Chapter 1377 Teacher, Don’t Run Away! I Promised You to Help Me! (Monthly Ticket Adds 1 Update)
Gretel also wanted to ask the teacher if you knew Fourier Transform. If not, I would teach you - but he didn't dare.
He asked rashly, and when the time came, the teacher gave him a triple shot, and then he asked:
"Why is this formula called Fourier transform?"
"Where did you learn that?"
"How do you know this formula works?"
If he can't answer a single question, he's looking for death!
Alas, it's all his fault for not paying attention to the progress in magic and other aspects before the Council.
If he had read papers frequently and noticed the parliament's previous mathematical achievements, he wouldn't have such a headache now.
There was no other way, Grete held a clam shell, a picture, and a basic signal given by the teacher, and plunged into the library of the Magic Academy.
After flipping through it desperately, Grete found helplessly that at least in the records of the Elf Magic Academy and the parliamentary journals collected by the elves, there were no records related to Fourier Transformation.
Then there was nothing he could do, he had to do it himself.
The silver dragon girl quickly discovered Gretel's changes. During this time, he was buried in his study, neither reading spell books nor practicing magic.
What surprised Cerela even more was that he didn't even have surgery!
Every day, I just lie down on my desk, write, write, calculate, write, write, calculate again...
The pile of manuscript papers on the desk ranges from a few thin sheets to a knuckle-thick pile;
Then from a knuckle-thick pile to a half-palm-thick pile;
From neatly stacked to flying everywhere, on the table, on the cabinet, on the chair, on the floor, everywhere...
"Grete, what are you doing?"
Serila couldn't even get in. She stood on tiptoes, held the door open, and stuck her head in to shout. While shouting, he also gathered a force field wall to block the wind outside the door:
There must not be a breath of wind blowing in!
The wind blew in and messed up the manuscript paper. When Gretel turned around to look through it, he couldn't find it. It disturbed his thoughts and caused him a lot of trouble!
"I'm calculating..."
Grete raised her head weakly. His face was pale, his eyes were dull, and his bangs were flat on his forehead.
Even if the power of nature nourishes him day and night, so that there are no dark circles around his eyes, the look of being crushed for three days and three nights, and hanging on the cliff for seven days and seven nights, still makes Cerela feel particularly distressed:
"Grete, what's wrong with you? If you can't figure it out, don't do it. Let's take a rest first, take a bath and have a full meal? Look at how you look now. Don't tire yourself out before you figure it out. Got it!"
"It's not...I'm really fine..."
Gretel bared his teeth. He also studied Fourier transform and other things in college - he really studied it, advanced medical mathematics and so on, and did not skip this lesson.
The problem is, there is still a huge gap between what was taught in class and what he can master now and use the formula to calculate MRI images.
Not to mention, he has to explain clearly to the teacher why there is this formula, what is the essence of this formula, and what can it be used for...
The Fourier transform is still a very complex formula! It has various variations in different research fields, and each variation is enough for Gretel to drink a pot!
"Convergence properties... symmetry properties... parity and even properties... linear properties... time shift properties... frequency shift properties... scale transformation properties... convolution theorem... time domain... frequency domain..."
Gretel looked gloomy and his head was as big as a bucket.
Every property is described by a formula. Even if every formula is in the textbook in his previous life, he has to figure it out by himself!
Oh, it’s so difficult for him...
Gretel lamented and admired the achievements of his predecessors while burying himself in his study day and night.
It was so difficult for him to just follow the textbook, familiarize himself with and deduce the formulas again. How difficult was it for Fourier to create these formulas...
These big guys, if they had the chance to travel through time, everyone could become a legendary mage, right?
After struggling like this for a month, when the Lord of Thunder came to check his homework next time, he was finally able to take out a thin booklet and send it to the teacher:
"Teacher...this formula may be able to help you..."
The Lord of Thunder opened the book with a puzzled expression. At a glance, the first page is full of trigonometric functions, which are unremarkable;
On the second page, I glanced at it again. The expansion and transformation of trigonometric functions should have been known to the little guy for a long time;
Page 3: Expansions, transformations and curves of trigonometric functions. It's a bit interesting. It seems that no one has explored this direction...
I looked in and looked in. The fingers turning the pages of the book became slower and slower, and the gaze stayed focused longer and longer.
On the monocle, blue light flashed crazily, and dots as fine as sesame seeds rolled at high speed. For a moment, countless numbers, formulas and curves rushed down the monocle like a waterfall...
Gretel stood beside him nervously, staring at the teacher. Teacher, if you look like this, you don’t want to stand here and understand the Fourier function completely in one breath, right?
Whether this book is thick or thin, it has dozens of pages!
Dozens of pages, Fourier Transform, various variations of Fourier Transform, everything he had in the textbook in his previous life, everything he had seen elsewhere, everything he could deduce, it was all on it!
Teacher, although you are a legendary mage, your mental power is extremely powerful, and your computing power is approximately equal to that of a computer...if not a supercomputer...
However, even if it is a computer, it still needs to enter a program!
Teacher, how many hours or days do you plan to use to figure out all these formulas? Shall we go to the study room and take a look? Let's sit and watch, okay?
I deduced...oh no, copied...oh no, it took me a month to become familiar with these formulas. Teacher, you should use them in a day no matter what!
Let’s not be punished by standing here, okay?
However, the Lord of Thunder had already stood still, looking as if he was in a state of wandering mind, with only a trace of his soul remaining on the book.
Grete lamented in his heart, and could only stand respectfully and stood sideways. Ten minutes, twenty minutes, half an hour...an hour...
Even though Grete had the physique of a level 14 natural priest, he still felt that his back and legs were weak and he was very tired. When the teacher wasn't paying attention, he quietly took a half step back, summoned a floating saucer, and sat on it.
Looking at the teacher again, I still feel a little unsafe. After thinking for a while, he summoned a floating saucer, lay down on it, and began to demonstrate the surgical method of Farlow's quadruple pig on the spot.
Well, when the teacher comes to his senses and sees me busy, he will definitely not dislike me for not standing with him!
The sun's shadow slowly moves across the sky, and then slowly tilts westward. Gretel glanced at the teacher from time to time at first, but gradually he became more focused and devoted himself wholeheartedly to the surgical deduction.
Heart anatomy, cardiac electrophysiology, hemodynamics... therapy, encouragement, anesthesia... the small spots and cord-like foreign bodies observed in Prince Anio's heart...
Grete was writing and drawing without even looking up. The light around him gradually dimmed, and several light balls quietly rose up to illuminate him. He didn't even feel anything.
I don’t know how long I have been busy, but a thunderbolt broke the silence. Gretel suddenly raised his head and saw a bolt of lightning falling across the sky, shining through the sky and the earth, and in the lightning, the Lord of Thunder had disappeared...
"Teacher!" He raised his head reflexively and shouted:
"teacher!"
"Teacher seems to have gone to the beach..." Cerela whispered. Gretel raised his head in the direction she pointed, turned around and ran, crashing into the nearest tree:
Tree magic!
Tree magic!
Tree magic!
The nearby big trees and ancient trees opened the passage for me, allowing me to catch up in the footsteps of the teacher!
"Bad Grete! You won't even take me with you!" Cerela stamped her feet in annoyance. As a silver dragon, her affinity with nature is not as close as Gretel's, nor has she learned how to teleport through big trees——
In the blink of an eye, the silver light surged, covering her whole body. The silver dragon spread its wings, flapping the strong wind, and soared into the sky.
Amidst the huge wind noise, you can still hear the crisp muttering of the Silver Dragon, which kept coming:
"Bad guy Grete! You won't even take me with you! I won't take you flying next time! - I'll fly by myself and see who's faster! Maybe you can't be faster than me? Hehehehehehe!"
Gretel didn't hear her moans at all. He was so anxious that he followed the path pointed out by the ancient tree, teleported all the way, and chased after him.
After chasing him to the beach, he saw the Lord of Thunder standing far above the waves, with wind and clouds surging in front of him. A huge fireball hung in front of him, spinning constantly, slowly getting smaller, smaller, smaller...
From red to yellow, from yellow to white, from white to cyan, from cyan to blue, from blue to purple.
The purple color became darker and darker. Gradually, Grete could no longer see the fire bead, but the majestic pressure became heavier and heavier. The sea a kilometer away was so heavy that he couldn't breathe.
"what happened?"
The wind roared behind him, and Cerela returned to her human form, landing lightly on the ground and next to him. Gretel shook his head blankly:
"I don't know. Teacher..."
Who knows what inspiration the teacher got from the formula?
The application scenarios of Fourier transform are very wide, including physics, number theory, combinatorial mathematics, signal processing, probability, statistics, cryptography, acoustics, optics...
And initially, it was proposed as a tool for analytical analysis of thermal processes. Thermodynamics and the like are very closely related to the plastic energy system, right?
Before he finished speaking, the Lord of Thunder suddenly raised his arm and made a throwing motion, then quickly retreated.
One second, two seconds, three seconds, he flashed beside Gretel, raising his hands to build barriers.
There was a loud bang, and the entire sea surface suddenly dented. Then, an overwhelming shock wave rolled up huge waves and rushed towards them head-on!
If the Lord of Thunder had not set up a barrier in advance, Gretel would not have dared to say that he would have been able to withstand the aftermath of this blow...
"You're fine." The huge waves rolled in and out. The Lord of Thunder turned to look at Gretel, the blue light on the monocle was shining brightly, and tiny electric sparks were beating:
"You should study it by yourself for a while first. Your formula has given me some ideas. Your senior brother's project is almost completed..."
As he spoke, his figure disappeared in a flash. Gretel was left stretching out his arms in vain, raising his head, looking towards the direction where the Lord of Thunder disappeared:
Hey, teacher, why did you run away like this when you disagreed with me?
As promised, you are here to help me!
I'm here to help with the MRI!
Teacher, don’t run away, Teacher! return--
Thanks to x-on:TaxolYang for the 666 starting coins
There were 8,000 monthly passes in December and 14 extra updates were owed. There were 6,000 monthly passes in January and 10 extra updates were owed. A total of 24 monthly passes and extra updates were owed.
For rewards and other rewards from all league leaders, a total of 56 rewards plus updates are owed.
I owe a total of 80 extra updates, and today is the first one.
The cat...will definitely return it!
Claw!