'Vampire Apocalypse Calculator' online simulator that can calculate 'How many days a vampire will conquer the world?'
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The online service “ Vampire Apocalypse Calculator ” that can simulate the time it takes for the whole world to become a vampire by setting the number of vampires, aggression, and even the existence of vampire hunters has appeared.
Vampire Apocalypse Calculator | Predator-Prey Model-Omni
https://www.omnicalculator.com/other/humans-vs-vampires
Let's actually use Vampire Apocalypse Calculator. The official page looks like this, the left column is the Vampire Apocalypse Calculator body. On the right side, there are explanations about Vampire Apocalypse Calculator and trivia about vampires.
The total population of the world, the number of vampires, and the probability of blood sucking and becoming a vampire can be individually set, but this time we will select the preset “scenario”. Scenarios can be selected from world views such as “
The initial state of humanity in Dracula's world is “Initial population” (1,650 million). 'Transformation probability' (mutation probability when bitten by a vampire) is 100%. “Annual population growth” is 1%, and “Smaller population grow faster” is “no”.
As for the vampire ’s power, there is only one “Initial population”. Bram Stoker's view of Dracula's world reflects faithfully that no vampires other than Count Dracula have appeared. “Vs. humans” is common attacks. “Vs. slayers” is no attacks. “Smart vamires” is a setting in which the vampire lowers the frequency of blood sucking as the world population declines, and in the Dracula ’s worldview it is “no”.
Vampire slayers (vampire hunter) 's “initial population” (number of vampire hunters at the start) is 0, because vampire hunters did not appear in the Dracula world. `` Annual recruitment speed (number of people recruiting vampire hunters per year) '' is set as no recruitment (zero), `` vs. vampires (frequency of attacks against vampires) '' is also set as no attacks (does not attack vampires) It seems like a world without the concept of a vampire hunter.
Based on the above settings, Vampire Apocalypse Calculator will calculate 'How does the vampire and human population change?' Calculation results are output in a table, and the format of the table can be changed in the “Changes in populations” item. This time, “Time scale” is set to months, and “Chart scale” is set to Linear.
The graph below shows the number of vampires in Dracula's world and changes in population. The vertical axis shows the number, and the horizontal axis shows the number of months since the start. At the time of writing the article, the number on the vertical axis side was out. The blue line is the population, and the red line is the number of vampires. The yellow line shows the number of vampire hunters.
You can see details by hovering over the graph. Since the starting population is 1,650 million, the number of vampires is only Count Dracula, so one.
After one month, the number of vampires will be three.
In the fifth month, the number of vampires will be close to 1000.
When “Scenario” is selected, a brief explanation of the result is written at the top of the graph.
According to the commentary, the turning point was around 13 months after the start. The number of vampires doubled around here.
At about 16 months, the population and the number of vampires are reversed.
After that it was a digestion game. The population as of 20 months is 2.57 million, and the number of vampires is more than 1.660 million.
In 30.8 months, humanity has been destroyed. The Vampire Apocalypse Calculator is not just a “Dracula” scenario, but you can enter vampire and vampire hunter settings yourself to simulate various situations.
The creator of the Vampire Apocalypse Calculator is Dominik Czernia, a physicist working at the Nuclear Physics Institute in Poland. Czernia Mr. of science-based media ScienceAlert against, motivation was developed this simulator was mathematically analyzed for the co-existence of vampires and human beings on the fiction (PDF file) of the 2013 paper and he said because he is inspired by the 'This simulator is a fusion of my favorite' fiction 'and' science '. Even mathematical models that are far from mathematics called vampire apocalypse are applicable to mathematical models and can be expressed using differential equations. I commented .
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