How do i add white gaussian noise to 3d point( x, y,z) and pass those values to kalman filter?

how to add gaussian noise to a signal in 3d(x,y,z)and output of which must be in passed to a kalman filter the above said must be done without using simulink. thank you

Answer 1

[Wayne King]

% Just creating my "signal"
  X = randi(50,10,10,10);
  X = X+randn(size(X));