Mr. Pivot

(This tool is under development. There may be some errors in the objective rows’ calculations.)

Mr. Pivot is an application for learning the simplex method. It operates as follows:

  1. The user inputs a linear programming problem in BLP format.
  2. An initial tableau is displayed
  3. The user selects a pivot element in the tableau by clicking its cell
  4. When the Pivot button is pressed, the pivot is executed and an updated tableau displayed.
  5. Steps 3 and 4 can be repeated as desired

The following action buttons are available:

  • Pivot - execute a pivot using the selected pivot element
  • Undo - undo the last pivot
  • Names ON/OFF - displays/hides rows and column names or labels
  • Cross-Hairs ON/OFF - displays/hides highlighting of the row and column of the selected pivot element

To start over on a given problem, press the browser’s refresh button.

Model Input Form

Model title:

Input your problem here in BLP format (example is shown):

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