I just want to be a quiet scholar

Chapter 163 Red Face White Face
To strike while the iron is hot, Shen Qi said, "No need for Director Long, let's move on to the next link."

"Alright." Director Long, the main responding teacher, prepared three questions and listed them as an outline.

In a defense meeting, the most important thing is the question and answer session.

The rules are simple, the teacher asks questions, the students answer, and the two sides have a friendly debate based on the thesis topic.

The answer is correct, the debate is over, take the diploma, and take it to waste.

Wrong answer, kneel down, come back next year, big brother dei.

The setting of the question and answer session is different for each school.

In some schools, the teacher first asks three questions at once, and asks the respondent students to leave the venue for ten, twenty, 10 minutes to prepare, smooth out their thoughts, and then enter the venue to answer.

Director Long's rule is to answer any question.

Ask a question, Shen Qi must answer on the spot, not allowed to leave the venue to seek inspiration outside.

"Shen Qi, please turn to pages 15-16. My first question is, please explain the Fisher-Bermeister function in detail. The explanation in the paper is too simple." Director Long raised the first question .

Fisher and Burmeister are both contemporary mathematicians, active from the 20s to the 90s.

Now the two old men who are already old have returned to their hometowns and retired from the world.

Regardless of whether people are in the arena or not, the names of the two old men will always be passed down in the arena.

The Fisher-Bermeister function was used by Shen Qi as a tool in the thesis, the main purpose of which is to connect the previous and the next and play a cohesive role.

It’s just a transition, the nature of the spare tire, Shen Qi did not elaborate on the definition and demonstration of the Fisher-Bermeister function in the paper, but directly used the conclusion.

The thesis submitted to the responding teacher has been impeccable by Shen Qixiu, at least it seems so.

Shen Qi is confident that it is impossible for the three teachers to overthrow the logic of his argument, and there is no loophole in the overall situation.

If the defense fails, the only reason is detail.

In the question and answer session, the popular point is to find fault.

The teacher raises questions from various subtle details, and examines the academic depth and breadth, judgment and responsiveness, and flexibility of thinking of the responding students.

This critical moment must not be ignored. Teachers often set traps on purpose, and timid people are often scared to death by themselves.

Of course, the details are actually the most difficult thing, the details determine success or failure.

Before entering the arena, Shen Qi didn't know what questions the responding teacher would ask. He made a lot of preparations and thought up various plans.

Please explain the Fisher-Bermeister function in detail?

It's not difficult, it's ready.

Shen Qi thought for a while, and then answered: "This function is first-order semi-smooth. According to this property, the questions on pages 15 to 16 can be rewritten as a non-smooth equation system. Director Long, I need to explain this non-smooth equation in detail. Equation system?"

Director Long waved his hand: "No, just talk about the main idea."

"OK, let me continue." Shen Qi continued, "If the Fisher-Bermeister function is expanded, I will have to write at least 20 more pages in the thesis. This paper is not written for beginners in mathematics, so I can't write a Fisher-Bermeister function in 20 pages."

"The introduction of the Fisher-Bermeister function lists the original concept of semi-smooth analysis. The Clarke generalized Jacobian is locally bounded and upper semi-continuous, so I use Fisher-Bermeister directly here The conclusion of the Meister function, using Df to define that all x belong to the set of Φ, finally solves the problem in the second part of the thesis." Shen Qi explained here, paused for a few seconds, and observed the expression of the responding teacher.

"Okay." Director Long nodded. The reason why he asked this basic question was because he was worried that the respondent would plagiarize, or copy it mechanically without seeking a deep understanding.

Some students really do this in a hurry, find a paper to adapt and hand it in.

Shen Qi had questions and answers, and he answered immediately, and the answers hit the point.

Director Long expressed his relief, and then asked the second and third questions, with increasing difficulty.

Shen Qi answered fluently and held the audience.

"Okay."

"The explanation is reasonable."

Director Long's comments are just like his personality, calm, peaceful, and indifferent to the world.

Shen Qi was a little embarrassed. The kind-hearted old leader of the Department of Mathematics is too easy to talk to, right?

The main responding teacher has finished asking the three questions, so I'm over now?

Did you get your undergraduate diploma from the Department of Mathematics of Yanda University?

"Director Long, let's enter the summary link now?" Shen Qi asked tentatively.

"Don't worry." Director Long smiled kindly, looking left and right: "Mr. Ma, Mr. Xiong, do you have any additional questions?"

"Let me talk first." Teacher Ma has a serious poker face. From the beginning to the present, this is the first sentence he said.

"Shen Qi, please turn to page 4. I don't think your algorithm at the beginning of the article is rigorous." This is Teacher Ma's second sentence, which is murderous.

With a smile on his face, Shen Qi felt much more stable in his heart.It can be seen that Director Long sings red faces, and Teacher Ma sings bad faces.

That's right, this is the style of my Dashu Institute. It's not so easy to pass a defense.

"Teacher Ma please comment." Shen Qi said politely.

"In the subproblem (Pk), Equation 3 should not be the local linearization approximation of the quadratic model of the objective function at point xk. It is wrong, and the logic is wrong!" Teacher Ma seriously pointed out an error in the paper. where he thinks it is wrong.

"What?" Shen Qi hurriedly flipped through the paper, and Teacher Ma made a big move as soon as he made a move, so ruthless!
Where is wrong?

Why is my logic not rigorous?
There's no way this opening page could be wrong, and even that super annoying reviewer agrees with my algorithm at the beginning.

What does the logic error of the opening algorithm mean?
It means that a paper was written in vain, the premise settings are all wrong, and there will be a lot of discussion later.

There was silence at the hearing.

Shen Qi was in a daze.

The three defense teachers looked at Shen Qi in a daze, waiting for Shen Qi's answer.

Time passed by minute by minute.

Shen Qi continued to be in a daze.

"Shen Qi?" Teacher Ma reminded.

"Oh." Shen Qi raised his head and looked straight into Teacher Ma's eyes.

These eyes are neither big nor small, neither happy nor angry, wisdom and aloofness fly together, sincerity and deception dance together.

That's right!

Teacher Ma is lying to me!

Logic trap!

The supplementary question raised by Mr. Ma is itself a paradox, a question with no conclusion.

Don't follow Mr. Ma's way, follow his rhythm, and you will die.

You obviously have a rhythm, old horse, for an ordinary person, I was really scared to kneel by you.

Do the opposite.

After a short period of panic and fear, Shen Qi quickly returned to normal, calmly and confidently returning to his position again.

What is the core of the dissertation defense?
It is debate.

The point of view put forward by the teacher is not necessarily correct, and in this particular occasion, it is not necessarily correct.

Students should quickly see through the teacher's tricks and make the most reasonable arguments.

The dissertation defense that Shen Qi is going through is not only a test of the depth of his professional knowledge reserve, but also a comprehensive examination of his judgment, insight, reaction speed, and a little bit of stubbornness and persistence.

It is not easy to be a college student these days. Comprehensive quality is the key, and the survival rate of comprehensive talents is relatively high.

"Mr. Ma, in the sub-problem (Pk), there is actually no so-called algorithmic logic error, I think so." Shen Qi already has a corresponding plan in his heart, with rice in his heart, and invincible in his mouth: "If it exists, Then this existence itself does not exist.”

　Ask for a monthly ticket, brothers and sisters!I hope to rise to the top five on the monthly ticket list tonight!

　　
　
(End of this chapter)