Chapter 366

Chapter 369

the next day, Cheng Nuo, barely adjusting the time difference, arrived at Professor Fresnel's laboratory before 8 a.m.

Professor fields is very strict with his assistants.

It's exactly like the working mode of a large company, working eight hours a day, and sometimes working overtime.

But it's human. There are two days off each week.

In addition, the salary should be two or three grades higher than that of the assistant of a general professor.

Even Cheng Nuo, a newcomer, is paid $3000 a month according to the contract. Besides, it doesn't include bonuses or anything like that.

Instead of wearing the company's professional suit, Cheng Nuo walked into the office in a simple casual suit.

After signing the contract in Professor Fresnel's office, Cheng was officially admitted.

There is no time limit, which means Cheng Nuo can resign whenever he wants. However, in the face of this position, no one will waste his time with Professor Fresnel unless he is really not suitable for this job.

Taking Cheng Nuo out of the cubicle, Professor Fresnel clapped his hands to attract the attention of the other six students in the office.

Cheng Nuo has inquired about this. Professor Fresnel's assistants and himself currently have eight.

Now there are six people in the office. It is said that there is an assistant who has gone abroad for academic exchange. I'm afraid it will be some time before I come back.

In addition to hull and Sylvia who said a few words yesterday, Cheng Nuo also met four other colleagues.

All of them are boys, but they are different in appearance, but each of them exudes the profound temperament of an academic.

"Let me introduce you. This is Cheng from China, your new colleague!" Fresnel pushes cheno forward.

Cheng Nuo introduces himself again.

"Well, I'll assign Cheng Nuo's task now." Fresnel pondered for a few seconds, as if he had not made a good decision.

He turned to hull and said, "hull, how's your project team going?"

Hull replied respectfully, "teacher, it's about two-thirds done."

"So..." Professor Fresnel continued to ponder. After the atmosphere was silent for more than ten seconds, Fresnel said, "let Cheng Nuo enter your research group first, and you can take him."

"All right, teacher." Hal nodded and said, with a warm smile on his face.

However, after listening to Professor Fresnel's arrangement, two of the assistant boys' faces changed constantly, and they immediately gave a meaningful look at each other.

"Cheng Nuo, you and hull will talk about the project. I'll go back to the office first. There's nothing very important. Don't disturb me. " With that, Professor Fresnel turned back to his cubicle.

Outside the office, a few doctoral assistants breathed a sigh of relief.

Hull gave Cheng Nuo a faint smile, "Cheng, let's discuss the project. By the way, Henry and gal will come too. "

Henry and gal were just two people whose faces changed after the professor was appointed.

They looked at each other and reluctantly came to hull's desk.

On hull's desk, there is only one of the latest Apple office notebooks, along with some stationery and drawing tools, plus a large pile of draft paper.

For mathematicians, scratch paper is as important as toilet paper when you go to the bathroom!

Hull opened a document on his computer and explained to Cheng Nuo the project they were working on.

Cheng Nuo pulled a chair and sat down to get to know their project.

At present, the whole "Fresnel Research Office", er, Cheng Nuo temporarily calls this research group with Professor Fresnel as the core.

Fresnel Research Office, there are two ongoing projects.

One is a project led by Fresnel and assisted by sylvier and three other assistants. It's a project jointly approved by the Cambridge Institute and the Massachusetts Institute of technology to study the field of geometry.

The other project, of course, is hull's.

A linear modeling project about financial chaotic system.

This project is not a research task assigned by the state or the school, but an outsourcing project privately received by Professor Fresnel.

The so-called outsourcing project refers to the fact that some companies do not have the strength to carry out the project, so the project is handed over to other people, and they just pay for it.

And Professor Fresnel's brand is here. I'm afraid there are many companies willing to hand over the outsourcing project to him.

Therefore, after a period of time, Professor Fresnel will take over several outsourcing projects with high cost performance and hand them over to his assistants. Part of the outsourcing fund will also be given as a bonus.

Generally speaking, these outsourcing projects are not very difficult. A research team of three assistants can do it in a month or two.And this kind of good thing is also the turn of several assistants. This time, it was hull's turn.

The project was outsourced by a new financial company.

Cheng Nuo confidently checked the customer's requirements.

In short, customers hope that they can create a model for financial chaotic system, which includes linear control of deposit interest rate, investment demand, and financial comprehensive linear control.

Very simple modeling work. In terms of difficulty, I'm afraid it's only one level higher than the modeling contest.

It won't take him a month.

"How long have you been working on this project?" Cheng Nuo asked.

"Twenty five days!" Henry replied with pride.

25 days, two-thirds of the schedule, or three people?

Cheng Nuo remained silent and did not speak.

Because he was afraid of being beaten if he said it.

Cheng Nuo continues to listen to hull's modeling ideas.

The so-called financial chaotic system refers to the randomness of the financial system itself. This concept was put forward in havermo's economic growth equation by stuze, an American economist.

System instability, bifurcation, and then with the help of the method of financial system mathematical model, to achieve the control of this financial system.

Hull's three modeling ideas are also very conventional.

Firstly, a financial system composed of production sub block, currency sub block, securities sub block and labor sub block is established by using the method of system dynamics.

Such a system, due to its irregular behavior and extreme sensitivity to initial state values and parameter changes, produces the above-mentioned chaotic phenomenon.

Then refining and simplifying, let X be the interest rate, the investment demand y and the price index Z. according to the relationship between the above three, we can get the following equation:

[see the next chapter for the equation]

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