First commit

cube.py

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+from math import *
+
+## Exp W. Modes of long cyclinder (1D) ##
+u = 343 #speed of sound
+a = 0.2 #length of tube
+b = 0.2
+c = 0.2
+fqn = [] #frequencies
+f = []
+
+for l in range (0,4):
+    for m in range (0,4):
+        for n in range (0,4):
+            qn = [l,m,n]
+            frequency = (u/2)*(sqrt((l/a)**2+(m/b)**2+(n/c)**2))
+            if frequency in f:
+                continue
+            else:
+                f.append(frequency)
+                fqn.append([frequency,qn])
+
+for i in range(len(fqn)):
+    print(sorted(fqn)[i])
+