Lao Lin played this documentary, perhaps for all his students in the extracurricular class.
But Lin Chaoxi thought that this was specially prepared for her by Old Lin.
Lao Lin didn't know what she wanted to do, nor did he ask about it. He just told her in his usual way: This little thing of yours is actually no big deal.
Thanks to this documentary, Lin Zhaoxi knew that she was not actually in a pitch-dark space.
This is a house, suppose this is a house.
It's dark now and she's bumping into a lot of furniture because she can't find the switch.
But six months...
She may not have as much time to explore.
So what she needs to do now is to draw a map to put the sticky spider webs she touches and the furniture that bumps into her into their respective places in her mind.
When she was thinking about how to draw, what she had learned in that brutal summer camp in elementary school helped her a little. It wasn't William Chang himself who helped, but the large bookshelf he had filled with books that gave Lin Chaoxi new ideas.
Lao Zhang numbered different knowledge points in the table of contents of each book and organized them accordingly, allowing them to study in different categories, and finally tormenting them with exams.
Lao Lin had taught her how to construct a knowledge system a long time ago. Because she was starting over again, she was very familiar with the mathematical knowledge she had learned before college and could easily build a complete framework. This was an important reason why she was much ahead of others.
This time, she was faced with completely unfamiliar knowledge and problems in many fields such as mathematics, computers, transportation, etc. It was even more difficult to construct a similar knowledge system.
She is not Pei Zhi and does not have the ability to organize everything easily, so she needs to use some modern tools.
She had been to college and had a general idea of what tools science and engineering students used to conduct scientific research. Without hesitation, she found a book called "Document Management and Paper Writing" in the Hongjing Library and began to study it seriously.
This book was once discovered by Lao Lin, who pointed out the name of the document management software and asked her what it was.
"Maybe it's some kind of software?"
“So amazing?”
"Dad, you've been out of touch with society for a long time."
After Lin Chaoxi answered this, he was still waiting for Lao Lin to counterattack, but unexpectedly, Lao Lin nodded, snatched the book away and started reading it by himself.
In short, with the help of some tools that can help her organize information.
Lin Chaoxi found the general direction she could work towards.
She divided the big goal of predicting Lao Lin’s car accident into several small goals that needed to be completed.
First, she needs to complete a prediction software to estimate Lao Lin's movements.
Secondly, she needed a large amount of traffic data from Anning City over the years, and used a "mathematical model" to analyze all the data, combined with Lao Lin's own movement trajectory, to predict the specific location where Lao Lin might have a traffic accident within a certain period of time in the future.
Regarding traffic data, she has already asked Chen Zhu's father. Although he did not give a clear response, Lin Chaoxi thought that if she could submit a specific type of thing she wanted and find an appropriate reason, she believed that this would not be a big problem.
The hardest part is still math.
She initially wondered if she could delve deeper into mathematical modeling in the hope of finding a useful model.
Because in Strawberry World, the question Pei Zhi raised was to select members for the modeling team, and now, should she also do something similar? This self-righteous causal relationship made her have an unrealistic and lucky idea about things.
But then she found that neither the tests nor the teaching could solve her fundamental problems.
She didn't know how to start building what she simply defined as a "mathematical model."
After class every day, she would sit in the garage of Lao Chen's house and make a bowl of instant noodles. The garage had no windows, but it was not that there were no windows, as there were ventilation holes sealed with steel bars.
The desk is made of scrap wood and is a bit shaky, but it is actually very stable.
She rarely goes to Lao Lin's extracurricular classes anymore. What Lao Lin teaches to most students is not suitable for her now.
While searching data at the Anning College Library for the keywords “prediction” and “model,” she discovered that the term “neural network” also frequently appeared.
After reading several papers, she realized that she had missed such an important direction.
When she came to Strawberry World, "artificial intelligence" and "machine learning" were very popular fields, and the library was filled with rows of related books, but she was not sure whether there was still so much content for her to learn seven years ago.
It happened to be the Qingming Festival holiday, and the provincial training team also arranged a training session during the Qingming Festival.
Spring has officially arrived, and university campuses are filled with youth.
The training team took a mock test this morning.
At noon, Lin Chaoxi had the opportunity to go downstairs and look for information in the Sanwei University Library.
The Qingming holiday is short, so many college students did not choose to go home, and most of the seats in the self-study classes were occupied by students preparing for the postgraduate entrance examination.
This was the first time she encountered so many students in the Sanwei University Library. The reading room was filled with the rustling sound of books turning pages and pens writing, but it was also exceptionally quiet.
Looking at so many hard-working students, she suddenly became full of energy.
Lin Chaoxi walked around the floor-to-ceiling iron bookshelf and came to the T-category bookshelf.
Category T is industrial technology, category TP is automation technology and computer technology, and the related categories of artificial intelligence theory, automatic reasoning, and machine learning are under it, numbered TP18.
There are some books on the bookshelf, which is actually not a small number, but Lin Chaoxi's first reaction is still "so few".
She remembered that she had passed by this row of bookshelves in the library in Strawberry World. She was surprised by the novel contents such as "machine learning" and "xx algorithm" on the bookshelves, but now, these things were completely gone.
Today, most books on bookshelves have titles like “artificial intelligence” and “neural networks.”
Lin Chaoxi looked through them one by one and finally found a lonely copy of "MATLAB Neural Network and Applications".
Her eyes lit up, as if she had found a treasure, and she took it down and started reading it.
Sure enough, as a former liberal arts student, she still found it very difficult to open professional programming books.
The various terms such as "array function" and "matrix" that appeared on the first page made her feel both familiar and headache.
Before, she had a fleeting thought that she should have devoted herself to the action of saving Lao Lin as soon as she arrived in the cheese world, instead of spending so much time laying a solid foundation in mathematics that she now had to learn a programming language in a very short time.
But she found that, indeed, the most difficult part was still mathematics.
Without a good math foundation, she might not even be able to understand a programming book.
Therefore, she cannot relax at all when it comes to continuing her study of university mathematics.
Now the question is, for the unfamiliar field of computers, she can of course sign up for a training course to learn.
But now she is facing the high school entrance exam, as well as provincial team training, and self-study of university mathematics. She simply does not have weekend time to attend computer training classes.
What's more, she doubted that what she wanted to learn was too professional and it would be difficult to find similar training classes in the small place of Anning.
At this moment, Lin Chaoxi couldn't help but think about the future.
When she arrived at Strawberry World, seven years later, the bookshelves were filled with far more professional books than they are now.
Various university open courses are already all over the Internet. She can easily learn artificial intelligence, machine learning and even corresponding programming courses from world-renowned universities by turning on her computer.
If only I could go back once.
This was the first time that Lin Chaoxi thought of this after being in the heavy cheese world for so long.
Lu Zhihao and Pei Zhi appeared behind the bookshelf. She picked up the program book in her hand, patted her pants and stood up.
——
Lin Chaoxi borrowed the book "MATLAB Neural Network and Applications" and took it home.
The temperature was rising day by day. Just as she was immersed in the exploration of machine learning, the atmosphere of the school preparing for the high school entrance examination became increasingly tense.
The auditorium was still playing the athletes' march, the sound was deafening, and the atmosphere was full of pre-match mobilization. Their class 13 was arranged at the very back of the auditorium. This was not targeted by the school, but was arranged entirely according to the class ranking.
After all the classes were seated, the host stood in front of the stage. She tapped the microphone, and after a "pop" sound, a long and sharp noise exploded from the speaker, and the annual meeting officially began.
"Dear students and teachers, the high school entrance exam is coming soon. We are once again holding a general mobilization for the entire class. We hope that everyone can concentrate all their energy and not be distracted by external things!"
A high-spirited and inspiring female voice came from the speakers. Lin Chaoxi shuddered. He didn't expect that it was Ma Pingping, the head teacher of Grade 9 (1), who would open the show.
Teacher Ma held the microphone and said passionately: "If you still feel lucky and think that the high school entrance examination is far away from you, then I can tell you that in a few days, you will face the most important decision in your life!"
"Among you, some will enter key high schools, then go straight to key universities, and then study abroad to become the elite of society; while the rest may not even be able to get into high school and can only become the bottom of society!"
"Don't think I'm trying to scare you. I can tell you that this is what I've seen with my own eyes over the years I've been teaching..."
Although Ma Pingping was very excited, these contents were all old-fashioned rhetoric. Especially since their classmates had also experienced the baptism of Lao Lin, these words were completely unsatisfactory.
"Time is so tight. Some students may think that time is running out and efforts are useless. But I tell you that it is never too late to fight. Every bit of your efforts today will be reflected in your high school entrance examination papers tomorrow!"
Some people took out their textbooks to memorize words, some secretly played with their phones, and Lin Chaoxi also began to daydream, thinking about what she had been reading recently.
In fact, after searching for relevant information, she found that Matlab did not seem to be the best language for machine learning, and Python might be more suitable.
But in this era, Python is less popular than Matlab.
After searching all the libraries on the Internet, I found that only the National Library had a book called Numerical Methods Engineering with Python. The only other book I had was the Chinese translation of "Python Network Programming Fundamentals" from the Sanwei University Library, and the Anning Library had nothing at all.
But in Lin Chaoxi's memory, when she was browsing the university library in Strawberry World, she saw a large number of Python books in the computer science section.
If she could go back and come back, then progress would be very fast.
She kept having these thoughts.
As she thought this in her mind, she unconsciously wrote a line of formula in her notebook.
e=mc^2
"What's wrong with you?"
There was a sudden sound in her ears and she was pushed.
Lin Chaoxi was pulled back from his distraction and subconsciously covered the line of formula.
It was Matt Zheng who pushed her. The toothpick stuck in the boy's face was clearly visible. The surroundings were still the same auditorium, and nothing happened.
"ah?"
"The principal asked you to come up to the stage to receive your awards."
"Award-winning students, please come up to the stage to receive your awards!" the speaker repeated.
Looking around, Pei Zhi and Chen Chengcheng had already stood up, and Lu Zhihao was half standing.
The sun shone through the French windows. The principal looked at them with loving eyes from the podium. Everything was clear.
Nothing has changed.
She should have known.
Lin Chaoxi was a little dazed along the way, and only realized after he got on stage that this was the award ceremony for the junior high school mathematics competition held earlier.
Two exams had already passed, and now she was suddenly going to receive the award, but she was no longer excited or thrilled.
But the applause in the auditorium was still very enthusiastic, including the principal who was presenting the awards on the stage, who said that this was the best result the school had achieved in the junior high school mathematics competition in recent years.
The principal also praised the class teacher, Ms. Ma, saying that she had made an invaluable contribution as the head of the mathematics grade.
There was noticeable laughter from the audience.
Teacher Ma was very embarrassed.
Lin Chaoxi didn't look at Ma Pingping again, but lowered his head to look at the certificate in his hand.
The windows on both sides of the rostrum were open, and the spring breeze blew the award certificates in their hands, making them rustle.
The athletes' march sounded again in the auditorium, welcoming the award winners off the stage.
Lin Chaoxi walked behind Pei Zhi, the boy's back was handsome and upright.
She suddenly remembered that in Strawberry World, Pei Zhi also won the first prize in the country and went on stage to receive the award, and she was one of the people watching from the audience.
And now, she actually felt that going on stage to accept the award with him was so common.
If only I had tried harder.
"Next, we want to commend the top 10 students in the grade exam. They are Pei Zhi from Class 13 of Grade 9; Lin Zhaoxi from Class 13 of Grade 9..."
Before he reached his seat, Lin Chaoxi heard his name again.
And as the list continued, starting with Pei Zhi, the four-member award-winning team stopped again. Lin Chaoxi almost bumped into them, and a timely laugh broke out in the auditorium.
"It seems that the four students don't need to go back." said the host.
Just like they came, the four of them returned the same way they came and stood in a row with six other students to receive praise.
Lin Chaoxi took another award certificate. The principal patted her shoulder lovingly and said to her and Pei Zhi: "You two..."
This sentence was a bit meaningful, and the audience burst into laughter again. Someone even joked, "Together!"
Pei Zhi remained calm, and Lin Chaoxi bowed with him.
"Well, both of you are excellent students!" the principal added, turning to look at the audience, "In this monthly exam, the first and second place in the grade are in Class 13. I hope the students in other classes will work hard!"
"They did it on purpose!"
"You can obviously go to Zhongming class!"
The students started to make a noise again. Lin Chaoxi thought that she and Pei Zhi had basically no presence in the school, but she never expected that she would be made a noise when she stood on the stage.
The host took the microphone and quickly took control of the situation. "Next, we would like to invite Pei Zhi, who ranked first in his grade and won the first prize in the mathematics league, to speak and introduce his learning experience to the students. Welcome everyone!"
There was loud applause as Lin Chaoxi and eight other students walked off the stage.
When he turned around, Pei Zhi just took the microphone and said to everyone, "I hope to study hard with you all."
After saying this, Pei Zhi handed the microphone back to the host and followed them off the stage.
There was silence.
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