Chapter 298

At twelve o'clock noon, the plane landed smoothly at the Capital International Airport in Kyoto.

Cheng Nuo and Muleng went straight to Tsinghua University and Peking University in Zhongguancun.

The competition and training venue is on campus, while the accommodation location is still in their respective dormitories.

Although it is still the seventh day of the Lunar New Year, there are many students who apply to stay in school during the winter vacation. The campus is not very deserted. Students walking hurriedly on the road with books can be seen everywhere.

Just as Cheng Nuo pulled his suitcase to the library, he saw an acquaintance walking out of the inside with a stack of books in his arms.

"Happy New Year, senior sister!" Cheng Nuo greeted with a smile.

"Huh?" Seeing Yu Luo tilting his head, he exclaimed lightly, "Didn't your freshman year start school just on the 16th day of the first lunar month?"

Cheng Nuo smiled and explained, "I signed up for this year's college student mathematics competition, so I returned to school early to participate in the training camp."

"That's it! Then junior, you have to work hard! I heard that if you can get good results in this competition, you will add a lot of points whether you are admitted to graduate school or studying abroad." Jade Yu Luo smiled sweetly.

"must."

After saying goodbye to Yu Luo, Cheng Nuo returned to the dormitory.

Open the door and the house is naturally empty.

The other three roommates were enjoying their first vacation in college, but Cheng Nuo had to come to school without even the Lantern Festival.

I contacted Professor Lu and told him that he had arrived at school. I originally wanted to have a sleep and accumulate energy for tomorrow's training camp, but I remembered that I hadn't eaten lunch yet, so Cheng Nuo made Mu Leng out and found a high-end Western restaurant to make it sweet.

Nothing to say a day.

The next day, on the eighth day of the Chinese New Year, the atmosphere of the New Year has not yet dissipated.

Various stores of all sizes, large and small, have been opened one after another.

After a simple breakfast in the school cafeteria, Cheng Nuo rushed to the teaching building where the training camp was held.

Since the training camp happened to be during the winter vacation, almost all teaching buildings did not arrange courses, it was easy for the Mathematics School to apply for the right to use the next building.

There are more than 100 students participating in the competition and training session of Tsinghua University, including four graders, but most of them are sophomore students, accounting for more than 60. As for seniors in seniors, there are not many idle people who are able to participate in the competition, so there are only five in total.

As for freshmen, since they have not finished the most basic high school, the number of scores and the number of solutions, there are very few people who have signed up for the competition.

In the first year of the freshman and sophomore group, the classroom was in the first floor staircase classroom. When Cheng Nuo slowly came over, there was no place in the front row, so he found a seat in the back row to sit down.

One of the main persons in charge of this training camp was Professor Lu. However, most of the courses were taught by several teachers from the School of Mathematics.

In this way, Cheng Nuo began his first competition and training camp in his life.

...

Seven days later, Lantern Festival.

The training camp has all ended, and Cheng Nuo has gained a lot.

Professor Lu found Cheng Nuo, "The first round of the preliminary round will be held in three days. Are you confident?"

Cheng Nuo's tone was confident, "No problem."

On the Lantern Festival, Cheng Nuo wandered in a foreign land.

In the evening, he bought a pack of dumplings in the supermarket. At the risk of being caught by the old man downstairs, he cooked a bowl of hot dumplings with the rice cooker he borrowed from other dormitories. On the table was also the specialty Laoshan White Flower Snake Grass Water brought from his hometown by Cheng Nuo.

So, during the Lantern Festival when Cheng Nuo was nineteen years old, he spent it alone and coldly.

…………

Three more days.

When the students began to return to school one after another, Cheng Nuo and his group of more than 100 people took several buses to the location of the preliminary race.

The preliminary round of the National College Student Competition is held in the competition area. Like the competition system of the High School Mathematics League, only students who win the first prize in the competition area are eligible to participate in the finals.

The Kyoto Division has the existence of a large number of higher education institutions such as Tsinghua University, Peking University and Beihang University, so it has always been the most fierce competition, no doubt about it.

At nine o'clock in the morning, under the leadership of Professor Lu, more than 100 people arrived at the test site in the Kyoto Division of Kyoto Normal University.

After checking the exam documents, Cheng Nuo was released into the examination room.

At 9:30 in the morning, the exam will start.

The exam time is 180 minutes, and the papers are allowed to be submitted in advance.

The test questions for the preliminary round include four fill-in-the-blanks and five major questions. The total score is 100. Although the number of questions is small, the difficulty of each question is definitely worthy of the national college student mathematics competition.

As soon as he got the test questions, Cheng Nuo first scanned the nine questions from beginning to end.

Average!

This is Cheng Nuo's judgment in a moment. The question types and test points of the test questions are not much different from those in previous years. They are just slightly changed in the specific questions, which can only be considered as a normal rule.

Since this is the case, Cheng Nuo will lose the difficulty of the challenge.

"I hope the topic will be more challenging in the finals."

He muttered in a low voice, and Cheng Nuo lowered his head and started answering the questions.

[Suppose the real square matrix h1=(0,11,0), hn+1=(hn,ii,hn),n≥1, where i is the same-order square matrix with the same unit as hn, then rank(h4)=______]

The test point of this question is related to the knowledge points of the diagonal square matrix.

Swish swish swish swish!

Cheng Nuo wrote the problem-solving steps on the draft paper: [hn is a symmetric square matrix of order m=2^n, then there will be an orthogonal square matrix p so that...the answer is drawn, rank(h4)=10.]

Three minutes to complete, next question!

…………

Outside the examination room, there is a rest area where several teachers led by the school.

Professor Lu from the School of Mathematics of Tsinghua University and Professor Liu from the School of Mathematics of Peking University sat together.

Professor Liu laughed, "Old Lu, I didn't expect you to lead the team this year."

Professor Lu glanced at him coldly, "It seems like you were not the one who led the team last year."

"Ah haha!" Professor Liu was not embarrassed at all, "But the person who won the bet last year is me, so I don't mind doing it again!"

Last year, the two universities led the teams, Professor Lu and Professor Liu. The two made a bet on that competition.

In the end, whoever wins the first prize in the competition will win.

The bet is that the loser must give the other party a free month of courses for the graduate students he teaches for free. This is what Professor Liu values. Although Peking University ranks first in the country in mathematics, the professors he hires are not omnipotent in all fields of mathematics. The functional field is considered a shortcoming of Peking University's Mathematics School.

Functional analysis is an unpopular field in China, and there are few professors studying this field.

But Professor Lu is a big shot in the functional field and ranks among the top in the country in functional analysis.

Therefore, Professor Liu used the method of provoking him to ask Professor Lu to agree to the bet last year.

And the result was naturally no accidents.

In terms of strength, Peking University’s Mathematics College is stronger than Tsinghua University’s Mathematics College. In the end, Peking University won eight first prizes and six first prizes in Tsinghua University.

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