CODEWITHSUNDEEP
arraysmatlab
user6196619
user6196619

Reputation: 5

placing specific number randomly in array in matlab

how to do this?

i want to place a specific number, like number 2 randomly into a 3x3 of zeros array, it did came out, but the coding still not right and somehow number 1 also appear.

rows = 3;
cols = 3;

M = zeros(rows,cols);

p = randi(2);

rV = randperm(rows);
cV = randperm(cols);


M(rV(2),cV(2))=p

where did i do wrong? any suggestion

Upvotes: 0

Views: 25

Answers (2)

user6196619
user6196619

Reputation: 5

No need - I've already solved it!

a=[2];
m=zeros(3);
m(randperm(numel(m),numel(a)))=a

Upvotes: 0

Edric
Edric

Reputation: 25140

You could also use randi together with linear indexing

m = zeros(3);
m(randi(numel(m))) = 2;

Upvotes: 1

Related Questions