How do I correct this code to not use the 'break' command?

function P = cities(N,border,hub)
SB = size(border);
SH = size(hub);
if length(N) ~= 1
    error('N cannot be a matrix')
elseif N <= 0
    error('N must be larger than 0')
elseif mod(N,1) ~= 0
    error('N must be an integer')
elseif SH(2) ~= 2 || SH(1) ~= 1
    error('Input "border" must be a 1x2 matrix')
elseif SB(2) ~= 2
    error('Input "border" must be a two column array')
else

      xb = border(:,1)'; %Column 1 of border
      yb = border(:,2)'; %Column 2 of border

for i= 1 : N

      while (1)

          xrand=min(xb)+(max(xb)-min(xb)).*rand(1);%In general, you can generate N random numbers in the interval (a,b) with the formula r = a + (b-a).*rand(N,1).

          yrand=min(yb)+(max(yb)-min(yb)).*rand(1);%Used min and max to make the boundary guess a little better

              if inpolygon(xrand,yrand,xb,yb)==1; %Exit While loop when inside polygon

                  break

              end

      end

          Prand(i,:)=[xrand yrand]; %Populate random locations matrix

end

          P=[hub;Prand]; %Combine input hub with random locations for output

end

Answer 1

[Walter Roberson]

      keep_searching = true;
      while keep_searching

          xrand=min(xb)+(max(xb)-min(xb)).*rand(1);%In general, you can generate N random numbers in the interval (a,b) with the formula r = a + (b-a).*rand(N,1).

          yrand=min(yb)+(max(yb)-min(yb)).*rand(1);%Used min and max to make the boundary guess a little better

              if inpolygon(xrand,yrand,xb,yb)==1; %Exit While loop when inside polygon

                  keep_searching = false;

              end

      end

[Brandon Coker]

You are awesome! I couldn't for the life of me figure out how to do it without break!