Lin Chaoxi discovered that the third opening was more difficult than he had imagined.
On one hand, she was taking intensive training for the Mathematical Olympiad, on the other hand, she was studying advanced mathematics, and at the same time, she had to explore problems in the field of machine learning.
It's not that she can't handle it, but there are only 24 hours in a day, and she needs to complete daily exams while also studying the intersection of computers and mathematics.
Because the latter involves too much knowledge related to university mathematics, in order to understand the book, she is more eager to learn linear algebra and probability theory and mathematical statistics more thoroughly.
I basically learned all of this by myself. Although Lao Lin is not around, fortunately Pei Zhi is still around, so I can get by a little bit.
At the end of June, the weather was already very, very hot.
But at 5 o'clock in the morning, when the sky was just getting light, the temperature was still relatively fresh and comfortable.
Lin Chaoxi got up quietly, packed his schoolbag, and prepared to go out.
The dormitory window curtains were drawn tightly, and her movements were very gentle, but Yin Xiaolin, who was lying on the upper bunk, still woke up.
Yin Xiaolin turned over heavily in annoyance, as if she was suppressing something.
After spending so many days together, Lin Zhaoxi knew that this senior was really suffering from neurasthenia. She quickly put on her schoolbag and left without buttoning her coat.
Many people have said that people’s minds are clearest in the early morning, and their study and work efficiency is highest, provided that you can get up.
Lin Chaoxi ran all the way to the cafeteria door with his schoolbag on his back, which was considered an early morning exercise.
There were only a few people on campus; even egrets and flying birds dared to come out and wander around.
She sat on the steps, panting, opened her textbook and started reading by herself.
After reading for a while, she took out a pen and paper, closed the book, and began to deduce and prove. Understanding is more important in college mathematics. If you can't understand it, do the exercises and then understand it. This sentence was said by Lao Lin himself.
The cafeteria opened at around 6 o'clock.
The chef who opened the door had become familiar with her and would joke when he saw her: "Others secretly go to the small pond to read, but you are the only one who keeps the canteen door open every day."
Lin Zhaoxi also laughed: "Master Ma, I'm really hungry!"
Jumping up and patting his butt, Lin Chaoxi ran into the cafeteria and directly bought two steamed buns and a cup of soy milk. No matter how tight the time was, he absolutely could not slack off on eating.
Generally speaking, at 7:30 in the morning, Pei Zhi would come to the cafeteria to have breakfast with her.
This reflects Pei Ge's excellent work and rest tradition. No matter what schedule other people around him use, he always has his own set of standards. He gets up at seven o'clock and shows up at seven-thirty without fail.
Generally speaking, as a good lackey who needs Brother Pei's guidance, Lin Chaoxi would buy Pei Zhi's breakfast and wait for him at around 7:20, as a show of filial piety to Brother Pei.
After all, Lao Lin was not around, and the only one who could explain university mathematics to her was Pei Zhibenzhi.
Classes officially start at 8:30. As young people who need sleep, Lu Zhihao and Chen Chengcheng often run into the classroom when the bell rings.
They simply left their meal cards with her after dinner every day. In the morning, she would buy breakfast for them and then put the meal cards in the breakfast bag and return them to them.
Because we are all young people, we like to sleep in and don’t like to eat breakfast.
So in the first class in the morning, the classroom will be filled with the sounds of people unpacking packages and secretly eating breakfast.
The aroma of steamed buns wafted everywhere, and even William Chang had to give up the first class to let them take a quiz, and instead talk about the questions to give them time to eat.
However, after most people finished breakfast, Chang Shuping put down the chalk and the test papers were handed out like snowflakes. They had to spend the whole morning painfully solving questions.
The heat is oppressive and there is a heat wave coming. The sun is terribly hot in the middle of the day.
Lin Chaoxi was too lazy to go to the cafeteria to eat at this time, so she would buy lunch in the morning, have a few bites at noon, and then go to the computer room to use the computer.
Although Matlab is more popular in this era, Lin Chaoxi decided to learn Python first.
She shamelessly registered at the Sanwei University Library for the book Numerical Methods Engineering with Python. The library actually bought the book, and as the first person to borrow the new book, she spread out the book and started reading it without stopping.
But this is all in English.
Before she finished reading a page, she encountered more than a dozen unfamiliar words. Looking at the book, the joy in her heart about borrowing the book was dampened a lot.
She opened the browser and began to look up the words one by one, then continued reading, but the progress was still very slow.
It would be nice if I could go back, this thought popped up again.
The cold air from the air conditioner could not resist the scorching sun outside the window. Lin Chaoxi felt hotter and hotter as she read. Sweat flowed down her cheeks and dripped onto the pages of the book. She quickly wiped it off.
The moment her fingertips touched the sweat drops, she gently turned and drew a line of formula on the paper.
e=mc^2
The computer host was rustling and the air conditioner was emitting weak cold air. Lin Chaoxi raised her head. She was still in the library of the old campus of Sanwei University. Nothing had happened.
What are you doing?
Lin Chaoxi rubbed her face. She should have cherished the extra study time she had finally gained by breaking every minute into ten, instead of trying to rely on the golden finger to make up for the shortfall.
And what if, after she goes back to the past, she suddenly can't come back?
——
Time is running out. In more than 180 days in half a year, she has to face a mountain of courses and an insurmountable wall of knowledge. Every minute is very precious.
Lu Zhihao and Pei Zhi sometimes go online with her, and sometimes not.
Comrade Lu Zhihao is quite gossipy. He would ask her what book she was reading, why it was all in English, and why she was working so hard recently.
But Pei Zhi never asked these questions.
Lin Chaoxi thought about it and it was true. She would never ask Pei Zhi "What are you learning?" or "What are you thinking about when you write those weird symbols?" and so on.
They kept a certain distance tacitly.
——Everyone has their own secrets and needs their own space.
This was what Lin Chaoxi thought at the time, and she actually regretted it very much later.
Actually, it is not like that.
——
The day Pei Zhi left the training team was said to be the hottest day in the entire month of June.
The temperature in Yongchuan City hit a record high. When she went out for a run at 5 a.m., she felt the scorching heat of the rising sun.
As usual, at 7:30, Pei Zhi entered the cafeteria on time.
Lin Chaoxi waved at him happily. When she put the breakfast on the table, she noticed that the boy was carrying a heavy schoolbag with a bright yellow check mark on it. The bag was bulging with stuff. It was Pei Zhi's luggage bag when he came.
"Brother Pei?"
Lin Chaoxi was stunned.
"What's the problem today?" Pei Zhi put down his backpack as usual, picked up the soy milk as usual, and asked her.
"Why do you carry such a big bag to class?" Lin Chaoxi continued to ask.
"I want to go home."
"Why?!" Lin Chaoxi moved his hand and almost knocked over the milk on the table.
"Something happened at home."
"What's the matter? You're not going to attend the training?" Lin Chaoxi became nervous.
"Um."
"Is it because of your mother?"
"Maybe."
"Why 'maybe'? What about mathematics? Are you still studying mathematics?"
Lin Chaoxi couldn't control the volume and asked questions like a rapid-fire barrage.
"It's a long story."
But Pei Zhi didn't answer her question at all, he just said this lightly.
Lin Chaoxi knew that Pei Zhi might be a little bored staying in this training team, but he had always been very determined to stay here. Even when he was in elementary school, he was very determined to stay with them.
So his sudden announcement of leaving was like a bolt from the blue to her.
Now I really want Pei Zhi to explain clearly what "it's a long story" means, and I also want to say "I can wait here for you to finish talking slowly",
But whether it was Pei Zhi's expression or his tone, it was clear that he didn't want to talk about this now.
Lin Chaoxi's heart gradually grew colder.
Even though the high school entrance exam was over, Pei Zhi still said something at the school gate that sounded like a joke and was slightly ambiguous.
But now it is very likely that this ambiguity is just her misunderstanding.
When a boy and a girl get close, the boy probably thinks they are just friends, but the girl can't help but think that the other person likes her.
There are many such misunderstandings, which have caused many embarrassing situations. Lin Chaoxi is very uncertain now.
There was a long, cold silence.
Although they often sat together without saying a word for an entire afternoon before, that kind of silence was completely different from the silence now.
"What is it? Can you tell me?"
“To be honest, it’s hard for me to explain it.”
Lin Chaoxi tried hard: "If you are in Anning, you can find Lao Lin if you have any questions. When you know, you can tell me what you want to say!"
"Yes, I know."
Pei Zhi pulled her exercise book over and said, "Let me finish explaining it to you."
He had slender fingers and a clear gaze as he stared at her handwriting, interrupting her at the right time to say the heartfelt words she was about to say.
Lin Zhaoxi felt it very clearly.
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