Lao Lin played this documentary, perhaps for all his students in extracurricular classes.
But Lin Zhaoxi thought that this was specially prepared by Lao Lin for her.
Lao Lin didn't know what she wanted to do, and he didn't know how to ask about it. He just told her in the usual way: It's really not a big deal with your crap.
Thanks to this documentary, Lin Zhaoxi knows that she is not actually in a dark space.
It's a house, let's say it's a house.
It's dark now, and she's going to bump into a lot of furniture, because she hasn't touched the switch yet.
But six months...
She may not have so much time to grope.
So what she has to do now is to draw a map, so that those sticky spider webs she touches, or bumps on her furniture, return to their respective places in her mind.
When she was thinking about how to draw pictures, what she had learned in that cruel summer camp in elementary school helped her a little. It wasn't Zhang Shuping himself who did it, but the large bookshelf he once filled gave Lin Zhaoxi a new idea.
Lao Zhang numbered different knowledge points on the table of contents of each book, sorted them out accordingly, asked them to study in categories, and finally tossed them with exams.
Lao Lin taught her how to build a knowledge system a long time ago, because once again, she is very familiar with the mathematics knowledge before university, and can easily build a complete framework, which is an important reason why she is much ahead of others.
But this time, she was faced with completely unfamiliar knowledge and problems in many fields such as mathematics, computer, transportation, etc. It was even more difficult to construct a similar knowledge system.
She is not Pei Zhi, and she does not have the ability to organize everything easily, so she needs to use some modern tools.
She has been to university, and probably knows what tools students in science and engineering use for scientific research. She found a copy of "Literature Management and Paper Writing" in the Hongjing Library without hesitation, and started to study it seriously.
This book was discovered by Lao Lin once, and he pointed to the name of the document management software and asked her what it was.
"Probably some kind of software?"
"so smart?"
"Dad, you have been out of touch with society for a long time."
After Lin Zhaoxi answered, she was still waiting for Lao Lin to fight back, but Lao Lin nodded, snatched the book away, and read it by herself.
Anyway, with the help of some tools that help her organize the information.
Lin Zhaoxi found a general direction for which she could work hard.
She divided the big goal of predicting Lao Lin's car accident into some small goals that need to be completed.
First of all, she needs to complete a prediction software to speculate on Lao Lin's trajectory.
Secondly, she needs a large amount of traffic data in Anning City over the years, and uses a "mathematical model" to analyze all the data, combined with Lao Lin's own trajectory, to predict the specific location where Lao Lin may have a car accident in a certain period of time in the future.
Regarding the traffic data, she had already asked Chen Zhu's father. Although the other party did not give a clear response, Lin Zhaoxi thought that if she could submit the specific type of things she wanted and find a proper reason, I believe it would not be a big problem.
The hardest part is still math.
At first, she wondered if she could delve deeper into mathematical modeling in order to find a useful model.
Because in Strawberry World, the question Pei Zhi asked was to select members for the modeling team, and now, is she going to do similar things, this kind of self-righteous causal connection makes her have unrealistic fluke about things idea.
But then she discovered that neither the test questions nor the teaching could solve her fundamental problem.
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 instant noodles. There are no windows in the garage, and it cannot be said that there are no windows. There are vents sealed with steel bars.
The desk is made of waste boards, a bit wobbly, but actually very stable.
She doesn't go to Lao Lin's extracurricular classes anymore, and what Lao Lin tells most of the students is not suitable for her now.
When she searched the keywords of "prediction" and "model" in the library of Anning University, she found that the word "neural network" also appeared frequently.
After reading a few papers, she realized that she had missed such an important direction.
In the Strawberry World when she came, "artificial intelligence" and "machine learning" were very popular directions, and there were rows of related books in the library, but she was not sure whether there were so many available seven years ago. for her to learn.
The time just happened to be the Ching Ming Festival holiday, and the provincial training team also arranged a training camp on the Ching Ming Festival.
Spring has officially arrived, and the university campus is full of youth.
The training team took a mock test in the morning.
At noon, Lin Zhaoxi had the opportunity to go downstairs to look for materials in the library of Sanwei University.
The Ching Ming holiday was short, so many college students did not choose to go home, and most of the self-study seats were filled by graduate students.
This was the first time she met so many students in the library of Sanwei University. The reading room was filled with the sound of flipping through books and picking up pens and writing, but it seemed extraordinarily quiet.
Seeing so many hard-working students, she was suddenly full of energy.
Bypassing the towering iron bookshelf, Lin Zhaoxi walked to the T-type bookshelf.
The t category is industrial technology, the tp category is automation technology and computer technology, and the related categories of artificial intelligence theory, automatic reasoning, and machine learning are just under it, numbered tp18.
There are some books on the bookshelf, actually the number is not small, but Lin Zhaoxi's first reaction is still "very few".
I remember that in Strawberry World, she also passed this row of bookshelves in the library. She was once surprised by the brand-new "machine learning" and "xx algorithm" on the bookshelves, but now, these things are completely absent.
The titles of most of the books on the shelf today are "Artificial Intelligence" and "Neural Networks".
Lin Zhaoxi looked at it one by one, and finally found a lonely book "Neural Network and Application of Matlab".
Her eyes lit up, as if she had found a treasure, she immediately took it down and started flipping through 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 friendly and headache.
Before she had a flash of thought, should she devote herself to saving Lao Lin as soon as she came to the world of cheese, instead of spending so much time laying down the basics of mathematics, so that she has to do it in a very short period of time? Learn a programming language in a short amount of time.
But she found that, sure enough, the hardest part was the math.
Without a good foundation in mathematics, she might not even be able to read a programming book.
So she can't relax at all for the continued study of college mathematics.
So now comes the problem, for the unfamiliar computer field, she can of course enroll in a training class to learn it.
But now she is facing the high school entrance examination, as well as the provincial team training, and the self-study of college mathematics is also the focus. She simply doesn't have weekends for computer training classes.
What's more, she was very skeptical. What she wanted to learn was too professional, and it was difficult to find similar training courses in the small place of Anning.
At this time, Lin Zhaoxi couldn't help thinking about what happened later.
In the strawberry world when she came, seven years later, there are far more professional books on the bookshelf than now.
And various university open courses have spread all over the Internet. When she turns on the computer, she can easily learn artificial intelligence, machine learning and even corresponding programming courses from world-renowned universities.
It would be nice to go back once.
It was the first time Lin Zhaoxi thought so after coming to 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 Zhaoxi borrowed the book "Neural Network and Application of Matlab" home.
The temperature is rising day by day, and when she is immersed in the exploration of machine learning, the atmosphere of sprinting for the high school entrance examination in the school is also getting stronger.
The auditorium is still playing the athletes' march, the sound is deafening, and it is full of the atmosphere of general mobilization before the game. Class 13 of them was arranged at the very back of the auditorium. This was not aimed at them by the school, but was arranged completely according to the rank of the class.
When all the classes are seated, the host stands in front of the stage. She patted the microphone, and after the sound of "poof", a long and sharp noise exploded from the speaker, and the senior meeting officially began.
"Students and teachers, the senior high school entrance examination is coming soon. We will hold a general mobilization for all grades again. I hope everyone can concentrate all their energy and stop being distracted by foreign objects!"
A high-spirited female voice came out from the speaker, and Lin Zhaoxi shivered. Unexpectedly, it was Ma Pingping, the class teacher of the third grade (1) class, who opened the scene.
Teacher Ma held the microphone and said impassionedly: "If you are still 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 people will enter key high schools, then go straight to key universities, and then go abroad to study and become the elite of society; while the rest of you may not even be able to pass high school, and can only become the bottom of society!"
"Don't think I'm scaring you, I can tell you this is what I've seen with my own eyes from years of teaching..."
Although Ma Pingping was very excited, these contents were all old rhetoric. Especially since the classmates in their class have experienced the baptism of Lao Lin, these words are not enough.
"Time is so tight. Maybe the students think that time is too late and hard work is useless, but I tell you that it is never too late to struggle. Your hard work today will be reflected in your mid-term exam paper tomorrow!"
Someone took out a book to memorize words, someone secretly played with their mobile phone, Lin Zhaoxi also began to lose his mind, thinking about what she was watching recently.
In fact, after searching for relevant information, she found that matlab does not seem to be the best language for machine learning, and python may be more suitable.
But in this era, python is more unpopular than matlab.
Searching all the libraries on the Internet, only the National Library has a copy of numerical methods engineering with python, and the rest is the Chinese translation of "Python Network Programming Basics" by the Sanwei University Library, and the Anning Library has nothing at all.
But in Lin Zhaoxi's memory, when she was wandering in the university library of Strawberry World, there were a large number of python books on the computer department,
If she can go there and come back, then the relevant progress will be very fast.
She kept having these thoughts.
With this thought in her mind, she subconsciously wrote down a line of formula in her notebook.
e=mc^2
"What’s wrong with you?"
There was a sudden sound in her ear, and she was pushed.
Lin Zhaoxi was pulled back from the daze, and subconsciously covered the formula.
It was Mat Zheng who tweeted her. The toothpick on the boy's face was very clear. The auditorium was still around, and nothing happened.
"ah?"
"The principal asked you to come to the stage to receive the award."
"Please award-winning students, come to the stage to accept the award!" The speaker also repeated it.
Looking around, Pei Zhi and Chen Chengcheng had already stood up, and Lu Zhihao half stood up.
Sunshine came in through the floor-to-ceiling windows, and the principal looked at them with loving eyes from the rostrum, everything was clearly visible.
Nothing has changed.
She should have known.
I was a little dazed all the way, but after taking the stage, Lin Zhaoxi realized that this was an award presentation for the Junior High School Math League held earlier.
Two exams have passed, and now she is about to accept the award suddenly, she is no longer excited and excited.
But the applause in the auditorium was still very warm, including the principal who presented the award, saying that this is the best result the school has achieved in the junior high school mathematics league in recent years.
The principal also highly praised Mrs. Ma, the head teacher of the first class, saying that she contributed a lot as the leader of the mathematics grade.
There was obvious laughter in the audience.
Teacher Ma was very embarrassed.
Lin Zhaoxi didn't look at Ma Pingping again, but looked down at the certificate in her hand.
The windows on both sides of the rostrum were open, and the spring breeze rustled the awards in their hands.
The athletes' march was played again in the auditorium, and the winners were sent off from the stage.
Lin Zhaoxi walked behind Pei Hou, the boy's back was clear and straight.
She suddenly remembered that in Strawberry World, Pei Zhi also won the national first prize and went to the stage to accept the award, and she was one of the audience watching.
But now, she actually felt that it was so common to go on stage to accept the award with him.
It would have been nice if I could have tried harder.
"Next, we want to commend the students who ranked in the top 10 in the grade examination. They are - Pei Zhi, Class 13, Junior Three; Lin Zhaoxi, Class 13, Junior Three..."
Before he reached his position, Lin Zhaoxi heard his name again.
And as the list continued, starting from Pei Zhi, the team of four of them stopped again. Lin Zhaoxi almost bumped into it, and timely laughter burst out in the auditorium.
"It seems that the four students don't need to go back anymore." The host said so.
Just like when they came, the four of them returned the same way and stood in a row with the other six students to receive the praise.
Lin Zhaoxi received another certificate, the principal patted her on the shoulder lovingly, and said to her and Pei Zhi: "You two..."
This sentence was a bit meaningful, and there was another burst of laughter in the audience, and some people even jokingly shouted: "Together!"
Pei Zhi's face remained unchanged, and Lin Zhaoxi bowed together with him.
"Hey, both of you are excellent students!" The principal added, and turned to look at the audience, "This monthly exam, the first and second grades are in class 13, I hope the students in other classes will work hard! "
"They did it on purpose!"
"Obviously you can go to Zhongming's class!"
The students just started booing again, Lin Zhaoxi thought that she and Pei Zhi didn't have much sense of presence in the school, but who would have expected to be booed one after another while standing on the stage.
The host took the microphone and quickly controlled the field, "Next, we will invite Pei Zhi, who is the first in grade and won the first prize in the math league, to speak and introduce his learning experience to the students. Welcome!"
With warm applause, Lin Zhaoxi stepped off the stage together with eight other students.
When he turned around, Pei Zhi happened to take the microphone, turned to everyone, and said, "I hope to study hard with everyone."
After saying this, Pei Zhi handed the microphone back to the host and followed them off stage.
The audience was silent.