I want to generate the random numbers in the closed area (rectangle).

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Haseeb Hashim
Haseeb Hashim 2022-4-11
回答： Walter Roberson 2022-4-11
I want to generate the random numbers in the closed rectangular area as shown below
after generating these I have to calculate the definite integral for the function line marked by red shaded area by the Monte Carlo method. Any tips regarding this

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采纳的回答

Dyuman Joshi
Dyuman Joshi 2022-4-11
If you mean in the range (0,4) and (0,25) -
%N = number of points you want, you can also run a for loop (upto you how you want to do)
r=rand(1,N); %generates a 1xN row of random numbers between 0 and 1
%you can also call rand twice for each number
r1=4*r; %0 to 4
r2=25*r; %0 to 25

更多回答（1 个）

Walter Roberson
Walter Roberson 2022-4-11
r = rand(N,2);
rand_ab = r(:,1) * (b-a) + a;
rand_cd = r(:,2) * (d-c) + c;
rand_coords = [rand_ab, rand_cd];

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