Add lab session 9

Handed in on Jan 24.

Change-Id: I63f9a63a7ff9f5f0080d74d7ec8cd993c6fa4135
diff --git a/p9/data/estacionari/coure_fit.dat b/p9/data/estacionari/coure_fit.dat
new file mode 100644
index 0000000..212ed0d
--- /dev/null
+++ b/p9/data/estacionari/coure_fit.dat
@@ -0,0 +1,11 @@
+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