The legend of the king of crossing

Chapter 232 Yang Hui Triangle

Just after Chou in the afternoon, a group of well-dressed warriors riding on tall horses appeared in front of Qianhu Gate in the west of Lin'an. There were about twenty people in this group, all of them were sturdy, mighty and majestic, with a solemn expression on their faces. The war horses under the crotch are also good horses selected one in a thousand miles. Although they are not as good as the ten or so high-grade imperial horses in Ouchi, they are extremely rare in Lin'an City.

When approaching the city gate, the group of warriors loosened their reins and walked slowly. The leader was a burly man, who reined in his horse, looked at the word "Qianhu" on the city gate and said with a smile: "Lin'an is here. "

The speaker was none other than the famous general Lu Wende, the envoy of the Xiangfan system who had returned to Lin'an to attend the military reform meeting.

"Yes, father, it's almost another year," said a young general next to him.

"Well, Xin'er, all the brothers, let's go to the city together,"

"Father, should you go home first?"

Lu Wende shook his head and said: "Xin'er, you take everyone home, I will go to the prime minister's mansion to visit the grand master first, if I haven't come back by dinner time, you can take everyone out to have a good meal, so that you can enjoy Lin'an. Food,"

Lu Dao: "Understood, Father,"

Inside the Imperial Study Room of Funing Palace.

Wen Tianxiang sat down and said: "Your Majesty, tomorrow will be the Chongyang Ninth Ninth Festival. Whether the military reform can be carried out smoothly depends to a large extent on the attitude of the envoys of the four war zones."

Lu Xiufu smiled and said, "Brother Song Rui, don't worry, Your Majesty has already made up his mind."

I nodded and said: "Among the four war zones, Gundam and Li Tingzhi should support the military reform, Lu Wende will stand by Jia Sidao's side, only Xia Gui's attitude is unknown for the time being, even if Xia Gui expressed opposition, the support rate of the military reform There will be [-]%, so I don't think the problem is too big, "

Wen Tianxiang still had a little worry: "If Xia Gui objects, then it will be [-]-[-]. In addition, Jia Sidao's party will strongly oppose it. I am worried that there will be resistance."

I know that Wen Tianxiang's understanding of Xia Gui is not as good as Lu Xiufu's, and he has a steady personality, and he tries to be perfect in his actions, so he smiled and said: "When the time comes, let's see what happens. There must be resistance, even if Xia Gui If you support the military reform, there will still be considerable resistance, by the way, Song Rui, what progress has been made by Gunpowder Division Yun Bofei recently?"

"Returning to Your Majesty, the improved lathe by Shen Yiqiu and the others has been put into use. Using water power as the drive, its efficiency is much higher than that of hand or pedal. Therefore, the production speed of muskets has also been greatly improved, and the throwing bombs have also been used. It can be mass-produced, the mold of the artillery is basically formed, and the cannon can be tested in the next few days. At present, Yun Bofei's main energy is on the development of the firearm, but there is no clue yet, "

Regarding the development of muskets, I followed the order of the invention of guns, and worked out the steps starting from matchlock guns, then to flintlock guns, then to flintlock guns, smoothbore guns, and finally to breech-loading guns.

"Fire a musket, a musket," I muttered a few words, and suddenly remembered a story I knew about the inventor of a musket.

Among the firearms researchers of later generations, some people think that the flint gun was invented by the German watchmaker Johann Kivers. Kivers, who was born in the early sixteenth century, is quite famous in the watch industry. He can not only create various unique shapes He also has a strong interest in various firearms and has made many exquisite matchlock guns by himself. One day, a guest came to Kivers’ home. When the guest smoked and lit the fire, he did not use the popular matches at that time, but It is the ancient way of flint friction ignition. The sparkling sparks of flint instantly aroused the inspiration of Kieves. He combined the sawtooth rotating steel wheel on the clock with the flint that can generate sparks. With his experience and wisdom , In 1515, successfully developed the world's first rotary gun.

Watchmaker, by the way, I am asking Yang Xiaozhi from Lin'an University to study clocks.

Thinking of this, I said: "Song Rui, after the military reform meeting, you ask Yun Bofei to come to Lin'an University. I will introduce someone to Yun Bofei to see if he can help the development of the pistol. "

"Yes, Your Majesty,"

I practiced Shadowless Step and Changquan in the Martial Arts Hall for a while, and then brought Yuan Ji and Xiao Qi to Shifeng Trading Company.

Although there are many things these days, I am still eager to meet Yang Hui, a master of mathematics.

As soon as I entered the door, I saw Xiaosi approaching me with a smile and saying: "Young Master is here, Miss Fang, Mr. Shen and the others are upstairs."

"Well, Xiaosi, you look pretty good recently,"

"Thank you, Mr. Hong Fu. Xiaosi feels very happy here."

"It is a kind of happiness for a person to feel happy, haha, go upstairs,"

Seeing me push the door open, Fang Ling shouted, "Brother, why did you come here? We are all hungry."

"Why, Ling'er is hungry again,"

"What, I've been busy with the Red Cross these days, and I haven't had lunch yet,"

I know that after Lin Ying left, Fang Ling spent most of her time at the Red Cross Society, discussing with Xiao Tian and Pu Shougeng all day long about the establishment of the Red Cross: "Linger, this is not possible, no matter how busy you are, you can do it three times a day." You can't skip a meal,"

Fang Ling felt sweet: "Understood, brother,"

"I've met you, Young Master," Shen Yiqiu and Quanjue saluted together.

I nodded, my eyes fell on a middle-aged man behind the two of them and said: "This is Mr. Yang Huiyang, right?"

"Exactly," Shen Yiqiu introduced, "Mr. Yang, this is Mr. Huyan,"

Yang Hui took two steps forward, looked at me closely for a moment, and said, "Dare to ask my lord, did you write the "A Brief Introduction to Mathematical Calculations"?"

"yes,"

Yang Hui took a step back suddenly, and saluted me solemnly: "Yang has met Mr. Huyan, but he didn't expect him to be so young."

"A Brief Introduction to Arithmetic and Arithmetic" is a compendium of mathematics I wrote from memory, and its coverage far exceeds this era. If Yang Hui in front of me is the discoverer of Yang Hui's triangle, then he naturally understands the value of this book.

I saw that Yang Hui had an ordinary appearance, but his eyebrows were quite arrogant. He must also be a person who possesses talent and pride: "Mr. Yang Hui, is that "Detailed Nine Chapters Algorithm" one of your masterpieces?"

"Young master, it is Yang's work,"

"Okay, it really is you,"

Shen Yiqiu and the others were taken aback when they heard it, the same as Quan Jiu's reaction last night, thinking that I knew Yang Hui, and I didn't explain to them, then said: "Mr. Yang's works will be passed down through the ages." Beside the table, I picked up a hard pen and drew Yang Hui's triangle. I used Arabic numerals, which are currently popular Xie's numerals.

Yang Hui looked at it and said: "My lord, this is what Yang learned from Mr. Jia Xian. Can you name it, my lord?"

"Of course, I think this can be called Jia Xian's triangle, or Yang Hui's triangle. Both Jia Xian and you, Yang Hui, can be famous in future generations,"

"Jia Xian's Triangle, Yang Hui's Triangle," Yang Hui said after reading, "Mr. Xie,"

"Brother, let's chat while eating, even if I'm not hungry, the guests have to eat,"

"Okay, Ling'er is right, tell Xiao Tian to serve the food,"

"Brother, Xiao Tian is still at the Red Cross Society,"

"Oh, I forgot, call me Xiao Si,"

After drinking the first glass of wine, Yang Hui said: "My lord, this Xie's number is a great pioneering work in the mathematics world this year. This method of recording is indeed much more convenient. I never thought that there are such people in the palace. I will pay a visit if I have the opportunity. "

I smiled: "Mr. Yang, in your book "Detailed Explanation of the Nine Chapters Algorithm", you have compiled the table of numbers I just drew, and call it the graph of 'the origin of the method of formulating'. This table also expresses the The law of the quadratic term coefficients of each term after the polynomial opening brackets, "

"Exactly, the young master has seen Yang's nine-chapter algorithm,"

"Having seen a small part, I know a little bit about it,"

Shen Yiqiu on the side said: "My lord, the university is planning to recruit Mr. Yang Hui as a professor of the Department of Mathematics, but none of the people in the university are as good at mathematics as Mr. Yang Hui, so I would like to ask you to give me instructions on this title."

"This is simple, Mr. Yang's talent is enough to be a master,"

"Master," Shen Yiqiu and Quanjue blurted out together, even Yang Hui himself was a little stunned.

I said without hesitation, "That's right."

You must know that there are very few masters of this level. In Lin'an University, only He Ji and Shen Yiqiu were awarded the title of master, and Yun Bofei from the Gunpowder Department. The rest, such as Song Wuxin and Huang Daopo, were only awarded the title of master It is a guru. Although there is only one word difference between a guru and a master, they are completely different realms.

Seeing that I was so determined, Shen Yiqiu said, "Yes, my lord."

Fang Ling took a sip of tea and came to join in the fun: "Brother, look at Linger, what level is my martial arts?"

"This has to be evaluated by Mr. Yuan,"

Yuan Ji said: "It can be called a master."

Fang Ling smiled and said, "Haha, I'm also a guru now."

I said: "Mathematics is a science that studies numbers and shapes. It is the foundation of any science. Physics, chemistry and other natural sciences cannot do without mathematics. Mr. Yang Hui, although your attainments in the field of mathematics can be called It is a master realm, but I hope you can make greater contributions, "

Yang Hui has long put away his arrogance: "Please tell me clearly, my lord,"

"Mathematics covers a wide range. This subject will be collectively referred to as mathematics from now on. It can be roughly divided into algebra, function, trigonometry, geometry, derivative, integration, differentiation, etc. Sir, you focus on computing technology. You have read my Let’s take a brief look at arithmetic, the content above is what should be involved in the field of mathematics. Of course, I am not saying that it is impossible for you to be proficient in all of them alone. leader of the

"Yang understands, but I just ask you to give me more guidance."

I understand what Yang Hui meant, but I only know superficially about these things: "Mr. Yang, I have not done any special research on mathematics. The brief summaries I wrote, including the brief introductions to physics and chemistry, are just Conceptual content, it’s up to you elites in every subject to carry it forward,”

Yang Hui looked at Shen Yiqiu in surprise and asked: "What, the brief introduction to physics and chemistry is also written by Mr. Huyan."

"That's right," Shen Yiqiu said with a smile, "Young master, if it weren't for these brief briefs, Mr. Yang Hui would still not be willing to come to see you."

Yang Hui's face turned red and he said, "Mr. Yang is a frog in a well, sir, please forgive me."

Seeing his embarrassment, I quickly interrupted with a smile: "Mr. Yang, do you have any suggestions for Lin'an University?"

"My lord, Lin'an University opened up the atmosphere of my new learning, which is really a great initiative, but Yang feels that the person who started the university seems too stingy,"

When Shen Yiqiu and the others heard this, they felt uncomfortable.

"Well, what do you mean," I asked curiously, and at the same time signaled Shen Yiqiu and the others to keep calm.

Yang Hui didn't seem to notice any difference in the expressions of Shen Yiqiu and the others, and said, "Master, think about it, I have tens of millions of people, and there are only 20 students in this mathematics department. It's not stingy, it's something."

I laughed out of surprise and said, "Haha, Mr. Yang, this is not stingy. In fact, it is hard to find a professor in the school. It is good that Mr. Yang is here. There must be a solution."

"Young master, Yang has nothing to say about other subjects, but in the Department of Mathematics, Yang can guarantee that there will be no problem in inviting three or five capable mathematics professors,"

I was about to continue, but I saw Xiao Si hurried upstairs to report: "My lord, there are a group of unknown people making trouble in Tongle Building."