Problem in deriving an expression

Thread starter Gloyn
Start date Oct 15, 2012
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deriving Expression

In summary, deriving an expression involves manipulating existing equations or statements to arrive at a new one with equivalent or similar meaning. Common problems include incorrect application of rules and incorrect simplification. To improve skills, practice regularly and seek guidance. Software and calculators can be used, but understanding the concepts is important. Real-world applications include physics, engineering, economics, statistics, optimization, and developing new theories.

Oct 15, 2012

Gloyn

Hi!

In this paper:

http://www.atm.ox.ac.uk/user/read/mechanics/LA-notes.pdf

On the bottom of page no. 25 there is written, that:

\int δWdt=-\int δVdt. Why is that? Can anyone explain into me?

Thanks in advance.

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Oct 16, 2012

Gloyn

Ok, got it, it's simply NII, force equals derivative of potential.

1. What is the meaning of "deriving an expression"?

Deriving an expression refers to the process of mathematically or logically manipulating existing equations or statements to arrive at a new equation or statement that is equivalent or has a similar meaning.

2. What are some common problems encountered when deriving an expression?

Some common problems include incorrect application of mathematical rules, missing or incorrect variables, and incorrect simplification or expansion of terms.

3. How can I improve my skills in deriving expressions?

Practicing regularly and familiarizing yourself with fundamental mathematical rules and techniques can help improve your skills in deriving expressions. It is also helpful to seek guidance from experienced mathematicians or to consult reliable resources.

4. Can software or calculators be used to derive expressions?

Yes, software and calculators can be helpful tools in deriving expressions. However, it is important to understand the underlying mathematical concepts and be able to manually derive expressions for a deeper understanding.

5. What are some real-world applications of deriving expressions?

Deriving expressions is commonly used in fields such as physics, engineering, economics, and statistics to model and analyze real-world phenomena. It is also used in optimization problems and in developing new mathematical theories and equations.