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[latex] 5 how to quickly write out the latex formula corresponding to the formula

2022-04-23 20:18:00 【smile-yan】

《latex Learning notes 》

【latex】1 Environment installation and quick start
【latex】2 Use Aurora And in word Write pseudo code in
【latex】3 How to use the Conference Journal Paper Template
【latex】4 Use in writing git Version management
【latex】5 How to write the corresponding formula quickly latex The formula

5.1 Problem description

When reading other people's papers, you can often see beautiful fonts and complex expressions , But when I wrote it myself, I found ,latex Expressions don't write , such as $\leftarrow$ , $\mathcal{A}$ , $\int_t^T$ , $\alpha \ \beta \gamma \Delta$ wait .

To sum up, there should be two difficulties ：

I don't know what font the author uses , what mathcal what mathbb Wait a lot .
I don't know how the author represents the symbols of those expressions , Like integral , Double integral , Absolute value symbol, etc .

5.2 resolvent

Recommend a free online image recognition tool ,https://www.latexlive.com/home##.

Simple method , Use QQ perhaps WeChat perhaps windows perhaps mac Self contained screenshot tool , After the screenshot, go to this website and paste it , You can see the result of conversion latex The expression .

Now take the formula of a paper as an example , The original formula is as follows ：

Insert picture description here
What font is that on the left ？ What letter is it ？

Insert picture description here
The effect is as follows ：

5.3 Handwritten formula

The formula as like as two peas in a paper is not necessarily the same. , Then it can be recognized by handwriting , Readjustment .

Handwriting , Taking pictures , Upload to computer , Re screenshot , Paste into this page .
Insert picture description here

5.4 Summary and praise

Papers are like life , They are all kinds of fancy and often can't understand how they operate , Let's take a screenshot .

If it helps you , Order one Well . thank ！

Smileyan
2022.4.7 21:06

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