Solving Higher Order Differential Equation

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Discussion Overview

The discussion revolves around the concept and physical meaning of higher order derivatives, particularly in the context of a polynomial function. Participants explore the reasons for calculating higher order derivatives and their applications in various fields.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant questions the purpose and physical meaning of higher order derivatives, expressing confusion about why derivatives are taken until reaching zero.
  • Another participant explains that while the first derivative represents speed and the second derivative represents acceleration, higher derivatives do not have a specific physical meaning in mechanics.
  • A different participant humorously challenges the notion that higher derivatives are unnecessary, suggesting that they can be relevant in various mathematical contexts, including tensors and calculus.
  • There is a mention of terms associated with higher derivatives, such as jerk, snap, and crackle, indicating a playful approach to the topic.

Areas of Agreement / Disagreement

Participants express differing views on the necessity and relevance of higher order derivatives, with some suggesting they are not commonly needed in mechanics, while others argue for their importance in broader mathematical applications. The discussion remains unresolved regarding the overall significance of higher order derivatives.

Contextual Notes

Participants do not clarify the specific contexts in which higher order derivatives may be useful, nor do they resolve the ambiguity regarding the physical meanings of these derivatives.

rsvsk4live
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Hi Friends,

Could anyone answer my question please I am not good in math:

Why we do Higher order derivatives..? What its physical meaning ...?

we keep on finding the derivatives till we get function zero...why...?

Lets say my equation is Y= x3 + 3x2 + 3x + 2

Thanks

Rsvsk
 
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Welcome to PF!

rsvsk4live said:
Why we do Higher order derivatives..? What its physical meaning ...?

we keep on finding the derivatives till we get function zero...why...?

Lets say my equation is Y= x3 + 3x2 + 3x + 2

Hi Rsvsk! Welcome to PF! :smile:

As you know, the first derivative is the rate (or speed), and the second derivative is the acceleration, so I assume you're wondering what the third derivative is?

Well, it isn't anything in particular …

in mechanics, for example, you wouldn't usually need third or higher derivatives.

But they can be useful in calculating volumes, expansions, approximations, and other things. :smile:
 


tiny-tim said:
Well, it isn't anything in particular …

in mechanics, for example, you wouldn't usually need third or higher derivatives.
Ha ha ha.
I guess you also do not need third or higher order tensors, differential equations, triple integrals or the calculus of variation. In carpentry you don't need nails.
Yoy can call x,x',x'',x''',x'''',x''''',x''''''
Position, Velocity, Acceleration ,Jerk/Jolt, Snap, Crackle, Pop

edited to say:At least you said usually, although I do not know what you meant by it.
 
lurflurf said:
At least you said usually, although I do not know what you meant by it.

my lawyer told me to put that in! :wink:
 

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