Zhang Yuan observed the other party's expression, if the other party is the kind of person who "Lao Tzu is very awesome and invincible in the world", then it is okay to echo a few words at will.

Anyway, there is no deep friendship, there is no need to quarrel with the other party.

But if the other person really wants to ask for advice, then it is not bad to exchange a few words with each other.

"There's nothing to mind, just say it!" Ye Kaifu hurriedly said.

Zhang Yuan continued: "...... This whole function should deal with the pressure fluctuation of the glove, right? That is, the SDK interface of that leather glove. ”

"Yes!" Ye Kaifu's heart jumped, he didn't expect this kid to really understand.

"Because the amount of data generated by the whole glove is so large, the algorithm will selectively discard most of the data, probably more than 70% of the data will be discarded."

"Yes."

Ye Kaifu nodded again.

Zhang Yuan continued: "I think that all these redundant data should not be discarded. There are 22 joints in one hand, and there are only 22 points in the hand, and only 22 points of the data are taken, so there will not be much error. But without the rest of the details, there will be a very rough feeling......"

"I had a couple of ideas for what I could do with the seemingly useless data."

"The first is to calculate the variance of the data after it is chunked, and the variance of redundant data will not be very large...... As long as you calculate it like this, you can determine whether it is redundant data, and it is better than throwing it away indiscriminately......"

"The second is that after the data is chunked, we can use a value function to calculate the value of the chunked data...... Assuming that max[i][j] represents here the optimal solution for adding from the ith data to the jth data, the dynamic transfer equation is max [ i ][ j ]= max ( max [ i ][ k ] + max [ k + 1][ j ]+ w ( i , j ))......"

Ye Kaifu heard it at first, and shouted "It makes sense".

The rest of the room was silent from beginning to end, to the point of complete stupor.

Because, in the end, he didn't know what Zhang Yuan was talking about......

This brother, what max [ i ] [ j ] , what the hell are you doing?

But an aura from the strong made him not know how to speak.

As soon as he opened his mouth, he became illiterate.

“…… Finally, I would like to say that although an arm has only 22 joints, it has at least 27 degrees of freedom, because the arms, wrists, and fingers can be rotated. Without these 5 degrees of freedom, it would be like an excavator. You don't seem to have thought that through......"

Ye Kaifu understood this sentence, he also knew this common sense, and he pondered it for a long time at the time, but in the end he had to give up strategically because of the great difficulty.

Once the arm can be rotated, the difficulty of modeling and design will inevitably increase exponentially, and he simply can't do it.

"Then what do you think should be done?"

Zhang Yuan said: "The calculation of rotation can usually be done with quaternions. Among the books in this category, the better one is "Quaternion Physics", which can be understood with a little basis of complex analysis. ”

As he spoke, he felt his train of thought gradually become clearer.

Being a teacher is really beneficial.

"Quaternion...... Ye Kaifu knew this term, and he was already a little convinced in his heart.

He thought to himself: "...... If his former teammates were him, maybe he would have won the first prize, right? ”

"Mainly, my undergraduate school was not very good, and there were so few geniuses to compare with me that it produced a kind of laziness. But now it's different......"

Soon, he began to encourage himself again: "Work hard, fight!" Only by studying hard, I, Ye Kaifu, will definitely be able to surpass him! ”

He couldn't wait to say: "Zhang Yuan, I'll invite you to supper, I didn't understand much just now, can you say it again?" ”

"I'm still eating, it's almost 11 o'clock, and I'm going to get fat."

Because he only ate half a bowl of mixed noodles, Zhang Yuan really felt that he was not full, and his heart was a little moved.

"Of course you have to eat, the nightlife has just begun!"

"That'...... Okay. ”

If the blood sugar level is too low, the brain will become mentally retarded.

Zhang Yuan comforted himself like this.

The heart is better than action, and the two sneak out of the bedroom again.

It has to be said that college seems to be the most energetic period of human life, and before 12 o'clock, students generally do not sleep.

The East Gate is still bustling.

Along the way, Ye Kaifu kept talking about various mechanical models, as well as the parameters of various chips, and all kinds of the latest space weapons, with an exaggerated and fanatical tone.

“…… I like the Enterprise developed by Eagle Country, and the Giant Rock Turtle Terrace in the United States is also good. Well, our Wyvern is not bad either, an authentic Helicarrier, loaded with the latest electromagnetic cannons. ”

"Indeed, these space weapons ...... Very shocking results. ”

After barely understanding what he was saying, Zhang Yuan licked his dry lips: "However, the current research speed of these weapons is not fast, right?" The trend in the whole world is to cooperate, not confrontation as before, so the research of various weapons has also slowed down. ”

Ye Kaifu spat and flew, as if he hadn't been like this for a long time: "There are aliens, isn't that Dyson ball the driving force!" Although it is more than a thousand light-years away from us. ”

"More than a thousand light years is a driving force? If it's in Centaur Alpha, that's the driving force! ”

"If the era of the big starry sky really begins, maybe everyone can buy a private spaceship?"

“…… There will come a time, I've already figured out that my ship will be called Queen Elizabeth! I can fly my spaceship on a space tour! ”

Seeing that Ye Kaifu fell into a frenzy and chattered to himself, Zhang Yuan came out coldly and interrupted him: "Brother, you won't have a girlfriend if you do this!" ”

"Why?!"

"How do you know?" Ye Kaifu broke out in a cold sweat on his head and closed his mouth.

Zhang Yuan looked around secretly and found that the blonde female reporter who had been bullied by him was not there, so he breathed a sigh of relief and swaggered on the chair.

"Because you are in front of me, you keep saying Elizabeth and all that. By this term, I can tell that you don't have a girlfriend......"

"Isn't that a cute name?"

Zhang Yuan felt a little funny, "Yes, it's cute!" But girls shouldn't like it. ”

"Together!"

"Together!"

"Together!"

Suddenly, there was a commotion at the next table. The group drank a lot of alcohol, and one couple even kissed each other in a commotion.

It's not a big deal, in this day and age, this kind of behavior is normal.

In the face of this kind of dog abuse, Zhang Yuan glanced at it twice and didn't bother to look at it.

Ye Kaifu sighed and said with a little envy: "The people who are still on campus now are basically all scholars, right?" It's nice to be young, and I really miss my college days. ”

Zhang Yuan said: "It should be the majority of scholars, but not all. There are also a lot of paddling goods who want to hug their thighs and get a prize. ”

"Anyway, there is a national award, whether it is applying for a scholarship or finding a job, it is more capital."

was said like this, Ye Kaifu recalled his experience of being a licking dog, and he was used by that "ex-girlfriend".

Well, I said that I was an "ex-girlfriend", but in fact, I didn't even hold my hand, but I just gave a name, and the wisher took the bait.

So stupid!

He said bitterly: "The hardest thing in college is not to watch couples show affection, academic tyrants show their grades, and local tyrants show their money, but to watch couples show their money, and scholars show affection, and local tyrants show their grades......"

I really want to have a cute girl who really likes herself!