El Che Posted May 23, 2011 Report Share Posted May 23, 2011 Yes, sure! Where are you stuck at? Reply Link to post Share on other sites More sharing options...
tomcohen0079 Posted May 23, 2011 Report Share Posted May 23, 2011 i need to finish my portfolio for tomorow with already day late i got an equation for the denominator but it doesnt work is the equation in this form (i will not give the actual numbers since its forbiden x will be numbers ): x/xn^2+x/xn+(x/xn^2+x/xn+x) Reply Link to post Share on other sites More sharing options...
Fake20111 Posted May 24, 2011 Report Share Posted May 24, 2011 I need find the general proposition for tomorrow!!I was trying all the day but I cant do it!! can anyone tell me how is the denominator and the numerator, I think i have an idea but it just work for odd numbers Reply Link to post Share on other sites More sharing options...
El Che Posted May 24, 2011 Report Share Posted May 24, 2011 i need to finish my portfolio for tomorow with already day late i got an equation for the denominator but it doesnt work is the equation in this form (i will not give the actual numbers since its forbiden x will be numbers ): x/xn^2+x/xn+(x/xn^2+x/xn+x) I can encourage you to read the thread, if you haven't already done so. Because there are some good explanations by dessskris which helped me to find the general statement while I was doing the task. If you follow the directions, I'm sure you will figure it out. No, neither of the equations are in this form. I need find the general proposition for tomorrow!! I was trying all the day but I cant do it!! can anyone tell me how is the denominator and the numerator, I think i have an idea but it just work for odd numbers Have you followed the directions given in this thread? Please try them and let us know if there is a problem. Giving the answers is forbidden and the people in this forum can only guide you. Reply Link to post Share on other sites More sharing options...
tomcohen0079 Posted May 24, 2011 Report Share Posted May 24, 2011 thanks but i just realized i figured it out days ago and i just didnt notice , by the way there are many different formulaes that you can get and they all work ,i checked with my claasmates and we all got a different formulae and they all worked out Reply Link to post Share on other sites More sharing options...
Fake20111 Posted May 25, 2011 Report Share Posted May 25, 2011 I wanna know if there are an specific formula to find all the terms for the denominator! Today I found the general statement for de numerator and it works... but the problem is that i find a formula that works only for the first and last term (of course cuz those are the same ) then I have to sustrac a number the another number.. i dont know if that could work as a general statement and my supervisor didnt tell me if that is posible... so please I need your help! I need to do my portafolio for thursday! Reply Link to post Share on other sites More sharing options...
dessskris Posted May 25, 2011 Report Share Posted May 25, 2011 @tomcohen0079 you sure? or are they actually the same thing but expressed in different forms? I have only found one so far so I'm not sure if there can be other formulas.@Fake20111 there is... as Gestapo said read through this thread and you'll hopefully get it.what are you talking about? what number? subtracted by what? as you are forming a general statement you need to express those numbers in terms of n and r as much as possible. Reply Link to post Share on other sites More sharing options...
tomcohen0079 Posted May 25, 2011 Report Share Posted May 25, 2011 ok i found the right equation, in order to do so i had to change of my previous equation (which worked only when r was equal to 1) to (n-r);the problem is that i found the solution(n-r) by mistake while i was speculating and i have no mathematical explanation of why we have to change it to (n-r) so my question is can someone explaine how we can find the answer without speculating. thank you in advance. Reply Link to post Share on other sites More sharing options...
tomcohen0079 Posted May 25, 2011 Report Share Posted May 25, 2011 ok i found the right equation,in order to do so i had to change the n of of my previous equation (which worked only when r was equal to 1) to (n-r);the problem is that i found the solution(n-r) by mistake while i was speculating and i have no mathematical explanation of why we have to change it to (n-r)so my question is can someone explaine how we can find the answer without speculating. Reply Link to post Share on other sites More sharing options...
Fake20111 Posted May 26, 2011 Report Share Posted May 26, 2011 I have a question i need to know if there is only one general statement for find all the denominatorscuz i found a statement that just work for the firstand the last term.or i have to sustract a number from the last term and continuedoing that to find the order terms PLEASE!I have a question i need to know if there is only one general statement for find all the denominatorscuz i found a statement that just work for the firstand the last term.or i have to sustract a number from the last term and continuedoing that to find the order terms PLEASE! Reply Link to post Share on other sites More sharing options...
dessskris Posted May 26, 2011 Report Share Posted May 26, 2011 what are you talking about? what number? subtracted by what? as you are forming a general statement you need to express those numbers in terms of n and r as much as possible.what patterns have you found? if you have to subtract, by what number? any pattern?think about patterns and generalisation in terms of n and r.have you read through this whole thread? Reply Link to post Share on other sites More sharing options...
tomcohen0079 Posted May 26, 2011 Report Share Posted May 26, 2011 there is one general statement for everything if you have a general statement that works only for the firt one change n to (n-r) and it will work Reply Link to post Share on other sites More sharing options...
Nat Burnett Posted June 9, 2011 Report Share Posted June 9, 2011 would anyone be able to very simply outline to me what the following instruction actually means?let En®be the (r+1)th element in the nth row, starting with r=0.many thanks. Reply Link to post Share on other sites More sharing options...
El Che Posted June 9, 2011 Report Share Posted June 9, 2011 The task itself gives an example as the following:E5(2) = 15/9The example means that 15/9 is the 2nd element (i.e. the second fraction from left to the right) in the 5th row. You may ask why the 2nd element is not 15/11 but 15/9. Because we don't take into account 1 and 1 at each ends of a row and this is the primary reason why we write (r+1)th element. Another example would be E4(3) = 10/7. In this case, we look at the 4th row and the 3rd element (without including 1s at each end), and it corresponds to 10/7. I hope it helps. =) 3 Reply Link to post Share on other sites More sharing options...
Nat Burnett Posted June 9, 2011 Report Share Posted June 9, 2011 great, thanks I've got that now. more that I don't understand unfortunately :|the second instruction it gives is: "Using technology, plot the relation between the row number, n, and the numerator in each row. Describe what you notice from your plot and write a general statement to represent this." I've basically done a bog-standard excel scatter graph in response to this. I don't think this is right- no pattern jumps out at me from this. I've done second-order difference bit, I'm not sure how to take a general statement from this? Reply Link to post Share on other sites More sharing options...
dessskris Posted June 10, 2011 Report Share Posted June 10, 2011 I don't suggest using excel. instead use your GDC. however, excel will do.what do you mean no pattern? find the best fit line, that is THE pattern. Reply Link to post Share on other sites More sharing options...
Nat Burnett Posted June 10, 2011 Report Share Posted June 10, 2011 hi guys, I'm at the 'discuss scope and/or limitations of the general statement' bit of the assignments and a little bit lost- any hints? Reply Link to post Share on other sites More sharing options...
dessskris Posted June 11, 2011 Report Share Posted June 11, 2011 maximum and minimum values of n and r? can they be 0? can they be 3.5? can they be negative? can they be π? etc etc Reply Link to post Share on other sites More sharing options...
imthebest Posted June 11, 2011 Report Share Posted June 11, 2011 I need help with all the questions.. im really bad at maths..!! you can't solve it for me, but at least guide me? Please help me with the general statement (q.2), I still dont get it, even after having read all the posts.. Reply Link to post Share on other sites More sharing options...
imthebest Posted June 13, 2011 Report Share Posted June 13, 2011 none of you helps.. :'( i have 12hrs left.. Reply Link to post Share on other sites More sharing options...
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