GraphingCalculator 3.2;
Window 41 53 751 701;
PaneDivider 115;
2D.BottomLeft -1.359375 -3.921875;
2D.GraphPaper 0;
Text "<size=13>Use the mouse to move the points in the plane. The red vector shows the vector projection of the blue vector onto the green vector. How are the vectors related when the projection is shortest?







";
Color 8;
Expr a=4.703125+1.5*i;
Color 8;
Expr b=1.78125+2.875*i;
Color 3;
Expr O=vector(0,0),A=vector(Re(a),Im(a)),B=vector(Re(b),Im(b));
Color 4;
Expr O,A;
Color 3;
Expr O,B;
Color 2;
Expr O,dot(A,B)/abs(a)^2*A;
Color 8;
Expr B,dot(A,B)/abs(a)^2*A;