Vectorfield

Warning! This side isn't optimized for narrow screens. The canvas has dimensions 900x600 pixels.

With this tool you can play around with vectors a bit. Just type something for the derivative of the two directions (or select one from the examples).

When you're done, click the restart-button to redraw the canvas.

By clicking on any point at the canvas you can start a curve which will then be drawn.

The syntax for the expressions is explained below.

x' = y' =

Syntax:

INT	::=	[0-9]*
VAR	::=	a \| ... \| z
E	::=	INT
	\|	VAR
	\|	(-E)
	\|	(E+E)
	\|	(E-E)
	\|	(E*E)
	\|	(E/E)
	\|	(E^E)
	\|	SIN(E)
	\|	COS(E)
	\|	TAN(E)
	\|	LOG(E)