Xueba: The Knowledge I Teach, The Crit Is Returned

"What's the meaning?"

After hearing Gu Bai's words, Xue Jiabao and Li Mengfan were also stunned.

Both.

Brother, are you kidding me?

This is not looking for a wife, looking for a girlfriend, the more the better, this is a modeling problem!

The follow-up is the writing of the thesis, which is difficult to complete without dozens of hours.

What's more, this kind of hell-level mathematical modeling is definitely more difficult.

Actually... Gu Bai doesn't mean all that.

Do both questions, but... he is going to participate in the first category A question~.

The reason why he said to do both is because... Gu Bai is interested in the data of ultra-fast charge-discharge and cyclic charge of class B 'graphene batteries'.

He is not good at computers, and he is not good at MATLAB mathematical modeling tools.

Taking this opportunity, use the idea of ​​mathematical modeling to study the 'broken battery' in his system space.

Of course, the research on category B topics is due to Gu Bai's personal private letter, or it is a personal problem, which has nothing to do with the two seniors.

After pondering for a while, Gu Bai said: "Let's do the A-type questions first, as for the B-type questions that I want to study personally. 99

Looking at Senior Xue Jiabao, Gu Bai said seriously: "If I have time, I would like Senior Jiabao to help me build a mathematical model."

"Oh, is there any connection to the battery you've been going to the lab to study recently?"

Looking at the B-type graphene superconducting battery, Xue Jiabao asked.

"It feels there, and it doesn't..." Gu Bai replied.

"Okay...Whether it's useful or not, I'll write down this topic first. If we have time after finishing the Class A questions, I'll help you, and I'll help you when we don't have time to go back to school.

"Thanks."

With a snap of his fingers, Gu Bai turned his head towards Senior Li Mengfan and said, "Seniors can search for references, the subject framework of the thesis, and write, and the rest..."

"Give it to me.

After speaking, Gu Bai turned his attention to the mathematical modeling topic of [Big Summer Eyes].

The content of the title is nothing more than some pictures and data of Tianyan.

The Big Summer Eye (FAST) is a radio telescope. It consists of an active reflector, a signal receiving system (feed cabin) and related control, measurement and support systems. The active reflector system is composed of the main cable network, An adjustable spherical surface composed of main components such as reflective panel, pull-down cable, actuator and support structure....

After reading all the materials in one eye and ten lines, Gu Bai looked at the questions after the line:

[1. When the celestial object to be observed is located directly above the reference sphere, that is, =0, =90, the ideal paraboloid is determined by considering the adjustment factors of the reflective panel. 】

[2. When the celestial body to be observed is located at =36.795, =78.169, determine the ideal paraboloid. 】

[3. Based on the reflection surface adjustment scheme in question 2, calculate the receiving ratio of the feed cabin after adjustment, that is, the ratio of the reflected signal received in the effective area of ​​the feed cabin to the reflection signal of the reflection surface within the 300-meter aperture, and compare it with the reference The receiving ratio of the reflecting sphere is compared. 】

After reading all the information and the corresponding questions, Gu Bai raised his brows, and his brain started to work quickly.

Mathematical modeling examines a problem of students' use of mathematical ability. This kind of data mixed with astronomy and astronomy is really a headache at first glance.

But...the topic is the topic after all, he is different from the research and the data obtained by his own experiments.

When the questioner came up with this question, he was editing the question according to the existing data.

Therefore, all changes are inseparable from the original, looking at the essence through the phenomenon, this is just a mathematical problem in the guise of 'scientific research'.

Da da da.....

After tapping his thumb on the table a few times, Gu Bai already had a modeling idea in mind.

"The active reflection surface has a total of 2,226 main cable nodes, and 6,525 main cables are connected between the nodes. Regardless of the partial reflection panels connected to the surrounding support structures, there are a total of 4,300 reflection panels."

"Appendix 1 gives the coordinates and numbers of all clue nodes, appendix 2 gives the coordinates of the lower end point (ground anchor point) of the actuator, the coordinates of the upper end point (top) in the reference state, and the main cable corresponding to the actuator Node number..."

"So, in question 1: when the celestial body to be observed is located at = 36.795, = 78.169, considering that the electromagnetic wave signal and the reflected signal are both regarded as straight line propagation, its ideal paraboloid....'

"Problem 2: In order to ensure the establishment of a reflection panel adjustment model, adjust the expansion and contraction of the relevant actuators, and make the reflection surface as close to the ideal paraboloid as possible, so when the celestial object to be observed is located at = 36.795, = 78.169, the function in MATLAB software should be used. Algorithms to achieve ideal paraboloids for various situations...finally..."

soon.

The logical outline of this Tianyan topic, which used several pages and a dozen pictures, has been clarified by Gu Bai.

Li Mengfan was stunned when he saw that he had already typed a page of word document 'problem solving'.

"Fuck...is it Xiaobai's real mathematical modeling ability?

Li Mengfan's eyes widened, his face full of shock.

Although he and Gu Bai also worked together for a few months for the National Undergraduate Mathematical Modeling Competition, he also knew that Gu Bai's mathematical ability was very strong.

But... he at least had a degree at that time.

However....

At this time, Gu Bai gave him the feeling that he no longer had such a degree, it was an unbelievably strong kind.

It is so strong that ordinary people can't imagine it at all.

0••••••••**•••••••••

You must know that this mathematical modeling problem of Tianyan... is a real new problem.

Shocked, Li Mengfan was shocked at this moment.

Xue Jiabao used his middle finger to push up his glasses, and his expression was unbelievable.

Without talking about the attachments given in the title, fade out reading to understand the principle of the operation of the sky eye, it is difficult to understand without an hour or two.

But what about Gu Bai?

Almost less than 10 minutes, the analysis has been completed, and there are outline ideas for solving the problem.

"So....in the past few months, Xiaobai has never exposed his strength."

"In other words, when we were training, Gu Bai thought the problem was too easy...he didn't bother to solve it hard.

Xue Jiabao took his eyes off Gu Bai with difficulty, looked at Li Mengfan and laughed at himself.

Dumbly nodded, Li Mengfan could only think of this possibility.

"So, this time we hug Xiaobai's thigh." Then, Li Mengfan whispered.

"Don't we always feel that way?" Xue Jiabao said with a smile.

"It's different, this time the feeling is especially strong!!

Li Mengfan paused, then continued: "Actually, according to Xiaobai's strength, and his identity as the prover of the NS equation and Zhou's conjecture, this modeling competition means little to him."5

"You mean, he's in for the both of us.

"That's right, so this thigh was given to both of us."

A little embarrassed, he touched his nose, and Li Mengfan vowed: "So.... I have decided.

"Decide what?"

"In the future, Gu Bai, the student god of our Linhai University, is my idol and my forever little white brother. I will only follow Xiaobai brother."

"Hehe~~"

Rolling his eyes speechlessly, Xue Jiabao looked at this living treasure.

"Working, you should first clarify this idea, and then look for more references to compare, to prepare for the follow-up paper, although Xiaobai is a thigh, but... this is not a person's work after all.

Xue Jiabao saw that in the group of 3 people in his notebook, Gu Bai had already posted the 'problem-solving text outline' he had just compiled, and immediately reminded him.

"Well, I'm starting to explode."

Li Mengfan nodded in response.

The two of them knew in their hearts that as long as there were no problems with subsequent papers and programming, there would be absolutely no problem in winning the first prize in this modeling competition.

While all the other groups were still complaining and scolding the questioner SB, Gu Bai had already finished sorting out the outline of this modeling.

Even took the time to check it several times.

After re-examining the ideas sorted out on the word document, Gu Bai is gearing up for his next work.

It is to express these written problem-solving outlines in mathematical language!