Wang Xiaodong finished the last step and packaged the data. He looked at Lu Zhou and said, "The main deceleration stage is done. The coordinates of the moon and the moon, as well as the direction of the Chang 'e 3, are out. Should I send it to your email?"
Lu Zhou did not even look up as he said, "Just send it to my QQ."
Wang Xiaodong: "Okay, next step?"
"… The satellite trajectory diagram and the satellite landing trajectory geometry. The data parameters are here. I'll leave the drawing to you." Lu Zhou threw the A4 paper that was almost full on Wang Xiaodong's table and began the next step of the calculations.
Wang Xiaodong looked at the data on the paper and switched the Matlab software to the SAS software. He said with a blank expression, "Okay."
The two cooperated with each other and fought in their respective areas of expertise.
It was noon. Lin Yuxiang quietly walked into the computer room and placed two bowls of braised chicken and rice on the table along with two bottles of coffee.
"Genius students, it's time to eat."
Wang Xiaodong quickly got up and took his portion. He forced a smile and said, "Thank you."
Lin Yuxiang naturally responded with a smile. She then walked next to Lu Zhou and handed him a plastic bag. "Hey, this is yours."
Lu Zhou did not even look up as he said, "Put it on the side for me. I'll finish this step."
"Okay!"
At nine o 'clock, Lin Yuxiang yawned and went back to her dorm. At around ten o 'clock, Wang Xiaodong also went back. As the main force tomorrow, he had to get enough sleep.
At this point, other than Lu Zhou, there were only a few people left in the computer room.
This included the number two genius student from class one, Luo Rundong, and Liu Rui's team.
Liu Rui was obviously there, as well as the third-year genius student from the statistics department next to him.
Their team configuration was a bit special. The person responsible for programming was the team leader, and he was also responsible for modeling. However, it did not involve calculations. His main job was to assign tasks to Liu Rui, who was the main modeler.
The statistics genius, who was coding, suddenly asked, "Is that guy from your dorm?"
Liu Rui was stunned for a moment before he nodded. "Yes."
Brainiac said casually, "That guy is awesome. I took a look when I went to the toilet, and they chose question A. There should be fewer competitors than us. "
Liu Rui asked curiously, "Then why didn't we choose question A?"
After calculating for so long, he had almost pulled out all the hair on his head. He did not feel that Question B was easy at all.
Brainiac said bluntly, "Because I'm bringing you along this year. Do you think I want to choose question B?"
Liu Rui: "…"
The other friend who hadn't said anything from the beginning to the end: "…"
At three o 'clock in the morning, there were only five people left in the engine room.
At four in the morning, Lu Zhou was the only one still sitting in front of his computer.
When the sky outside the window lit up, Lu Zhou finally wrote down the last line of calculations.
The door to the computer room was pushed open, and Wang Xiaodong walked in.
"Done?"
"Done …" Lu Zhou sighed in relief. He said, "The basic modeling is done. The rest is programming, drawing, and sensitivity analysis by observing the simulation results. When you're done, I'll start writing the second half of the thesis. "
Wang Xiaodong nodded and said, "Leave it to me. Go rest."
"Mhmm."
Lu Zhou pinched his eyebrows and shook his head. He stood up and walked out of the computer room.
Compared to the few times he stayed up all night during the summer, this was nothing.
Lu Zhou could not remember exactly how he got back to his dorm. He only remembered that after he opened the door, he did not even take off his clothes and fell asleep on his bed.
When he woke up, it was already dusk.
Lu Zhou sat up from his bed and rubbed his messy hair. He took out his phone from his pocket and looked at the time.
He vaguely remembered that it was six o 'clock in the morning when he arrived at his dorm.
"I slept for twelve hours …"
I have to wait until the competition is over before I can sleep again.
Lu Zhou went to the bathroom to wash up and went straight to the computer room.
When he arrived at the computer room, Wang Xiaodong had just finished writing the last program.
Lin Yuxiang was not there, but she bought food for him. The food was still a bit hot, so it must have been freshly bought.
Lu Zhou opened the plastic bag and was about to open the bag of chopsticks. He noticed that the bag was open and there was a note inside.
He paused for a second before he opened it.
[Do your best ~ O (∩ _ ∩) O]
Lu Zhou: "…"
Lu Zhou crumpled the note into a ball and threw it into the plastic bucket in the corner. He then opened the disposable chopsticks and began to eat.
Lu Zhou quickly finished his dinner and went to the bathroom to wash his face. He then threw the takeout box into the trash can outside the hallway.
When he came back, Wang Xiaodong pushed up his glasses, stood up from his seat, and looked at him.
He looked at Lu Zhou and said, "I've finished the program. I've already sent the code to your QQ. I'll come back at three in the morning. I'll leave the thesis to you."
"Okay, remember to set an alarm, don't forget."
"I know," said Wang Xiaodong as he nodded and left.
Lu Zhou took the baton and sat in front of the computer table. He then stretched his back.
It was seven o 'clock at night and there were 37 hours left until the thesis was submitted.
In these 37 hours, he needed to integrate all the calculations, modeling ideas, programs, and further generalizations of the three problems into a twenty to thirty page thesis.
No matter how exquisite the model was or how ingenious the program was, it would be presented to the judges in the form of a thesis. If the paper couldn't be understood by the judges, and the judges couldn't understand the subtleties of the paper, then there would be no chance of winning the prize.
Therefore, this last step could not be sloppy!
Lu Zhou was in a state of work and he completely forgot about the time. His attention was highly focused on the computer screen. His typing speed was as fast as his smooth and meticulous thinking.
The abstract and keywords at the beginning of the thesis had to be limited to one page. After Lu Zhou finished writing, he made some simple cuts to meet this requirement.
No one knew the entire modeling idea better than him, so it was extremely easy for him to do this.
Next was the most cumbersome demonstration process. This was the actual part of the thesis. Although it did not take up a lot of space, it was the part that took the most time to complete.
This was because it involved not only mathematical modeling but also programming.
Lu Zhou knew the former, but he needed to communicate with the person in charge of programming.
Time ticked by, and the sun that had completely set outside the window rose again, slanting to the horizon once more.
When it was completely dark, Lu Zhou finally finished the last line of the problem promotion section.
Lu Zhou stretched his back and stared at the thesis with his eyes that were about to become swollen. He yawned and muttered to himself.
"… Next is the references and appendices. It's finally time to wrap up."
Lu Zhou placed his hands on the keyboard and copied the title of the cited document.
【
Design and Analysis of Lunar Soft Landing Gravity Turn (C), Second Academic Conference of the China Astronautics Association Deep Space Exploration Technology Committee. 2005.
Research on Manned Lunar Landing Terrain Obstacle Detection and Avoidance Scheme. [Space Return and Remote Sensing] cited a total of six Chinese documents and one English document.
The last step was for Lu Zhou to copy Wang Xiaodong's code into the appendices at the end of the document.
Wang Xiaodong stood behind Lu Zhou and pushed his glasses up. He looked at the text on the screen and asked, "Done?"
"Yeah, it's all done. Help me check for typos. If there are no problems, then convert it to pdf format." Lu Zhou stood up from the stool and shook his sleepy head. He said, "I'm going to sleep. I'll leave the md5 code to you."
"Go ahead." Wang Xiaodong paused for a second and said, "Be careful on the road, don't fall."
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