Turtle and Observer Command
setxy-at xcor ycor number1 number2

Sets the x-coordinate of the turtle xcor units in the x direction and ycor units in the y direction away from the caller to number1 and sets the y-coordinate of the same turtle to number2.

Examples:

setxy-at 1 1 5 6 sets the x-coordinate of the turtle one unit to the right and one unit above the caller to 5, and it also sets the y-coordinate of the same turtle to 6.

Related commands:
setycor-at xcor ycor setx sety setxy xcor-at ycor-at