changelog

Enter your data into the calculator and click Submit. You can also change the type of the caluclator in the second row of the menu.
The calculators are divided into several groups, the description is available if you move your mouse on the name of each group (the first row of the menu).

Local extrema in two variables

  Funtion in two variables   f(x,y) =
Troubles with writing math? Clicking Preview you get how formconv renders your expression and how you can enter this expression in Maxima notation (you can use copy and paste to transfer to the form.)

Task for computation

Hessian at stationary point   x=     y=
 
Hessian at stationary points [x1,y1] ; [x2,y2] ; ....  

use computer to find stationary points first (this may fail to find all stationary points, however)

History
MAW-minmax3d