Plot the Shape of My Heart. How two simple functions form a…

John the Math Guy: The function of the heart

What is the equation of the heart-shaped curve that is got by plotting the first against the second derivative of the Normal Curve e^-x²/2? - Quora

What is the equation that gives you a heart on the graph? - Quora

How to calculate heart rate from ECG (or EKG) - Seer Medical

What a Tilt Table Test Can Show

Plot the Shape of My Heart. How two simple functions form a…, by Slawomir Chodnicki

Plot the Shape of My Heart. How two simple functions form a…, by Slawomir Chodnicki

John the Math Guy: The function of the heart

curves - Is it possible to plot a graph of any shape? - Mathematics Stack Exchange

What is the equation that gives you a heart on the graph? - Quora