Tech Hammer

Chapter 98 A cup of magical coffee (large chapter before release)

Ning Wei's guess was correct. Lao Ning and his mother really had different opinions, and he and Lao Ning had the same ideas.

But just after confirming this problem, before he could continue to express his joy of becoming the mainstay of the family, Lao Ning suddenly got angry again.

"By the way, Ning Wei, what's going on between you and that Xiao Yang?"

Old Ning looked at Ning Wei with bright eyes.

"We thought about it, but we still felt it was inappropriate. Because I have to do some research projects now. After all, if you want to publish papers in top foreign journals, you need to do scientific research and spend every day in the laboratory. The two of us can't do it at all. We didn't have time to be together. So we broke up." Ning Wei replied immediately.

At least half of this statement is true.

"Oh?" Lao Ning thought for a while and asked, "Isn't it because of the girl who interviewed you last time?"

Mentioning Concubine Gong, Ning Wei instantly thought of this woman's aggressive chatting style that left people speechless, so Ning Wei exploded with overwhelming momentum and justice: "What are you thinking? Do you really think the school rewards you?" So easy to get? Do you know how many references, how much information you need to read, how many experiments you need to do in the laboratory, and how much data you need to check before publishing a paper?"

"Besides that, we have to discuss with the teacher and write so that there are no flaws so that we can accept the difficulties from foreign reviewers and deal with the flaws they find in the paper! Do you know this? No, you don't know, you just I wonder if my son only cares about money! How can you be such a father? "

As soon as Ning Wei finished speaking, the old mother who loved her son the most also exploded.

"Listen, listen, let me tell you, what are you thinking about all day long, you old man? You want your son to earn face for you, and you want your son to coax that little girl well? I didn't do that before. I see you are capable of this! People get smarter as they get older, so why do you get more confused as you get older? You can give me less wine from now on, and pour it all down the top!"

Lao Ning was speechless and shy under the attack of mother and son, and his face began to become less happy...

This kind of expression was something I had seen a lot since I was a child. It was a prelude to anger and irrationality, so he drank the rest of the porridge in one decisive gulp, rushed into his room, and picked up the bag with his laptop on his back. , start changing shoes.

"Mom, I'm going to the city library to look for some information. I won't be home for lunch at noon. Don't wait for me." He rushed out without waiting for a response.

"Hey, be safe out there!"

"knew!"

After her son left, only the old couple were left at home, and then Ning's mother exploded.

"You bad old man, what's wrong with you? Are you happy to kick your son out? Your son isn't at home to eat, and you don't have anything to eat at noon! Let me tell you, if you make trouble again and interfere in your child's private affairs , just go there alone! What the hell!"

The manic old Ning looked at the bank card left by Ning Wei on the table and fell silent.

How can I put it, the child is older and more capable than him, and he can't hold it back anymore!

The main urban area of ​​Yancheng is not large.

Although the factory area where the Ning family is located already belongs to the urban-rural fringe area, it only takes more than ten minutes to get to the busiest city center by bus, and there are many buses, leaving every few minutes.

The city library that Ningwei wants to go to is located in the Cultural Square in the city center and can be reached directly by bus.

At ten o'clock in the morning, Ning Wei arrived at the Cultural Square.

To his surprise, this early in the morning and on a winter day, the square was extremely lively, especially the southern part, which was crowded with people.

Fortunately, there were not many people in the free and open library.

Ning Wei also just needs a place where he can work quietly.

"Why are there so many people today?"

"You don't know yet? The large shopping mall in South Plaza officially opened today. It is said that Ji Ziheng was invited to support it. Those are probably Ji Ziheng's fans, right?"

"Ji Ziheng is coming today? What else should we read? Hurry up and read!"

Ning Wei sat down and as soon as he turned on the computer, he heard the whispers of two girls at the next table.

I couldn't help but wonder, no wonder there were so many people in the square early this morning...

It turns out that a big star is coming, but he seems to have never heard of the name Ji Ziheng.

I checked it on my computer and found out, oh, it turned out to be a young guy who had recently debuted in a boy band. He was very popular. Ning Wei didn’t know if he was considered top-notch or not. After all, he wasn’t familiar with the identification methods of the fan circle. , but with more than 50 million Weibo fans, it should be about the same, right?

Well, whether someone is a top class person or not has nothing to do with him. There are specialties in the art industry, which he doesn't understand.

Satisfied his bored curiosity, Ning Wei opened all the recent laboratory reports of the turbulence algorithm and planned to spend a day studying these data to find out why the recognition error rate could not be further reduced.

Search, and then find all the incorrectly identified data samples. The next step is data comparison and analysis.

This is the most troublesome.

There is no explanation, just an accumulation of numbers, numerous and complex.

The time when the error occurred, a brief description of the data flow, the basis for the algorithm system's judgment, the customized feature code...

These pure data really seemed to form the turbulent flow of a complex system, sucking in all Ning Wei's energy and constructing a huge and complex space body in his brain. Countless data flowed in the space body until a feeling of hunger overwhelmed him. He awakens from this state of concentration.

He vaguely felt that he seemed to have figured out some of the problems, but he was hungry, or unbearably hungry...

Well, I packed up my computer, put on my bag, and walked out of the library. There were a lot fewer people in the square, but there were still hundreds of young men and women gathered at the entrance of the shopping mall. They seemed to be in a pretty high mood.

These still have nothing to do with Ning Wei.

He only knew that the nearest place to eat was a Western restaurant next door to the South Plaza. Thinking of the fragrant steak, his mouth began to salivate crazily involuntarily.

In the past, he only thought it was too expensive and couldn't afford it, but now he seems to have initially achieved the freedom of steak...

In the restaurant, Ning Wei found a single seat.

"First, six rib-eye steaks, all medium rare."

"Ah? Liufen? Sir, do you have any friends?"

Xu Xinrui glanced at Ning Wei in surprise. She had been a waitress in this restaurant for a year, and it was the first time she met a customer who ordered six steaks and asked for them to be medium rare.

"I can finish it by myself!" Ning Wei was very confident based on the level of hunger in his stomach.

"The nine-minute rare meat may be a bit old, otherwise..." Xu Xinrui warned.

"It's okay, I just like medium rare!"

"Okay, so what drink do you want?"

"Well, coffee bar, can you add milk to the American coffee here?"

"Yes, yes, there are free original milk bottles and sugar cubes. You can add them according to your own taste."

"Then let's have an Americano."

"Okay, please wait a moment."

Soon, six pieces of steak were consumed, finally comforting the hungry stomach.

Ning Wei picked up the bottle and began to pour a carton of milk into the cup. The milky white milk was mixed into the black American coffee, forming an abstract picture on the surface.

Ning Wei picked up the spoon and prepared to stir the coffee, but at this moment, when he saw the abstract picture in the coffee cup, his brain seemed to be hit hard by something. The data he had studied all morning began to overlap with this picture. A complex space is then constructed within the brain.

In the center of the space is a coffee cup, and inside it, turbulence surges...

Ning Weidun was there, but his brain was running wildly.

But to outsiders, this young man looked very strange at this time.

His left hand is supporting the table, and his right hand is holding a silver metal spoon, which is hanging over the coffee cup but not putting it down. His eyes are fixed on the cup of coffee. His whole body is as motionless as a wax statue...

It happened that he ordered six steaks in one go, which made the waiters in the cafe glance at him from time to time, especially Xu Xinrui.

"Hey, what happened to the young man who ordered six steaks just now?"

"I don't know! It feels like he suddenly acted like that."

“Is someone filming TikTok again?”

"No, there are only a few of them now, how can anyone shoot Douyin?"

"This man is really weird..."

"yes!"

On the second floor of the high-rise building opposite the cafe, two young girls were waiting excitedly at the window facing the side door of the cafe, holding their mobile phones.

"Xiaolu, are you sure Ji Ziheng will pass by here later?"

"One hundred percent sure, absolutely sure! My brother and the others have planned the route. After several shareholders have finished eating with Zi Heng, they will avoid the fans through this path and leave, and go directly to the hotel here. This is definitely a photo shoot. to their best position."

"Then why haven't you come yet?"

"Who knows! Just wait, after the filming is over, we can go to the hotel door to get autographs, and you will have to thank me then!"

"Don't worry! The autograph is really coming. I'll treat you to KFC for a month and make you fat!"

"Shh, keep it down, don't make trouble, it will be bad if you are discovered!"

"Um!"

In the coffee shop, Ning Wei finally moved.

At this moment, countless thoughts were converted into mathematical expressions and violently collided in his brain. He took out his mobile phone and stood up subconsciously. He needed to find someone to discuss it and sort out the inspiration pouring out of his mind like a fountain.

He felt that he should record it, but he couldn't suppress the idea of ​​communicating at all...

It's like if no one can listen to him at this moment, the whole person will go crazy.

Just with whom to communicate?

It can't be a waiter in a restaurant, right?

Senior Brother Lu? right! Senior Brother Lu!

"Hello, do you need anything..."

"I have something urgent and I need to make a call. I'll talk about it later..."

While talking, Ning Wei had already dialed Lu Dongyi's number and subconsciously walked out of the side door of the coffee shop closest to him.

Xu Xinrui stepped forward subconsciously, glanced at the laptop still on the table, and did not chase after him in the end.

This strange guy’s laptop is still on the table. He shouldn’t be running orders, right?

But he still couldn't help but follow Ning Wei, walked to the door, and took a sneak peek. Well, he was on the phone.

In the capital, Lu Dongyi was discussing academic issues in Tian Yanzhen's office.

The school is on holiday, but the work in the research office has not stopped. I have already booked a ticket to go home for the New Year, but the time is not until next week.

Then the phone rang.

Tian Yanzhen, who was speaking, frowned. He, a good student, seemed to have been calling a lot recently.

"Hey, it's from junior brother." Lu Dongyi glanced at the caller number.

"It's him again? Come or not come, why bother you every day? Turn on the speakerphone, I'll say a few words to him after you guys finish talking!" Tian Yanzhen said with a cold face.

"Oh!" Lu Dongyi answered the phone. When he clicked on the speakerphone, his little finger accidentally touched the call recording on the left side of the two rows of virtual keys.

But it doesn’t matter.

The next moment, Ning Wei's hurried voice came: "Brother, let's first define a Taylor-Hood finite element space, and then assume a continuous piecewise polynomial space of degree k as the velocity approximation space, with continuous piecewise k-1 times Polynomial spaces as pressure approximation spaces…”

The two people were stunned at the same time...

What do you want to do!

"Wait a minute, junior brother, don't worry, how about we make a video and then you write it down?"

"Then on setting a variable index Besov space Bs(·)p, N degree of R... Now we set a point as P0 and make it satisfy..."

"Speak slowly, let's ask some questions first..."

"In this case, p(·): RN → (0 to infinity) constitutes a set, for any p ∈ P0(RN)..."

"Forget it, just say it, I'll listen..."

What would it be like to be completely immersed in your own world?

Ning Wei's performance at this time is the standard answer.

Before discussing with the other party, he had to sort out the things that popped up in his mind and convert them into mathematical language to describe them. This took up almost all of his brain's computing power, so he naturally blocked it. Dropped the other question.

After all, the other party must first understand his thoughts before everyone can enter a state of discussion.

The two people on the other side of the phone probably understood this feeling, so they didn't say anything more. Instead, they quickly took out a pen and paper and began to record the seemingly disorganized things that Ning Wei quickly reported.

Opposite the coffee shop, two little girls were lying in front of the window, looking unsatisfied at Ning Wei, who was standing on the path outside the side door of the coffee shop, holding a mobile phone with his head lowered and chatting non-stop.

Ning Wei's voice was not too soft, and many words drifted into their ears along the wind.

Measurable functions, quasi-differential operators, maximum operators, local continuity, overall disorder, infinity, smoothness, non-negative functions, incompressibility, velocity flow, projection operators, set mixture spaces, ring-increasing distributions...

What the hell are they?

The two humble fans just hope that this sudden appearance of this guy will not affect their ability to secretly take photos of their handsome idol.

After all, there are usually no people on the path, and suddenly a person blocks it. It would be bad if the idol's security personnel decide to change the route.

Looking at the young guy, could it be that he is actually a fan of Zi Heng and found out about the idol's retreat route, and deliberately pretended to be on the phone, saying some incomprehensible things, and was stuck here wanting to take a photo and ask for an autograph?

How abominable!

At the side entrance of the coffee shop, Xu Xinrui went to see Ning Wei on the phone for the third time.

The call had lasted for almost half an hour. She wanted to ask Ning Wei to settle the bill several times, but she decided to wait every time.

Because her angle was different from that of the two girls across from her, Ning Wei's serious look could be seen from her.

What Xu Xinrui heard was similar to the two girls opposite. She couldn't understand those professional terms and some mathematical symbols.

But she could see the young man's focused look. Although his eyes were fixed on the wall of the cafe, the hand making gestures on the wall was actually very serious about every stroke. .

What's the saying? Serious people are the most handsome.

He was so handsome that Xu Xinrui felt that disturbing him at this time would be a crime.

"Hey... Xiaolu, don't be in a daze. Ziheng's bodyguards are coming out. Ziheng is coming out. Hurry, your phone is ready..."

"Wow, it's really out, ready..."

The two mobile phones were pointed in the direction behind the building in front of them. The two little girls waited with bated breath. Sure enough, after not waiting long, their idol finally came out. Great!

"...In this environment, if we want to solve the overall adaptability of the NS equation, we can introduce the homogeneous Fourier-Besov space. Let φ be the smooth function defined above, and we can define the following function sequence {φj}j∈Z, φj (ξ)=φ(2∈j ξ), j ∈ Z…”

Ning Wei, who was immersed in the world of mathematics, didn't notice the person approaching at all.

This alley is said to be a small road, but the distance between the buildings on both sides is about three meters. He stood about half a meter away from the coffee shop, his head lowered, holding a mobile phone in one hand, and gesturing quickly on the wall with the other. The speaking speed is getting faster and faster...

Until a strong force came from behind, and he was caught off guard. Ning Wei hit the wall directly. He subconsciously supported the wall with both hands to prevent himself from falling. Then, the mobile phone he was holding hit the cement wall hard, making a "bang" sound. ..." and then fell to the ground...

At this moment, the brain is short-circuited...

Xu Xinrui happened to see this scene and was stunned.

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