% Basic Operations ========================

>> 5+6
>> 3-2
>> 5*8
>> 1/2
>> 2^6
>> 1 == 2   %false
>> 1 ~= 2
>> 1 && 0   % AND
>> 1 || 0   % OR
>> xor(1,0)
>> PS1('>> ');
>> a = 3
>> a = 3;  % semicolon suppressing output
>> b = 'hi';
>> c = (3 >= 1);
>> c
>> a = pi;
>> a
>> disp(a);
>> disp(sprintf('2 decimals: %0.2f',a))
>> disp(sprintf('6 decimals: %0.6f',a))
>> a 
>> format long
>> a
>> format short
>> a
>> A = [1 2; 3 4; 5 6]
>> A = [1 2;
> 3 4:
> 5 6]
>> v = [1 2 3]
>> v = [1; 2; 3]
>> v = 1:0.1:2 
>> v = 1:6
>> ones(2,3)
>> C = 2*ones(2,3)
>> C = [ 2 2 2; 2 2 2]
>> W = ones(1,3)
>> W = zeros(1,3)
>> W = rand(1,3)
>> rand(3,3) 	% Uniform distribution
>> rand(3,3)
>> rand(3,3)
>> W = randn(1,3)   % Normal distribution
>> W = -6 + sqrt(10)*(randn(1,1000));
>> W 
>> %
>> graphics_toolkit('gnuplot')   % this makes graphics work fine ^^
>> % make change it in octaverc file in "C:\Octave\Octave-4.0.0\share\octave\site\m\startup"
>> hist(W)
>> hist(W,50)
>> eye(4)
>> I = eye(4)
>> I = eye(6)
>> eye(3)
>> help eye
>> help rand
>> help help