Aid for understanding some calculations

In summary, the person is trying to understand a paper and is having trouble following the calculations, specifically the expansion on page 14 in Eq. 50. They are asking for help understanding how to expand ##\hat U## as a Taylor series. They clarify that this is not a homework question, but rather a request for explanation and examples to help them understand the abstract calculations without using matrix representations.
  • #1
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Its a while I'm trying to understand [ http://arxiv.org/pdf/quant-ph/0108132v1.pdf ] but i have problem following its calculations.The part I have problem in now is the expansion in page 14,Eq. 50.Can anyone help me understand how that is done?
Thanks
 
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  • #2
Shyan said:
Its a while I'm trying to understand [ http://arxiv.org/pdf/quant-ph/0108132v1.pdf ] but i have problem following its calculations.The part I have problem in now is the expansion in page 14,Eq. 50.Can anyone help me understand how that is done?
Thanks
Expand ##\hat U## as a Taylor series.

(If you need any more help than that, then please show your work, as if this were a question in the homework forum.)
 
  • #3
strangerep said:
Expand ##\hat U## as a Taylor series.

(If you need any more help than that, then please show your work, as if this were a question in the homework forum.)

I know that.The point is,I don't know how to do such calculations in this abstract manner and without using matrix representations and with that method,I don't seem to get the same result as that of the mentioned paper.
So,this is not actually like a homework thread,because i don't want the exact calculations.I just want an explanation,with some little examples,to understand how should I do it because I can't find a reference which helps me to understand that.
Still,if it seems a homework thread to you,I should say I don't know what to do from the first place,so I can show no work!
 

What is "Aid for understanding some calculations"?

"Aid for understanding some calculations" refers to any tool, resource, or method that helps individuals better comprehend and perform mathematical or scientific calculations.

Why is it important to have aid for understanding calculations?

Aid for understanding calculations can help individuals develop a deeper understanding of mathematical concepts, improve problem-solving skills, and increase accuracy in calculations.

What are some examples of aid for understanding calculations?

Examples of aid for understanding calculations include visual aids such as graphs and charts, mnemonic devices, online tutorials and videos, and interactive learning tools.

How can aid for understanding calculations be used in scientific research?

Aid for understanding calculations can be used in scientific research to help with data analysis, hypothesis testing, and interpreting results. It can also aid in designing experiments and accurately reporting findings.

How can I find the right aid for understanding calculations?

The best aid for understanding calculations will depend on your individual learning style and the specific calculations you are trying to understand. Some helpful resources include consulting with a tutor or teacher, searching online for specific topics, and experimenting with different study techniques.

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