The Use of Matlab to Solve the Question! Tyvm :D When zombies roam the earth, it

Question

The Use of Matlab to Solve the Question! Tyvm :D

When zombies roam the earth, it is useful to predict their movements. A zombie that is awake (and not chasing after human) exhibits what is termed ‘random walk. The position x of a random-walker is computed by where s is a random number. Write a program that calculates the number of steps required for a captured walker to reach a fence boundary x = B. Use MATLAB's built-in function randn (1, 1) to calculate s. Run the program 100 times (by using a loop) and calculate the average number of steps when B=10

Explanation / Answer

Code:

clear

for j=1:100
    x=0;
    i=0;
while 1
    i=i+1;
    x=x+randn(1,1);
    if 9.995<=abs(x) && abs(x)<=10.005
        break
    end
end
steps(j)=i;
end
average_steps = sum(steps)/100

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Here, i have included a tolerance of 0.005 meters so that any value between 9.995 and 10.005 would be counted.

Also, this is to note that due to such long itertaions, the code takes a very long time to execute.

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