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#1 2015-01-03 19:25:02

Gate2015
Member
Registered: 2015-01-03
Posts: 13

numerical method

plz tell me how to solve following questions:

[img]file://home/sm/Documents/doubt/Screenshot%20from%202014-12-31%2019:45:12.png[/img]


[img]file://home/sm/Documents/doubt/Screenshot%20from%202014-12-31%2019:47:52.png[/img]

Last edited by Gate2015 (2015-01-03 19:25:53)

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#2 2015-01-03 19:30:14

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: numerical method

Your images are not coming in. Please type the problems or use latex.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#3 2015-01-03 19:32:47

Gate2015
Member
Registered: 2015-01-03
Posts: 13

Re: numerical method

I dont know how to put image here
tell me

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#4 2015-01-03 19:33:09

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: numerical method

Where are the files?


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#5 2015-01-03 19:34:47

Gate2015
Member
Registered: 2015-01-03
Posts: 13

Re: numerical method

in my lap top

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#6 2015-01-03 19:35:53

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: numerical method

Why can you not type them out?


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#7 2015-01-03 19:39:10

Gate2015
Member
Registered: 2015-01-03
Posts: 13

Re: numerical method

they use integration any many symbol
okkk i try to write it

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#8 2015-01-03 19:39:55

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: numerical method

Upload your files to Imgur.com and then get the link.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#9 2015-01-03 20:22:48

Gate2015
Member
Registered: 2015-01-03
Posts: 13

Re: numerical method

Question 1: http://imgur.com/A0sMTfL
Question 2:http://imgur.com/ctN7Muq

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#10 2015-01-03 20:29:18

Gate2015
Member
Registered: 2015-01-03
Posts: 13

Re: numerical method

Q3: http://imgur.com/p7ru15j
Q4: http://imgur.com/U8QLgVI

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#11 2015-01-03 20:36:49

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: numerical method

Hi;

For 2, did you try the trapezoidal rule on that integral? Do they want you to curve fit through those points first or just do a trapezoid integration of discrete data?


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#12 2015-01-03 20:44:23

Gate2015
Member
Registered: 2015-01-03
Posts: 13

Re: numerical method

they dont want any curve fit, just simple trapezoid integration of discrete data

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#13 2015-01-03 20:46:20

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: numerical method

You do not know the formula?


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#14 2015-01-03 20:46:51

Gate2015
Member
Registered: 2015-01-03
Posts: 13

Re: numerical method

how u got the answere for first question?
how to calculate accuracy?

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#15 2015-01-03 20:48:00

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: numerical method

I am afraid that answer comes straight out of any textbook on numerical methods.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#16 2015-01-03 20:48:47

Gate2015
Member
Registered: 2015-01-03
Posts: 13

Re: numerical method

i dont know formula for calculating error and accuracy

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#17 2015-01-03 20:55:18

Gate2015
Member
Registered: 2015-01-03
Posts: 13

Re: numerical method

for calculating error
e= (m'' nh^3)/12
where m" is double differentiation of function
but if so true than y we say thAt trepoziam rule gives a truncation error of order h^2?

for accuracy i dont know

Last edited by Gate2015 (2015-01-03 21:01:28)

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#18 2015-01-03 21:13:00

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: numerical method

One thing at a time. You have asked 4 questions in this thread alone but you have not shown any work. Because of that I do not know where you are going wrong or what you know.

For question 2, you do not know how to get the answer?

Also, the error estimate for the trapezoidal rule and the Simpson's rule are not the same.

For question 2, I am getting A).


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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