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#1 2013-11-26 00:39:52

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 24,996
Website

Model Idea, please?

This time Suman Sir told us that we have to create a model for our project. The topic can be anything chosen from the following. Listening to his words, I figured that to him a model is not a mathematical model. It is a kind of 3d object.

This is what we have in our syllabus. But, you might recommend something out of this if you think it is good

Quadratic Equations
Arithmetic Progressions
Coordinate Geometry
Probability
Constructions

Applications of Trigonometry
Surface Areas and Volumes
Circles
Area Related to Circles

Real Numbers
Polynomials
Pair of Linear Equations in two variables
Triangles
Trigonometry
Statistics

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.

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#2 2013-11-26 00:43:59

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: Model Idea, please?

Wait, does he mean a 3d model or a mathematical model?

“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#3 2013-11-26 00:56:13

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 24,996
Website

Re: Model Idea, please?

3d model. unfortunately sad

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.

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#4 2013-11-26 02:14:32

Bob
Administrator
Registered: 2010-06-20
Posts: 10,621

Re: Model Idea, please?

hi Agnishom,

A few random ideas:

http://www.sfu.ca/physics/outreach/acti … ctures.htm

http://www.mathsisfun.com/geometry/conic-sections.html

http://www.mathsisfun.com/data/quincunx.html


Bob

Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob smile

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#5 2013-11-26 02:14:48

Bob
Administrator
Registered: 2010-06-20
Posts: 10,621

Re: Model Idea, please?

and one more


http://www.mathsisfun.com/algebra/trig- … ircle.html

Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob smile

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#6 2013-11-26 02:23:58

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 24,996
Website

Re: Model Idea, please?

Thanks a lot.

The conic section and the quincunx seem interesting.

Is it possible to make a interactive unit circle without a computer?

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.

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#7 2013-11-26 05:55:41

Bob
Administrator
Registered: 2010-06-20
Posts: 10,621

Re: Model Idea, please?

If you had a hand cranked wheel, with a gear to drive some tractor feed printer paper you might be able to get a sine curve trace.  You need the wheel and the paper to be driven by the same method so that they stay in sync.

The lissajous pendulum does work; my A level physics teacher had one using sand; but it's hard to keep it swinging so it doesn't produce fantastic traces.  An oscilloscope or computer program is reliable but then you are not making an actual model.

The programmed quincunx is based on an actual model using a board and nails.  You'll need to experiment with the right spacing and ball size to get it working nicely. And it will only show 50:50 probabilities.

You could make a cone out of clay or plaster (or even wood) and cut sections.

Hope it goes well whatever you decide to make.   smile

Bob

Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob smile

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#8 2013-11-26 06:00:16

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 24,996
Website

Re: Model Idea, please?

I think I will go for the quincunx. Let me talk to my team tomorrow....

Thanks again, that really helped big_smile

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.

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#9 2013-12-17 05:12:26

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 24,996
Website

Re: Model Idea, please?

1466192_239361829558840_1583844626_n.jpg

To be honest, my maths teacher said this is too hi-fi as for the theory. So, Nky and his team made it and he really made an awesome one

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.

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#10 2013-12-17 05:25:13

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

Re: Model Idea, please?

I am not getting the picture of it.

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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#11 2013-12-17 05:27:09

nky31
Member
Registered: 2013-12-17
Posts: 16

Re: Model Idea, please?

thanks to you @Agnishom for the Idea..

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#12 2013-12-17 05:30:04

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

Re: Model Idea, please?

Hello nky31;

Welcome to the forum. Please introduce yourself in Introductions.

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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#13 2013-12-17 05:33:47

Agnishom
Real Member
From: Riemann Sphere
Registered: 2011-01-29
Posts: 24,996
Website

Re: Model Idea, please?

rz6r.jpg
Do you see it now?

'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.

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#14 2013-12-17 05:35:03

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

Re: Model Idea, please?

Yes, I do. Very good!

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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#15 2013-12-17 05:37:08

nky31
Member
Registered: 2013-12-17
Posts: 16

Re: Model Idea, please?

thank you @bobbym

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#16 2013-12-17 05:38:38

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

Re: Model Idea, please?

You are welcome.

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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