I just want to be a salted fish quietly Chapter 105

Character name suggestions: Dai Pingbo, Lin Xian, Lei Hongguang, Zhuang Tong, Nie Qingqing

Total 53 people, almost 70% of the students skipped class, isn’t this slapping Old Dai’s face!

No way, the students who skipped class could only consider themselves unlucky.

Dai Pingbo not doing a school-wide announcement was already being benevolent to the extreme.

In fact, Lin Xian could probably guess the thoughts of these students who skipped class.

They probably all inquired about Dai Pingbo, knew he had a good personality, and generally wouldn’t call roll, thinking that occasionally skipping a few classes would be fine.

However, there wasn’t just one or two people who thought this way; everyone thought this way, which led to the current situation.

To be honest, if Lin Xian hadn’t suddenly become interested in mathematics, he probably would have skipped class today too.

After calling roll, Dai Pingbo glanced at Lin Xian, who was sitting in the front row, and his expression softened slightly.

“Class begins now!”

Picking up a piece of chalk, Dai Pingbo began lecturing.

“Mathematical modeling is the most common manifestation of applied mathematics, and it is also the most intuitive embodiment of mathematics in life. If a person is compared to a whole, then mathematical modeling is equivalent to the human skeleton…”

Dai Pingbo’s teaching level was still very high. In just a few minutes, he intuitively introduced the specific content and function of mathematical modeling.

To put it bluntly, mathematical modeling is transforming mathematical knowledge into practical applications in real life.

This not only requires mathematics but also extremely strong logical thinking ability and a vast knowledge reserve.

For example, using mathematical modeling to create a folding chair involves materials science, human mechanics, engineering, and a series of other knowledge.

In addition, a certain level of computer technology is also required, as mathematical modeling often involves tedious and complex calculations, and using a computer can improve efficiency.

Due to the previous atmosphere, more than a dozen girls in the back row started out performing quite well, each adopting a posture of listening attentively, some even taking notes.

But as they listened, things started to go wrong.

Who am I?

Where am I?

What am I doing?

After these three soul-searching questions, these girls finally gave up and started playing with their phones.

Dai Pingbo ignored them and continued lecturing.

On the other hand, Lin Xian experienced the treatment of a private tutor.

It was obvious that Dai Pingbo was teaching him alone. When he talked about certain knowledge points, he would specifically pause and ask Lin Xian if he understood.

If Lin Xian shook his head, he would repeat it several times.

Having a university professor act as a private tutor, this treatment was simply amazing.

Anyway, Lin Xian felt great.

After the 90-minute lecture, Dai Pingbo took a sip of tea and asked with a smile, “How do you feel?”

Lin Xian nodded and said, “I feel like I’ve pushed open the door to a new world, it’s very interesting.”

“Mathematical modeling, like basic mathematics, the best way to improve is to do more problems. Don’t be afraid of making mistakes, because only by making mistakes can you improve.”

Dai Pingbo smiled kindly and said, “I’ll give you a homework assignment. Take your time with it, and just hand it in during the next mathematical modeling class.”

As he spoke, Dai Pingbo took out a fountain pen, pulled out a blank piece of paper, and quickly wrote down a problem.

Taking the problem, Lin Xian was immediately a little confused when he looked at it.

[Deep Hole Estimation: Suppose you are standing at the mouth of a cave and only have a calculator with a stopwatch function. Out of curiosity, you want to estimate the depth of the cave by throwing a stone and listening for the echo. Given that you see a stone with a mass m= 1kg and accurately measure the echo time to be t= 5s, analyze this problem under the following conditions, provide the corresponding mathematical model, and estimate the depth of the cave.

( 1) Air resistance is ignored;

( 2) Subject to air resistance, … proportionality coefficient = 0.05;

( 3) Subject to air resistance, … proportionality coefficient = 0.0025;

( 4) In the above three cases, if the time required for the echo to return is also considered.]

Seeing his expression, Dai Pingbo patted him on the shoulder and said with a smile, “Go back and think about it slowly. It’s okay even if you can’t solve it.”

Lin Xian nodded and said, “Okay, I’ll go back and try.”

After Dai Pingbo left, Lin Xian suddenly noticed that none of the girls in the classroom had left. At this moment, they were all looking at him with strange eyes.

Their thoughts were similar to Lei Hongguang’s. Shouldn’t a rich, handsome guy like Lin Xian be flirting with girls, racing cars, and going to nightclubs?

At worst, you could play golf or bowling.

Lin Xian’s behavior was too different from their imagination, which inevitably created a strong sense of incongruity.

The style was completely wrong!

Lin Xian ignored them, packed up his books, and returned to the dormitory.

Now that the day student procedures were also done, he could go out anytime.

Stuffing his Alienware laptop into his shoulder bag, and also taking “Mathematical Analysis” and the homework assigned by Dai Pingbo, Lin Xian leisurely drove his Ferrari out of the campus.

…

Returning home, Lin Xian was slightly taken aback after pushing open the door.

The entire house was brand new.

Some art paintings hung on the walls, many small ornaments were placed on the coffee table and counter, and in addition, a rattan swing chair stood on the previously empty balcony.

Zhuang Tong and Nie Qingqing were comfortably lying in the swing chair, holding a laptop, seemingly watching a web series.

Seeing Lin Xian return, Zhuang Tong sat up and smiled, “Honey, you’re back?”

“Not bad, the house is well decorated!” Lin Xian looked around the room, satisfied.

Zhuang Tong’s taste and aesthetic were very good, and the decorations matched the house’s renovation style perfectly.

What pleased him most was the rattan swing chair on the balcony. Lying on it in winter, reading a book, and enjoying the winter afternoon sun was simply too pleasant.

“Do you like it?”

Zhuang Tong had an expression that seemed to say “Praise me!”, which was exceptionally cute.

“I like it! I’ll reward you well tonight!”

“Ahem! Can you pay attention, there are outsiders here!” Nie Qingqing said faintly.

These two lovebirds were becoming more and more brazen, starting right in front of her.

Lin Xian changed into slippers and teased, “You can join too, I don’t mind.”

Nie Qingqing’s looks were not low, scoring 91 points, and her figure also scored 87 points. Although slightly inferior to Zhuang Tong, she was still a definite goddess, and countless simps knelt before her.

Both had their own merits. If she was willing, Lin Xian wouldn’t mind having another lover.

“Hehe, I don’t mind either, this is even better, we can be good best friends for life.” Zhuang Tong said with a giggle.

For a moment, Nie Qingqing’s heart fluttered.

However, thinking that her parents would probably kill her if she became a mistress, she immediately suppressed this crazy thought.