The next day, Saturday.
Gu Bai didn't sleep in either. He actually promised Professor Luo Shifei that he would participate in the National Mathematical Modeling Competition. Gu Bai didn't care if it was a 'thank you for your patronage' award. He just wanted to do his best and leave the rest to the heavens.
After having breakfast in the cafeteria, Gu Bai went to Room 201 on the third floor of the mathematics department.
He pushed the door open and entered, but there was no one there.
The room wasn't big, and it was empty. There was no desk. In the middle of the room was a blackboard.
There was a question scribbled on the blackboard with chalk, and there were a few mathematical formulas below it.
The title was probably: Three merchants each bring a follower across the river, and the boat can accommodate two people at a time. The followers had a secret agreement. On any bank of the river, if the number of followers outnumbered the merchant, they would kill and rob the merchant. The plan of crossing the river by boat was decided by the merchant. [Three merchants safely crossed the river without being murdered by their followers?]
em........
Glancing at the question, Gu Bai smiled. This should be the 'merchant crossing the river' problem of Jin Dian in mathematical modeling?
Should he talk about the difficulty?
There was almost no such thing for the current Gu Bai.
As for establishing a mathematical model, it should not be difficult.
Although he had never systematically studied mathematical modeling before, but…Gu Bai, who was at Mathematics Level 4, could easily solve any math problem.
Gu Bai picked up the chalk that was thrown aside and slowly added under the blackboard,"If we use the multiple-decision model and set each crossing as a state transition, we can use a three-digit representation of (m, n, z).”
"The value range of m is: {0, 1, 2, 3};”
"The value range of n: {0, 1, 2, 3};”
"Z is represented by {1: means rowing to the other side of the river; 0 means rowing to the bank of the river; then its state quantity is expressed as (1) when m=0 or 3, n={0,1,2,3}, when m=1 or 2, m=n."
"By analogy, if the value of merchant m and the value of follower n are also substances, the final state obtained after crossing the kth river is S (k 1)=SK (-1)*dk"
Looking at the model that had already appeared, Gu Bai smiled.
As expected, with his mathematics level 4, even if he didn't have a mathematical modeling problem that the system could return with a critical hit, there was nothing that he couldn't solve with just a little effort.
The classic mathematical model of a merchant crossing a river on the blackboard was 80% complete.
As for the next 20%, it was to use computer programming, but this step was no longer something Gu Bai had to worry about.
His computer level was still LV0, and he only knew how to use Word documents. He wasn't even familiar with excel forms, let alone express these mathematical formulas in programming language.
Fortunately, Gu Bai still had two teammates.
"If I remember correctly, one of them is a third-year computer science student, Xue Jia Bao, and the other is a third-year mathematics student, Li Meng Fan.”
"This simple programming logic shouldn't be a problem for Senior Xue, right?”
Gu Bai thought to himself. He wasn't worried about mathematics, but whether the team could use computer programming to write these mathematical models.
After a while, the door was pushed open again.
A bespectacled senior with disheveled hair walked over. He was stunned when he saw Gu Bai, but then he smiled and said,"Are you the new teammate introduced by Professor Luo Shifei?”
"Hello, Gu Bai." Gu Bai greeted with a smile.
"Xue Jia Bao." The man smiled and shook Gu Bai's hand.
However, when he saw the mathematical model written on the blackboard, he was stunned. Then, he sized Gu Bai up and asked,"Did you write this?"
"Oh, I couldn't help but write some just now.”Gu Bai smiled.
"F * ck, awesome."
"Li Mengfan and I studied this question for half a day yesterday, and you solved it in a short while?”
Xue Jia Bao couldn't believe it.
"Is it very difficult?" Gu Bai was a little speechless. He had a rough idea of his teammate's mathematical ability.
amount
This sentence stunned Xue Jia Bao. Was this thing not difficult?
If it was just three merchants with three followers, it would not be difficult. It would be difficult to dig out the final answer bit by bit. However, if it was m merchants with n followers, the problem would be completely different.
"F * ck, you…You're Gu Bai, the freshman, right?" After sizing up Gu Bai a few more times, Xue Jia Bao suddenly slapped his thigh excitedly.
"If there's no duplicate name, it should be.”Gu Bai smiled faintly.
"Brainiac, nice to meet you!”As he spoke, Xue Jia Bao held Gu Bai's hand again and introduced himself again." Junior year computer science major Xue Jia Bao, height 178cm, weight 108 jin, currently no girlfriend, likes LOL, Warcraft, doesn't like sports, oh, and I'm good at programming languages such as javelin, php, c…"
Gu Bai rubbed his nose helplessly as he listened to Xue Jia Bao's self-introduction.
This guy was super straight.
After a while, another senior, Li Mengfan, also came. Fortunately, Li Mengfan was more normal, but his mathematics ability was really average. Perhaps this was the standard of the mathematics students of Linhai University.
However, Gu Bai didn't insist. This was the first time he had met the three members of the National Mathematical Modeling Competition.
Gu Bai did not know if he could achieve any results, but…Do your best.
Fortunately, the competition was in September, which was a few months away. During this time, Gu Bai could also teach Senior Li Mengfan about mathematical modeling problems. As for computer programming, Gu Bai could only place his hopes on Senior Xue Jia Bao.
.........
Time passed day by day, and Gu Bai's days became more regular.
Other than the usual library reading and classes, there were also live broadcasts at night. Now, there was also the usual training of the mathematical modeling team.
em........
Although it was called training, it was actually just Gu Bai speaking on stage, Li Mengfan learning from below, and Xue Jia Bao editing on the computer.
It was May 1st.
Sun City No.1 Middle School welcomed their last mock exam before the college entrance examination.
Unlike the previous Jiangnan Ten Schools Joint Examination, the scale of this mock examination was not large. It was only a joint examination of more than ten high schools in Sun City.
However, it was the last mock exam for the third-year students after all. All the school leaders of Sun City First High School still attached great importance to it.
Moreover... The difficulty of the test paper this time was not too high. It was similar to the college entrance examination, so it basically represented the final result of the college entrance examination.
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