Through a series of experiences after coming to the Jiuzhou Cultivation Realm, Lu Yang discovered that the mathematical research of cultivation civilization is very different from that of the earth.

The Jiuzhou Cultivation World emphasizes masters and disciples and sect inheritance, and the total number of cultivators is not large, resulting in very few cultivators who are actually doing mathematical research.

Take Zhongzhou as an example. There may be only a few people under Elder Luoshen’s lineage who have a deeper research on mathematics and physics.

Although the long lifespan of cultivators makes these cultivators more successful in capacities than the earth, long-term work behind closed doors and lack of academic exchanges have also made the development of mathematical and physics in the world of cultivators extremely unbalanced.

Even if the mathematicians of cultivation have achieved any major achievements, they will only be used as secret techniques of the sect, and some theoretical breakthroughs will even be lost again during the inheritance process.

This is very similar to the scientific research method in ancient China.

Li Qingyang's Golden Knife Sect lineage is definitely one of the top research groups in the mathematics community in Zhongzhou, but they have almost no communication with mathematicians of the Wuliang Sword School.

The last academic exchange between the two sides was 800 years ago when Ma Tianyi's senior brother Dongfang Jiu became the head of the sect, which itself illustrates the problem.

In this context, Dongfang Jiu, the former head of the Wuliang Sword Sect, was able to climb to the 49th floor of Tongtian Pagoda, and obviously independently studied a certain level of calculus knowledge.

This situation was much beyond Lu Yang's expectations.

Before the industrialization of modern scientific research, all scientific research results emerged basically to solve certain practical problems, and scientific research in the cultivation world of Jiuzhou is no exception.

The development of mathematical theory in the cultivation world is slow, but the achievements in economics and management have been made quite a lot, largely because of pure mathematical research and there is no practical application scenario in the cultivation civilization.

The reason why the earth civilization was able to invent calculus was to solve the imminent practical problems at that time, the most important of which was the astronomy issue.

To give the most typical example: the displacement-time function of an object is known, find its velocity and acceleration at any moment; or conversely, the acceleration function of an object is known, find its velocity and displacement.

When studying the movement of celestial bodies, this kind of problem is that each moving object must have its own acceleration and velocity at each moment of its movement, but most of them change at all times. When calculating the average velocity, we generally divide the distance by time, but because the acceleration will change at different moments, there will be different accelerations, and at each moment, the displacement and time are zero, which cannot be solved by traditional means.

Therefore, in order to accurately calculate the orbits of a specific celestial body, astronomers must first point out the scientific and technological tree of calculus knowledge. After all, there are almost no regular circles in real celestial body movements, and almost all ellipticals.

Don’t think that accurately calculating the operating rules of celestial bodies is a dragon-slaying technique. It is even more important in navigation technology than shipbuilding technology.

Before the invention of clocks, navigators in the Age of Discovery wanted to locate and timing mainly based on the relative position of celestial bodies. More accurate celestial motion trajectories mean more advanced maritime navigation technology, which means huge wealth in the New World and the Far East.

The Greenwich Observatory in the UK is not an exaggeration to say that it is the most powerful academic research institution in the world in the Age of Discovery. The relative position map of the celestial bodies it produced is the original GPS that had to be handed out by ocean captains all over the world in ancient times.

Before the invention of calculus, ocean-going fleets, including Zheng He, had to navigate with the coastline as markers. Even with needle diagram assistance, they needed to dock and recalibrate their positions every few days. This navigation technology was undoubtedly extremely inefficient.

But then again, although the concepts of calculus and limits were very important to ancient navigators on Earth, it had no practical significance in cultivating civilization.

Not only is this group of cultivators extremely poor in time sensitivity, but also has a higher perspective when driving the escape light and is not as difficult to find reference objects as sailing, so they do not have a strong demand for timing positioning. I don’t know what purpose this Oriental leader wanted to engage in research in this area.

The late senior brother Ma Tianyi seems to have many secrets!

After popularizing the magical version of the history of Luo Bida's Law, Li Qingyang and Lu Yang successfully solved their own problems and stepped onto the 42nd floor of the Tongtian Pagoda together.

As expected, the 42nd level is also a calculus problem, but this question already involves a few words such as the Lagrangian median theorem, which cannot be explained clearly and requires a lot of pre-knowledge.

Just when Lu Yang wanted to ask Li Qingyang whether he needed to continue to teach him to answer the questions himself, Li Qingyang took the initiative to bow and said, "Thanks to President Lu for his kind help, Li will no longer continue to answer the questions. After all, not every problem can be explained clearly in a few sentences like the previous Luo Bida Rule. This time, Li was able to stand on the shoulders of the seniors of the Golden Knife Sect to take a step further. This is a rare achievement for me. In the next few years, I will try to understand the mystery of the Luo Bida Rule, and try to learn, understand and make it solid as soon as possible. President Lu, you will continue to pull out the seedlings and encourage growth!"

Before Lu Yang could say anything, Li Qingyang turned to Ta Ling and said, "I'll give up answering the questions!"

After saying that, he took the initiative to walk to a pile of spirit stones and took away the treasure smoothly without being hindered by the air wall.

Seeing Li Qingyang's very pragmatic attitude, Lu Yang nodded: "Fellow Daoist Li can take it and let it go, it is indeed a real researcher's attitude. Perhaps I can suggest to me, Elder Pailu, to introduce you to several other mathematical researchers of the Wuliang Sword Sect to communicate and learn more."

Li Qingyang also said happily: "Then I'm not polite! I really thank President Lu for his kind help. If you can use our Golden Sword Sect in the future, you can just speak. This time, Tongtian Pagoda is indeed worth this trip. With so many spirit stones, I will gather the fifth golden wheel of merit and it will be just around the corner!"

"Well, if you want to get merit, go to Wangyou Town. Master Xu is already familiar with you! If you encounter trouble, just report my name."

After Li Qingyang packed up the spirit stone, he stood up and said goodbye to Lu Yang and left the Tongtian Pagoda alone. But Lu Yang and the other two had far more goals than that, and they still needed to continue climbing upwards.

As the floor grew higher and higher, Lu Yang gradually discovered something very strange.

It’s not just that the difficulty of the tower spirit problem has made him unable to understand it. More importantly, many problems do not seem to be solved by humans alone.

For example, on the fifty floor, he encountered a computer algorithm problem similar to the "Eight Queens Problem".

If he was asked to write a program, he might be able to solve this kind of algorithm problem, but if he didn't have a computer at hand, even if he was reincarnated by Gauss and possessed by Euler, he would definitely not be able to calculate the correct answer.

As for the problem of the fifty-level upwards, Lu Yang couldn't even understand the question. It was from here that Lu Yang gave up his idea of ​​solving problems and directly performed "persistence and hard work in mathematics and science" with the help of Chenxi.

Lu Yang is sure that with the current technological level of the cultivation world, there is absolutely no possibility of breaking through the fiftieth level.
Chapter completed!