Hogwarts and the Unspeakable

Chapter 160 Tossing a Coin

What is randomness?

For people who have trouble choosing, "random" is a good thing.

If you don’t know what to eat, you can generate a random number to help you decide.

Random numbers are the result of a specialized random experiment: say, tossing a coin in the sky.

The probability of heads and tails is 50% each. There is both a positive possibility and a negative possibility.

And this process is usually completely unpredictable to humans. Therefore, it is called a "random" number.

In English, the English word for random numbers is random, which is also equivalent to random and random.

It’s random! Casually, casually, just find one and count it out, write the names of several restaurants on the slips of paper and draw lots.

Isn’t this enough? Isn’t this just random?

It’s a simple bird’s eye view of life.

If we look at this matter with a more cautious attitude, we may be surprised:

Random numbers are actually not that random.

Because if you want to strictly achieve "randomness" itself, you need a lot of "deliberateness".

Let’s go back to the coin tossing question.

Tossing a coin may land heads once, twice, or even ten times.

But you won’t feel any anxiety in your heart:

Because a normal coin will always come up tails.

Moreover, as the number of times we flip coins increases, we actually do so many times that we do not come into contact with in daily life.

The number of heads and tails will return to a very balanced ratio:

One to one.

In other words, every possibility must exist fairly, and the probability of every possibility must be approximately equal.

If this coin has been tampered with, the probability of it coming up heads is as high as 90%.

Even if both sides are heads, the possibility of heads up is 100%.

You win, then this situation is called a black-box operation, and it cannot be called random, right?

You don’t want to choose the cilantro and green onion you don’t like every time you flip a coin every time you eat, right?

Next, let’s take this issue more seriously:

When we toss a coin of uniform texture, the heads are called 1 and the tails are called 0.

When the number of tosses is enough, we can get a random binary sequence:

a=(a0, a1, a2, a3..., an-1)

This sequence has the following three characteristics:

1. The number of 1’s and the number of 0’s in the sequence are close to equal;

2. The autocorrelation function of the sequence is the highest when the degree is zero, and decreases rapidly when it is not zero;

3. The connected 1s or 0s are called runs, and the number of consecutive 1s or 0s is called the length of the run. Then in the sequence a, the run with a length of 1 accounts for one-half, and the length is 2. The run of length accounts for one-half of two squares of the total number, and the run of length 3 accounts for one-half of two cubes of the total number. Among all runs of the same length, 1 runs and 0 runs account for half each.

These three properties are truly random characteristics.

Pseudo-randomness only has properties one and two.

Although it has properties one and two, it is not a randomly generated number, but a number with random properties obtained through precise calculations.

Naturally occurring and man-made, although having the same properties,

But the difference is very, very big. . .

----

In a nutshell:

Pseudo-random numbers are random numbers generated through precise calculations.

This may not sound like a big deal and a very boring concept.

But this is exactly why Hermaeus Mora's behavior is so unpredictable.

You think it's going to do behavior one, but it might just do behavior two.

Quick, efficient, powerful - and unpredictable.

Imagine a knight with both strength and speed, slashing wildly with a half-hand sword, but you didn't see what his next move would be.

If you can't predict it, you can't avoid it, and you can't defend it in a targeted manner.

This kind of thing involving "chaos" is one of the standard features of the macro-ecosystem.

Now, "you" actually tell me that these things are not really random patterns,

Is it just a set of random numbers that even humans can deduce and calculate?

Because pseudo-random numbers are generated through calculation, they are not irregular, traceable, or unpredictable.

Therefore, as long as the random seed is obtained and the method of generating the random number is known,

Then the strength of "Hermaeus Mora" changed from completely unmatchable to "completely predictable".

And once it can be predicted, it evaluates human intelligence, knowledge, information and concepts that can be passed down from generation to generation.

Predict and calculate the attack method of "Hermaeus Mora" in advance, and be one step ahead of it to defend or even counterattack;

Even by adjusting different conditions, see if the random numbers, especially the seeds of the random numbers that can be deduced, will change.

----

Once the decision-making pattern is stolen.

"Hermaeus Mora" can even change from a lofty god to a slightly more powerful lamb to be slaughtered.

hum.

The reason why humans can still exist in this world today is that they have evolved from an ordinary apex predator to the master of the world's creatures.

It takes life and death with "extreme biological xenophobia" and feeds almost all living things it can see into its stomach without mercy or negotiation.

It doesn't just rely on those very subjective things of sacrifice and belief - although they are indeed very important.

A moth flies into the flame and a mantis flies into a chariot. Isn't this also a so-called "belief"?

What is truly worth relying on is to find a way to win in each difficult situation, and pursue one victory after another without mercy and complete ruthlessness.

As long as you can find a little bit of predictable or even pitiful information,

It can also be deduced and calculated to produce flowers,

This thing is the secret to survival. . .

----

What's that sentence called?

The so-called enlightenment is not a lonely sacrifice.

But even in the wilderness where no one goes deep, you can rely on wisdom and courage,

Find a bright road forward for us to move forward.

----

It is precisely because of this knowledge background and knowledge base, or in other words:

Illustration.

Only these recognized smart people among humans can think about so many things and extract so much information.

This stuff isn't very interesting, and sometimes it's even boring.

There are no rewards, no dreams from God, or any system to reward you.

No one is saying to you: "Today you figured out Hermaeus Mora's random decision-making pattern. Well done. Add chicken drumsticks tonight."

nobody.

Human beings are always alone in the lonely wilderness.

In this wilderness, in the land abandoned by God, the God-forsaken people have to walk alone on the God-forsaken road.

What a terrifying wilderness this is!

There was no sound, no sight, not even feeling.

Not even a companion.

The only things that can be felt are a few feelings:

1.I am still alive

2. I’m still moving forward

A lonely penance.

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