Chapter 178: Come and play when you have time

"The average score doesn't make sense. Yang Dingtian said indifferently, "I pay more attention to GPA rankings. ”

"Then how many are you ranked?" Shen Qi asked.

"Our major, which ranked in the top three in the same period, occasionally fluctuated, and once fell to fourth in a short period of time. Yang Dingtian said lightly, not particularly arrogant: "The average score of the basic courses, core courses, experiments, and professional elective courses is more than 90 points, of course, I also have times when I missed, and the "Methods of Mathematical Physics" only scored 88 points. ”

"Here, touch one. Shen Qi raised his wine glass and clinked glasses with Yang Dingtian, this sophomore man in the academy was qualified to sit at the same wine table and drink with him.

These types of things courses that Yang Dingtian said are also what Shen Qi needs to study.

The basic courses of physics include linear algebra, advanced mathematics, and general matter (mechanical, heat, light, electromagnetism, and atomic physics).

The core courses include Methods of Mathematical Physics, Four Major Mechanics, Solid State Physics, Computational Physics, etc.

Experiments include general physics experiments and modern physics experiments, and Shen Qi needs to get at least 6 experimental credits.

There are dozens of courses to choose from for major elective courses, and Shen Qi needs to get at least 18 elective credits.

Together, the above courses are close to 100 credits, and counting the special seminar class system of the School of Physics, Shen Qi just needs to take 100 credits to obtain a bachelor's degree in physics from Yan University.

If you are a student in the School of Physics, the number of credits for obtaining a degree is more than 128, which is counted as credits for public courses such as Ma Zhe, Sixiu, and College English.

"Tell me about you, Shen Qi, tell your story. Yang Dingtian said.

"I'm ashamed, it's not a line generation, I took one of the mathematics professional exams, analytic geometry. Shen Qi said that he had taken more exams for the professional courses of the Academy of Physics than in this major, and he had just finished two exams.

"You got a bachelor's degree in mathematics in your freshman year, and you must have passed the dissertation defense. It doesn't matter, it doesn't matter if you take the exam or not. ”

"Brother, if you have time to come to the math academy to play, they are all from the Faculty of Science, a family. ”

Shen Qi and Yang Dingtian exchanged glasses, exchanged contact information, and after drinking three bottles of beer per person, they said goodbye.

June is particularly busy, in addition to the completed line generation and optics exams, Shen Qi also has to take the exams of advanced mathematics, mechanics, thermal, electromagnetism, atomic physics and other courses, as well as English level 4.

Writing essays every day can also create a sense of fatigue, and there will always be a day when inspiration runs out.

During the intensive examination period, Shen Qi entered the brushing mode, he found himself, his body and mind were relaxed, and new inspiration jumped.

Sommerfeld once wrote to his student Heisenberg: "Be diligent in your work and practice, for only then will you discover your weaknesses." ”

Yang Zhenning recalled his university life and said: "The teaching atmosphere of Southwest Associated University is very rigorous, the teachers are well prepared, and the students do a lot of exercises. ”

After Shen Qi took the exams in advanced mathematics and mechanics, the results of line generation and optics were released.

The line generation is 100 points, and the optics are also 100 points.

In addition to brushing physics questions, Shen Qi has recently read a lot of professional physics literature.

Numerical comparison of several stabilized finite element algorithms for the N-S equation, the explosiveness of the smooth solution of the compressible ferrofluid equation, the new differential formula of the Hermitt polynomial and its application in quantum optics...... Thanks to the mathematics background of Level 8, these subdivisions of mathematics and physics closely intersected, Shen Qi's self-study progress went smoothly.

There are also doubts and problems, such as the yield behavior of amorphous alloys based on the permeability theory, the one-dimensional atomic chain model to study the transient structure changes of thin films, etc., Shen Qi has encountered some obstacles in understanding, and he needs real data and guidance from experts in this regard.

All in all, the more closely related to mathematics is the branch of physics, mathematics is not only a tool, but also plays a framework role, and Shen Qi is very handy.

A branch that requires the support of a large number of physical experiments, mathematics is only a tool but not the most important core element, such a field, Shen Qi is purely theoretical, it is difficult to master the core technology.

As a student of the Academy of Mathematics, it is impossible for Shen Qi to convince the boss of the Academy of Physics to lend me the high-energy collider of your academy for a few months to collect experimental data.

Photoelectric effect and electro-optic modulation of crystals, measurement of gas refractive index by Michael Erson interferometry, zero resistance of high-temperature superconductors...... Undergraduates have done a few basic experiments in modern physics to the top.

Of course, Shen Qi knows his strengths and weaknesses, he is strong in theory, and weak in high-end experimental ability.

The former relies on talent and hard work, while the latter requires burning money, burning a lot of money, burning for many years.

Physics exams at the undergraduate level are almost always theoretical.

The final exam scores for advanced mathematics and mechanics came out, and Shen Qi scored two more 100 points.

I don't know who came out of the electromagnetism test paper, and Shen Qi obviously felt that someone was making it difficult for the students of Yan University who were studying hard.

The physical connotation of Maxwell's equations can be expressed in a set of differential equations of scalar and vector potentials, the functions ψ depend on x, y, and z, and the three-dimensional wave equation must focus on the changes in all three coordinates.

In free space, each component of the scalar φ and vector A satisfies the same mathematical equation, and the three terms of the Laplace operator are written, and each component of the magnetic field B satisfies the three-dimensional wave equation.

It is the center of the electromagnetic field--- electricity and magnetism, a beautiful building built by Maxwell, and perhaps one of the greatest achievements in physics.

Shen Qi took several final exams in his freshman and sophomore years in a month, and he got full marks in all other courses except electromagnetism.

"A 95 in electromagnetism is annoying, and it lowers my GPA. ”

Shen Qi got a perfect score of 100 points in all six courses, such as line generation, optics, advanced mathematics, mechanics, thermal, and atomic physics, and successfully obtained the corresponding credits.

Only the electromagnetism test only scored 95 points.

For a student like Shen Qi, who is studying for a second degree in physics, the School of Physics has requirements for his GPA ranking.

Compared with the students in the physics department, Shen Qi's GPA ranking cannot enter the bottom 30%, otherwise the School of Physics will not issue a bachelor's degree certificate in physics.

The score of English level 4 can be queried in August, Shen Qi has completed the English level 4 exam, and his freshman year is over.

At the end of June, Shen Qi came to the building of the Institute of Physics, the degree evaluation committee.

"Teacher Yu, in the seven exams that have ended, I have not failed any of them, and the average score is 99.3 points, I want to know how much this score can rank in the physics major? Shen Qi asked the staff in charge of degree management.

"99.3?Shen Qi, are you here to do something?" Teacher Yu operated the computer to immediately query the data, and Shen Qi took seven courses, six with perfect marks, and one with 95 points.

"Teacher Yu, just say it, I can rank first, I am mentally prepared and not afraid of being hit. Shen Qi asked.

It's not that Teacher Yu has never seen genius students, and geniuses at Yan University are not uncommon, but students like Shen Qi can't simply be regarded as geniuses, mediocre talents, and stupid people: "Shen Qi, you have only taken 7 exams for the time being, and I can't convert the ranking with you." If you can still maintain an average score of 99.3 at that time, you will be number one. ”