1 files changed, 24 insertions, 0 deletions

diff --git a/packages/glpk/examples/simplex4.hs b/packages/glpk/examples/simplex4.hs
new file mode 100644
index 0000000..3b9c060
--- /dev/null
+++ b/packages/glpk/examples/simplex4.hs
@@ -0,0 +1,24 @@
+import Numeric.LinearProgramming
+
+-- $ glpsol --cpxlp  /usr/share/doc/glpk-utils/examples/plan.lp  -o result.txt
+
+prob = Minimize [0.03, 0.08, 0.17, 0.12, 0.15, 0.21, 0.38]
+
+constr = Sparse
+    [ [1#1,1#2,1#3,1#4,1#5,1#6,1#7]                          :==: 2000
+    , [0.15#1, 0.04#2, 0.02#3, 0.04#4, 0.2#5,0.01#6, 0.03#7] :<: 60 
+    , [0.03#1, 0.05#2, 0.08#3, 0.02#4, 0.06#5, 0.01#6]       :<: 100 
+    , [0.02#1, 0.04#2, 0.01#3, 0.02#4, 0.02#5]               :<:  40 
+    , [0.02#1, 0.03#2, 0.01#5]                               :<:  30
+    , [0.7#1,  0.75#2, 0.8#3,  0.75#4, 0.8#5,  0.97#6]       :>:  1500 
+    , [0.02#1, 0.06#2, 0.08#3, 0.12#4, 0.02#5, 0.01#6, 0.97#7] :&: (250,300) 
+    ]
+
+bounds = [ 1 :&: (0,200)
+         , 2 :&: (0,2500)
+         , 3 :&: (400,800)
+         , 4 :&: (100,700)
+         , 5 :&: (0,1500) ]
+
+main = print $ simplex prob constr bounds
+