Uncheck dual button once solved; +new examples

Author: fusion809

examples/x1_2x2_x3

@@ -0,0 +1,6 @@
+Max z = x1 + 2x2 + x3
+Subject to:
+3x1 + 2x2 + x3 <= 180
+4x1 + 3x2 + 6x3 <= 270
+x1 + 2x2 + 3x3 <= 180
+x1 + x2 + x3 <= 100

examples/x1_2x2_x3Dual

@@ -0,0 +1,5 @@
+Min G = 180y1 + 270y2 + 180y3 + 100y4
+Subject to:
+3y1 + 4y2 + y3 + y4 >= 1
+2y1 + 3y2 + 2y3 + y4 >= 2
+y1 + 6y2 + 3y3 + y4 >= 1

examples/xy2Ex

@@ -1,4 +1,6 @@
-Max z = x + y
+Max z = x1 + 2x2 + x3
 Subject to:
-3x - y <= 10
--x + 3y <= 10
+3x1 + 2x2 + x3 <= 150
+5x1 + 3x2 + 9x3 <= 250
+x1 + 5x2 + 3x3 <= 200
+x1 + x2 + x3 <= 50

readInputs.js

@@ -42,6 +42,7 @@ function getParameters() {
             var [A, b, cj, x, xB, shouldDie, sign, objVarName] = 
             readNonMatForm();
             uncheck("useNonMat");
+            uncheck("isDual");
         } else {
             var [A, b, cj, x, xB] = readInputs();
         }