You can alternate between finding these single-entry rows/cols, and assigning random numbers to entries where the value doesn't matter. How do I multiply all the elements in each row of a given matrix with corresponding elements of a given vector and sum them in MATLAB? MathWorks is the leading developer of mathematical computing software for engineers and scientists. 3 Comments on Construct autocorrelation Matrix in Matlab & Python Auto-correlation, also called series correlation, is the correlation of a given sequence with itself as a function of time lag. To be clear, the final output is the matrix A_rand that satisfies these constraints. I need it to be between two set values, e.g. This e I define beforehand, say like 0.001 or something. Now, this matrix has two important quantities, the vectors. What is the rationale behind Angela Merkel's criticism of Donald Trump's ban on Twitter? independent and identically distributed (i.i.d.) Sorry for what is probably a very basic question but I am new to matlab. Stack Overflow for Teams is a private, secure spot for you and randperm: This is used to create permuted random values. If I understand you correctly, can't you just generate a random number between 0 and min(c,r), call it x0. Random Numbers Between Two Values version 1.0.0 (1.23 KB) by Abdullah Almahous Ranged random numbers between two values and with the possibility of setting duplicate numbers in the output matrix. Is it safe to use RAM with a damaged capacitor? If A(2,5) = w and it is the only non-zero entry in its column, then A_rand(2,5) = w as well. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. A=w*(rand(n,n)