[b][i]Pivot(A,pr,pc) [/i][/b] perform a gauss elimination step with pivot row pr and pivot column pc to matrix A[br][b][i]PivotCol(A)[/i][/b] calculate pivot column of matrix A[br][b][i]PivotRow(A,pc)[/i][/b] calculate pivot row of A with pivot column pc[br][b][i]MaxIL(A,n) [/i][/b] extract the max values from the matrix end tableau[br][b][i]MinIL(A,n)[/i][/b] extract the min values starting from column n of the dual matrix end tableau and min value in last element[br]In case constraints is <>0 (b has a 0 element), depending on the LP the calculated pivot row must be adjusted manually, [br][br]CAS[br][b][i]X[/i][/b]:= define LP variables[br][b][i]Tablo[/i][/b]:= LP equation system, Z objective last element of the list - adjust all constraints to equations[br][b][i](7) [/i][/b]Standard Tableau maximize LP - if necessary adjust slack variables/[br][b][i](9)[/i][/b] dual tableau minimize LP with standard max algorithm[br][br]minimize_lp(x1+1*x2+1*x3+1*x4,[[br]x1>=180,[br]3*x2+2*x3>=900,[br]x1+3*x3+7*x4>=450[br]]),nonegative_lp=true;[br][br][url=https://www.geogebra.org/m/kkcqnwnh][math]\nwarrow[/math]Cutting Minimizer[/url]