Hunting High School

On the blackboard, Professor Yi drew a pattern that looked like a candle with red chalk. In the middle is a standard rectangle, with a thin line extending from the top and bottom, and the length looks very random.

Then the professor tapped his slender bamboo whip on the blackboard.

"This pattern is the basic constituent element of a graph, a line graph."

"The top point," the professor tapped, pointing at the apex of the shadow line on the candle chart, "refers to the best thing that happened in a day; the bottom point refers to the best thing that happened in a day. Worst thing ever."

With the pointing of the pointer, two cloud-shaped explanation patterns appeared next to the upper and lower shadow lines, marking their respective meanings. Then the pointer moved and moved to the lower edge of the rectangle:

"The line below is the time you wake up, and it is also an 'eye-opening line' for your overall state after you open your eyes."

"Correspondingly, the above line is the 'closed eye line' when you lie on the bed and fall asleep with your eyes closed."

"Open eyeliner, closed eyeliner, the best thing, the worst thing, these four dimensions constitute a complete and independent line map."

"Now the line graph on the blackboard is red, which means that when you open your eyes in the morning, you may have encountered a little bad thing, but from that bad point, your fortune will increase, until the best thing of the day appears. things, and then calm down slowly, allowing you to fall asleep peacefully."

"Few people have been smooth sailing since they opened their eyes in the morning, the whole day went smoothly, good things continued, until they went to bed at night without any influence and went straight to sleep...but rarely does not mean that there is no...in this case , the two poles representing the 'best thing' and the 'worst thing' are covered by the 'open eye line' and 'closed eye line', a line graph that fortunetellers call the 'bald head and bare feet sun line'."

"The Yang line is the red line, which means good luck for the whole day."

"If there is a positive line, there will naturally be a negative line."

"The Yin line is different from the Yang line, we use green to represent it."

As he spoke, Professor Yi's bamboo whip hit the blackboard heavily, and the original red line graph's 'closed eye line' slid all the way as if in an elevator, until it crossed the 'open eye line' and slid for a while before stopping slowly. down.

At the same time, the previously red line slowly changed from red to orange, then yellow, and finally fixed to green.

The professor's voice sounded at the right time: "If you wake up, and shortly after you open your eyes, you encounter a little bit of good things, and then the whole day, bad things keep happening, and your luck doesn't get better until night, then That's the line chart you get for the day."

"Similar to the 'bald head and bare feet Yang line', there is also a 'bald head and bare feet Yin line' in the line chart... This big Yin line means that you have not encountered any good things throughout the day, from opening your eyes to closing them at night. Maybe you will suffer from insomnia at night.”

Hearing the professor's explanation, the audience sighed deeply, as if everyone had such a bad experience. Zheng Qing didn't have time to sigh with the others. He held one hand on his chest and pinched his chin with the other. He was looking at the huge green line on the blackboard thoughtfully. He always felt that the pattern on it seemed familiar.

Professor Yi tapped the whip in his hand viciously again, calming down the classroom that had just been turbulent.

"Similar!" He raised his voice slightly, and the line drawing on the blackboard disappeared instantly, and then a series of white chalk characters in bold and heavy weight appeared on the blackboard:

"Similar! According to the different trend of daily fortune, the line graph will have different meanings!"

"For example, if you sleep almost all day long, and the eyeliner is very close to the eyeliner when you open your eyes; at the same time, when the 'best thing' is not too much better than sleeping, a red cross-shaped line graph will appear, which we call 'Xiaoyang'. star'."

"And so on, there are 'small Yinxing', 'hanging yang line', 'lower shadow yang line', 'big yang line', 'piercing head and feet yang line', 'bare foot yang line' and so on... What are you waiting for? ?Why don’t you copy these concepts down?!!”

Following Professor Yi's slightly annoyed voice, the students who were staring at the blackboard lowered their heads almost at the same time, and within seconds, there was a rustling sound in the classroom almost at the same time, as if very hungry spring silkworms were eating mulberry leaves of.

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Professor Yi obviously enjoyed the background sound very much, so his tone became much gentler when he spoke:

"In reality, our life is composed of time and experience every minute and every second; and digitizing this process becomes a line graph."

“We always have expectations of life in one way or another, and those expectations are always shaped by our surroundings.”

"Sometimes the expectations are high, but the degree of realization is very low; sometimes the expectations are too low, but the actual situation deviates... These situations will be reflected in the online graph."

"Putting together the line diagrams of each day forms a tortuous curve. This line is what I call the 'life line'. Our lives can actually be simplified into such a line."

"Our mood is either positive, optimistic, negative, or pessimistic every day, and our experiences are happy, joyful, sad, or lost every day; no matter how we change, our lives revolve around this seemingly fixed, but actually controlled by us. The thin lines on the left and right of me rise and fall."

"How to read this thin line, how to draw intervals and trends through this thin line, is what we will learn in the next few lessons."

"Now, students who have finished copying the concepts on the blackboard, please open your 'weekly notebooks', and then come to the podium and get a piece of 'World Wide Grid Paper'... The rest of your class time, and your class time My after-school homework is to make a line graph of your weekly experience from the beginning to the present."

"The incantations needed to convert the graph into data, in the diagrams in the appendix of the textbook, the use of this incantation is not difficult for you, so I won't go into details... If you really don't understand it, you can use it alone after class. Consult me."

"Here, I would like to reveal a little information to you in advance, that is, in the final exam of divination, there must be a big question related to the 'trend divination method'. If you lay a solid foundation in the initial learning process, for example, some students are making When drawing line charts, accurate each line to the day instead of the week will be very helpful for your follow-up studies, especially for accurate divination of future trends."

Professor Yi's lecture came to an end.

After a moment of silence in the classroom, there was a creaking noise when the tables and chairs were moved. The students lined up, walked up to the podium quietly and sadly, and received the large piece of paper covered with fine grids.