by manually changing the value in the first cell or you can give the entire column a value by cutting and pasting a step for each cell. "=A1+.1" would change values by 0.1. Look for when the second column changes sign. If it goes from negative to positive or vice versa, you're getting close and you can start to home in. Good luck! Email if you get stuck. Source(s): Denis S · 8 years ago 0 Thumbs up 0 Thumbs down Comment Add a comment Submit · just now Report Abuse Safe Online Store >>> http://mall3.out2.pw/3y20w ? · 6 mont
the parts? Let me give a specific example: (stick with me for a few moments – I am about the make the math go away). R = 3 F = R * p d = 1.4 b = R * d c = log Fb a = 14.3(b/20) http://www.proaxis.com/~johnbell/regular/regular65.htm T = log (a2+ca) (here, log 10 = 1) R is the thing that normally changes by itself, and you are solving for T.
If you are really lucky, someone has given you a worked example for the individual equations, so you can check your interpretation of what they mean. Was that “log (Fb)” or “(log F)b”? R = 3 F = 9.4277 d = 1.4 b = 4.2 c = 4.0919 a = 1.748 T = 1.1703 If you are really, really lucky, they will also give you how to a spreadsheet so that these equations are perfectly clear. (Always encourage this, and always reward it when it is done). It is a great quality control procedure. Now, suppose that some bozo just has to know what “R” must be to produce a value of 7 for “T”, and assigns you to find out. Maybe he even wants a graph of “R” values for a range of “T”. Time is short, and you have other things to do. The classic response from the math department is to “get all this how to use into one large equation, move the parts around by algebra and solve for R when T=7”. I don’t know how you were at algebra, but I have always found it tedious – although extremely useful. This is not how I want to spend my day. In addition, I am not positive that my solution is correct until I test it by solving all these parts, just to make sure. That usually means setting up these individual equations on an EXCEL® spreadsheet. You could also play around with the “R” value until you came close to 7, because you have spreadsheets to compute the numbers. “Trial and error” methods would get tedious too. Let the computer do the work for you. There is a command in the EXCEL® spreadsheet you should know. Under the “Tools” menu, choose “Goal Seek”. You get 3 boxes to fill in. First choose the cell of the spreadsheet where “T” shows up. In the second box, enter “7”. In the bottom box, fill in the cell where “R” is entered, and choose “OK”. What is inside the cell noted in the bottom box must be a number, not an equation, so the computer can change it. If the computer cannot find a value that changes the result into “7” it will tell you. The computer will now change the “R” value until it finds at least one way to produce T=7 (in some equations, there may be more than one way to produceT=7). In this instance, my computer produced an “R” value of 9.1579 to get a “T” value of 7.000131 –