Chapter 60 This child can’t be taught (please support, third change)

The course that Chen Fan needed to take was finalized, Chen Fan’s roommate also arrived, and everyone briefly communicated, and the fourth person, fortunately, was not surnamed Chen, but called Wang Hu, a man with very muscles.

It is said that he is still a sports student, which surprised several people in the dormitory.

But looking at the personality, it seems to be particularly good.

Chen Chong joked that he was actually very difficult to fight or something.

Wang Hu didn’t say much.

“I have always been able to fight, in fact, I am not an orthodox student, I am more responsible for protecting you, this is my more important task, I entered the army in high school.”

Tear.

It’s for Chen Fan’s bodyguards.

The next morning, take the book, determine the class, and then start the simple lesson, and then prepare for military training.

In the first lesson, the teacher was also unambiguous, the math teacher.

“I don’t have anything to take in this course, you are all self-taught people, you also study advanced mathematics, I have a set of papers here, you do it, I will look at the scores when I look back, so that I can decide what to say to you.”

Everyone is a high-quality student from various provinces, and naturally understands the meaning of the teacher, saving everyone’s time.

Learn faster, more.

Selective education.

The rolls were handed out.

“The difference between any two nonzero solutions of a system of first-order linear nonhomogeneous differential equations ( ) .

(A) is not its solution to a system of homogeneous differential equations, (B is a solution to a system of non-homogeneous differential equations) (C is a solution to its corresponding system of homogeneous differential equations) (D) is a general solution to a system of non-homogeneous differential equations

Chen Fan glanced at it and filled in the answer directly.

This kind of multiple-choice question, the conceptual nature really has little impact on Chen Fan.

The following calculation problems, calculus problems, are linear functions and calculus, etc., these simple calculations, equation conversion, Chen Fan quickly ended the answers to these questions.

Advanced mathematics, for Chen Fan, if it is only the basics, Chen Fan feels that there is no way to make it difficult for himself.

But on the last question, Chen Fan was stunned.

This is a new field, or Chen Fan has seen it, but has not encountered this kind of topic.

The high number teacher took a sip of goji berry boiling water and looked at Chen Fan intentionally or unintentionally.

Traffic anomalies often occur on urban roads, resulting in lanes being occupied and affecting the capacity of the incident area. When the traffic demand is greater than the remaining capacity of the incident, vehicles queue, resulting in delays, increased travel time, and changes in traffic flow. According to these characteristics, we take traffic accidents in the basic sections of urban roads as an example, and mainly analyze the changes in the traffic capacity of the road after the traffic accident, as well as the changes in the traffic flow of the accident point and its upstream and downstream sections in different time periods, which is used to predict the traffic flow under further emergencies in the future

At first glance, this is a government document, and you can’t see anything that has anything to do with mathematics.

And the above picture and text is the key, the picture is very sloppy, but probably understand the meaning, give some numbers.

Over time, vehicles change and even pedestrians.

It’s all big data.

At first glance, this question should not appear on the math paper at all, and Chen Fan told himself in his bones that this was a math problem for the first time.

It’s just that Chen Fan doesn’t know what area this is.

The analytic hierarchy model obtains the magnitude of the influence relationship between each indicator and the target layer, and then we use the linear regression model to find out the specific functional relationship between each indicator and the target layer as y?? 0.043×1?0.092×3?63.623。 Second, we use the theory of traffic fluctuation correlation to obtain a theoretical model, and then derive the relationship between them.

After writing it, Chen Fan found that he seemed to lack certain knowledge.

Very empty area.

Is it a knowledge gap or is your own knowledge blocked?

Chen Fan lowered his head and thought.

Before I knew it, the temperature inside the house had increased a little.

The previous topic may be difficult for most people, but it is difficult for a few.

The last topic is about stumbling a few.

The teacher walked past some people and looked at what they were writing, some shaking their heads, others nodding.

Others nodded and started shaking their heads.

Came to Chen Fan’s side, turned his back on his hand, bent over, and went to see Chen Fan’s answering steps.

“Huh.”

One huh, attracted more than two hundred people in the house.

Everyone looked at it for the first time.

It’s him.

That super genius with an IQ of three hundred, a fifteen-year-old boy.

The immaturity on the face was immediately noticed.

The youngest student in the entire Peking University.

Could it be that this student has solved it?”

Some people around Chen Fan looked over one after another, and found that they couldn’t understand it at all.

What did Chen Fan write?

Does this have anything to do with the title?

. Assume that the statistics are true and valid;

2. Assume that the measured speed is comparable to the actual situation;

3. Assume that the vehicles in questions 1 and 2 go their own way and do not seize other lanes; 4. Assume that the incoming car in question 4 remains stable;

5. Assuming that all cars are standard models, one large car is equivalent to two standard cars;

6. Assume that the standard length of the trolley body is 5m;

7. Assume that the model is no longer affected by other factors;

8. Assume that accidents do not recur in each model;

9. Suppose the distance between the trolleys in the fourth question queue is 1m

After a series of assumptions, the real writing of the answer begins.

Chen Fan felt that these were all assumptions, but among these assumptions, they must be reasonable.

That is, you need to have a certain understanding of society.

Chen Fan’s memory has always been very strong, walking on the street, recording the length, speed, and average speed of the vehicle.

These are habits that usually form naturally.

“You’ve done these topics?”

“No, this is a category of topics?”

“Eh, nothing, nothing, go on, go on, write it out, after class, leave later, there are some things, talk to you.”

Chen Fan nodded.

When it was time to finish class, Chen Fan felt the frustration for the first time, not because the topic was wrong, nor was the answer wrong, but because he wrote it cumbersomely.

ps: Please support, thank you all.


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