Finding a value (or not a value) inside a matrix

I want to find a value or if a value is not inside of a matrix. Code so far. Will be using an if statement to do something if condition is met or do nothing if condition is not met.

clc, clear, close all

Bingo_board = randi([1 100],5,5)

x = randi ([1,100], 1)

Answer 1

[Ameer Hamza]

Try this code

Bingo_board = randi([1 100],5,5)
x = randi ([1,100], 1)

if any(Bingo_board(:)==x)
    disp('Match found.');
else
    disp('No match found.');
end

Answer 2

[Walter Roberson]

ismember(x, Bingo_card)