Chapter 1280: R=a (One-Sinθ), the Most Beautiful Equation in the World

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"There are many people who say that mathematics is a boring subject, and that it is lackluster, and some people say that learning mathematics is for people who don't understand romance. Well, here, I want to prove to all the male gods who study mathematics, you guys , I definitely wronged them." Well, well, I didn't expect that Lu Ning's words changed and he actually mentioned this aspect, and this time, it aroused everyone's curiosity.

Even the president of Jiaotong University was a little surprised. He thought that Lu Ning might say how to prove the "Generalized Riemann Conjecture", or talk about the study of mathematics, but he never thought that Lu Ning would use this angle to talk about mathematics, To be honest, the science and engineering men in various colleges and universities are not very popular with girls. After all, they are the representatives of straight men. In trendy terms, they are all boring and showy men.

And the engineering men sitting below were a little excited. Is Lu Ning trying to whitewash them? Well, one by one, carrying the reputation of four-eyed straight men, those girls would rather go to the liberal arts to find those liberal arts men than to find boys in their own disciplines.

"Maybe some people say that I am forcibly whitewashing. Well, I have an example. In this way, I will first announce a number to you, and then I will tell a story." After speaking, Lu Ning held the whiteboard behind him. I wrote a formula: r=a(1-sinθ), which is just a simple formula. Not to mention liberal arts students, even some mathematics students don’t know what this means for a while? For a time, there was a lot of discussion below.

"Everyone, you can try and draw the graph of this equation." Well, the math majors below have already started to solve it. This equation graph is not difficult, but the people who came up with the equation graph exclaimed. Out loud, oh my god, it's incredible, it turned out to be the shape of a heart, oh my god, it turns out that mathematical equations can do this too?

"I said, do you know the equation r=a(1-sinθ)?" The president of Jiaotong University asked a professor from the School of Mathematics who was standing beside him. There was also an incredible look on his face. Lu Ning is really good. Well, I didn't expect that such an operation would actually happen, Tianxiu, did he create it himself?

"r=a(1-sinθ), an uncomplicated equation, but, to be honest, I haven't really dealt with it." The math professor shook his head, as if it was the first time he had learned, um, maybe, Lu Ning is right, mathematics is not only a rigorous subject, but also so romantic. It seems that I only focused on academic research before, and I really forgot the charm of mathematics.

"Everyone, seeing your expressions, I know that you have solved the graph of this equation, this is the famous "heart-shaped line", well, it seems that you are all ignorant, abroad, the boy in the mathematics department , In love letters, you usually express your love shyly, and the formula r=a(1-sinθ) is a good way to express it.”

At this moment, Lu Ning had already drawn the graph of this equation on the whiteboard behind him, which made more people see that the coordinate graph was in the shape of a heart, which made everyone present widen their eyes. It's really romantic, isn't it?

You know, this is not an ordinary flat love, this is a three-dimensional love shape, and it is perfect.

"Okay, everyone, you have already seen the equation graph of r=a(1-sinθ), so, next, it's the part of the story." Lu Ning glanced at the darkness below. At this moment, everyone All eyes were focused on Lu Ning.

"The story took place in a French noble family in 1596. Descartes' father was a member of the parliament and had a relatively high social status. Therefore, the young Descartes had almost no troubles. Of course, if you have to say that the young Descartes If there is any problem, it is that he has been weak since he was a child, and his physique is not very strong."

As the story begins,

Lu Ning's magnetic voice directly brought everyone into his own story. It can be seen that Lu Ning is a good storyteller and can attract everyone to listen.

"When Descartes was in his fifties, the terrible Black Death broke out in the European continent. Descartes was forced to wander to Sweden and became the math teacher of the Swedish princess Christine. At that time, the little princess was only 18 years old. When the king knew their feelings, he was furious and ordered Descartes to be executed. The princess was also placed under house arrest by her own father."

Well, a classic love story, not to mention the rest, it only involves aristocrats and princesses, and love across ages. These are all gimmicks, which have aroused everyone's interest in continuing to listen.

"Well, such a love story can't have a perfect ending like Disney did. After Descartes returned to France, he fell ill and sent letters to the princess every day, but they were ruthlessly intercepted by the king. Down, Christine has not received any news from Descartes." At that time, the Black Death was the end of death.

You know, the Black Death at that time killed one-third of the population of Europa, a turbulent era.

"After the thirteenth letter to Princess Christine, Descartes died of breathlessness. This final farewell letter has no words, only a short formula: r=a(1-sinθ) ." When he said this, Lu Ning sighed.

The audience at the bottom is also a little sad, yes, I thought it was a romantic love story, but I didn't expect it to end in tragedy in the end, but this way, can it become a classic, just like Romeo Like Juliet, tragedy can become a classic.

However, in any case, the formula r=a(1-sinθ) has indeed become an eternal classic. At least, at this moment, this formula has spread from Lu Ning's mouth, and it can even spread throughout the whole world in a short period of time. Huaguo, needless to say, at this moment, this equation and this beautiful and tragic story have been uploaded by math students on the campus network of Jiaotong University.

"I really didn't expect that Lu Ning would tell such a story." The principal also sighed, he was unknowingly brought into it by Lu Ning,

"This way, it better proves the romance of mathematics, doesn't it? Principal?" The professor of the mathematics department also had an expression of admiration on his face. Well, such a teacher may be what all students look forward to. It's a pity, Lu Ning could never become a teacher.

It seems that it is time for me to change the way I teach. Many professors are self-reflection.

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