Chapter 295 Am I the godfather?
Chang Haonan has been really struggling for a while about what program to run on China's first supercomputer operated by a university.
What he is best at is of course programming to calculate numerical solutions to partial differential equations, which is also the essence of all numerical analysis and computational simulation processes.
But on the one hand, this kind of procedure is generally complicated. On the other hand, it is impossible for all those attending the ceremony to be industry insiders, and outsiders will definitely not be able to understand it. They may not think that this kind of process will end up outputting a bunch of dry parameters. How powerful the thing is.
So he finally decided to change his mind.
The most simple way is to run a helloworld to solve the problem.
This is the first demonstration program in the book "C Programming Language", which is extremely classic and can be called the programming bible.
Affected by this, almost all programming teaching around the world will use the output helloworld as a starting point for students to get started.
Any programmer may not use C language or may look down on C language, but he has basically written a program with similar functions.
However, in 1997, computers had not yet become a required course for college students across the country, so basically only experts knew the ins and outs of it.
Even if this program is written in assembly language, it only takes about twenty lines, and high-level languages such as Java and Python (Note 1) can be completed in one line.
Simple and powerful.
Experts will only smile knowingly when they know you are joking, and will not dislike the simplicity of this procedure. However, although laymen do not understand, but just from the perspective of watching the fun, they will also feel that this is very suitable for China. Development themes heading towards the world today.
Perfect.
Chang Haonan, who finalized the plan, quickly wrote a simple unveiling ceremony process based on his previous life experience and handed it to Tang Lintian——
Although Du Yishan has always been in charge of this matter with Chang Haonan, if it really comes down to the administrative work of providing money and people, it would still have to be handled by Dean Tang.
As for the details after the general framework is in place, Chang Haonan does not need to worry about it.
Although it is not yet possible for the school to assign him a secretary in a big way, there will always be someone responsible for these things.
According to the original plan, in the next three days, Chang Haonan only needs to prepare a slightly more formal suit (paid for by the school, of course), and read his speech on the day of the unveiling, so as not to get stuck on the spot. Or read the wrong words in the manuscript.
As for the rest of the time, I mainly worked with Fang Zhen to optimize the design of the stratospheric airship that was developed with Zhejiang University.
Of course, Chang Haonan no longer needs to do this kind of work himself. He only needs to give some pointers on the key points of the algorithm.
Although it has only been a short year since rebirth, many people's abilities and destiny have been changed by Chang Haonan.
Just like Fang Zhen, at this time last year he couldn’t even figure out the dipole grid analysis of a beam-type wing, but this year, although it seems that he is falling behind Chang Haonan and Yao Mengna Although he is far away, he has actually become one of the top experts in aerodynamic analysis and optimization.
Otherwise, Zhejiang University would not have crossed half of China to find him as an airship.
This feeling, for a person like him who has experienced two lives, is simply not very pleasant.
Five o'clock that night.
"Brother, please be busy first, I'm going home."
Chang Haonan looked at the wall clock on the wall, confirmed that it was time to get off work, and closed the lid of his laptop at the speed of light , got up and put on clothes and prepared to run away.
Taking advantage of these few days of free time, he had to experience what it was like to work a nine-to-five job that he had never experienced in his entire life.
“Okay…”
Fang Zhen just raised his head and said a word. Before he could say a few words, he heard a knock on the office door.
Then a timid voice sounded outside.
"Hello, is Teacher Chang Haonan here?"
This sentence made Fang Zhen, Chang Haonan and Xia Tian in the office stunned.
Then they all looked at the door.
Three people, two men and one woman, were standing there.
Looking at the same age as Chang Haonan and Xia Tian, he is much younger than Fang Zhen.
They should all be students.
"I am Chang Haonan, but I am not a teacher yet."
Although he was a little curious about the purpose of the visitor, he still put his clothes on the back of the seat again.
In any case, getting off work on time is basically hopeless.
"You are looking for me..."
Perhaps it was Chang Haonan's answer and his too young appearance that made the three visitors a little at a loss. After about ten seconds, , the girl who knocked on the door at the beginning spoke again and explained:
"Ah... we are students from the Department of Computer Science and Technology of Yenching University. We are here to ask you about the differential evolution algorithm. (DE) universal application problem in constrained optimization problems. This is the student ID card of the three of us, and this is the situation statement written by teacher Yang Fuqing for us, stamped with the college seal..." The three of them spoke at once. I took out a lot of documents and information.
He even caught a glimpse of two Panda cigarettes, which were very popular in this era, in the bag of one of them.
It is estimated that it was originally intended to be given to "Professor Chang Haonan" as a gift, but his real age is obviously slightly different from the expectations of the other three...
Chang Haonan is not too sure. He didn't care about this, but when the other party really wanted to take it out, he didn't quite know how to deal with it, so he pretended not to see it and directly took the other party's ID and the letter explaining the situation.
"Yanda's..."
I have to admit that Jinghang University is not at the same level as Yanda.
The former is of course very important in the aviation industry system, but no matter which country it is in, industry and academia are two separate circles, and the former is generally at the lower end of the contempt chain.
So Chang Haonan was a little happy to meet three Yan university students who made a special trip to ask for advice.
Because he suddenly had a bold idea.
Since the fate of many people and projects has been changed because of him.
What about school?
Now there is only one year left until May 1998...
Who said that the C9 Alliance cannot become the C10 Alliance?
......
The girl who has been talking among the three is called Lin Zhi, and the other two boys are tall and short, a bit taciturn. The tall one is called Song Tingyu, who is a little shorter and fatter, and Wu Yifan looks a bit like Jian Feiang.
They came here because they wanted to participate in this year’s International Competition on Evolutionary Algorithms (ICEO) in Indianapolis.
Yang Fuqing, who wrote this note, should be an academician with qualifications close to Du Yishan, but neither she nor the three students specifically mentioned this, probably because they were afraid of being misunderstood as using the name of an academician to pressure others.
"This competition...if it were abroad, I would definitely not be able to participate..."
Although the letter did not say it clearly, the meaning can still be understood from between the lines. It seems that Yang Fuqing wants to directly ask Chang Haonan to be their instructor.
Normally speaking, this kind of job of leading a team to compete abroad is definitely a good job. Not only can you go abroad for free at public expense, but if the students you lead get good grades, it will also be a huge bonus for the teacher. .
But Chang Haonan's situation is special after all. Whether it is from the perspective of confidentiality or safety, the organization will not let someone like him go abroad casually, and he himself is not worried about the situation on the other side of the ocean.
"Is this...Teacher Yang said before you came here that if you have something to do and can't leave, you can just use the name of the instructor."
Judging from Lin Zhi's reaction, Chang Haonan was 80% sure that this was She thought of it on the spur of the moment, but in most cases, this type of competition does only require the presence of the instructor, but not all of them are required to be present.
"Well, let's talk about your specific problems."
Chang Haonan has completely given up on the idea of going home from get off work.
“That’s right, last May, that is, before you published that paper, DE had already achieved good results in the first ICEO held in Nagoya. There were five test functions at that time. , respectively, the spherical model f(x)=∑(i=1.n)(xi-1)^2, xi∈[-5, 5], the classic Griwank function (Note 2)..."
When talking about professional topics, the short Suga Feian changed his slightly dull look before and stepped forward to fluently introduce to Chang Haonan the situation of the first competition last year and the expected results of the second competition this year. Involved directions, etc.
In the three bags of information they brought, there was a box of floppy disks containing the complete algorithms submitted by all the contestants last year.
"Well..."
Chang Haonan inserted a floppy disk into the floppy drive.
While reading the tape, he casually asked the question that he had just been curious about:
"Why do you think of coming to me? And the proposer of the DE algorithm should be at Berkeley. Are you so confident in defeating their local students?"
The three men and one woman looked at each other. , some weird smiles appeared on their faces.
"Chang..."
"Just call me Chang Gong or Dr. Chang."
"Dr. Chang, although Professor Stern and Professor Price do He is the father of the DE algorithm, but after all, they are only going to use it to determine the coefficients of Chebyshev polynomials. It is you and Researcher Xu who really popularized this algorithm, so now in the industry, especially we are preparing to participate in the second ICEO In our circles, you are generally called the godfather and godmother of the DE algorithm..."
This answer almost made Chang Haonan stunned.
Hey guys, have I become a godfather?
1: These languages are called high-level languages just by convention, and it does not mean that they are more powerful than assembly language and machine language.
As the saying goes:
After learning real variable functions ten times, functional analysis becomes a chill.
The random process passes randomly, and assembly language cannot compile it.
It can be seen that assembly language is still difficult to learn
2: Original test question:
(End of this chapter)