Add lab session 9

Handed in on Jan 24.

Change-Id: I63f9a63a7ff9f5f0080d74d7ec8cd993c6fa4135
diff --git a/p9/data/estacionari/coure.dat b/p9/data/estacionari/coure.dat
new file mode 100644
index 0000000..317942f
--- /dev/null
+++ b/p9/data/estacionari/coure.dat
@@ -0,0 +1,25 @@
+0	2.43	62.392	1.740
+5	1.39	36.370	1.013
+10	1.29	33.817	0.950
+15	1.23	32.280	0.913
+20	1.2	31.511	0.895
+25	1.14	29.969	0.858
+30	1.12	29.455	0.846
+35	1.07	28.166	0.816
+40	1.03	27.134	0.793
+45	1	26.359	0.775
+50	0.98	25.841	0.764
+55	0.96	25.324	0.752
+60	0.96	25.324	0.752
+65	0.94	24.806	0.741
+70	0.91	24.028	0.723
+75	0.9	23.768	0.718
+80	0.88	23.249	0.706
+85	0.87	22.989	0.701
+90	0.86	22.729	0.695
+95	0.86	22.729	0.695
+100	0.86	22.729	0.695
+105	0.85	22.469	0.689
+110	0.84	22.209	0.684
+115	0.84	22.209	0.684
+120	0.84	22.209	0.684