vault backup: 2024-09-09 13:50:18

.obsidian/workspace.json

@@ -23,11 +23,9 @@
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@@ -180,6 +178,9 @@
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+    "300s School/301. ME 2016 - Nonlinear Dynamical Systems 1/2024-09-09/ex2.png",
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@@ -223,7 +221,6 @@
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-    "4. Qualifying Exam/2. Writing/3. QE Research Approach.md",
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-    "4. Qualifying Exam/2. Writing/2. QE State of the Art.md"
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300s School/301. ME 2016 - Nonlinear Dynamical Systems 1/2024-09-09 Example.py

@@ -20,7 +20,23 @@ plt.plot(x,fx,'g-',x,zerox,'b-')
 
 plt.xlabel('x',fontsize = 15)
 plt.ylabel('y', fontsize = 15)
-plt.savefig("2024-09=09/ex1.png")
+plt.savefig("2024-09-09/ex1.png")
 
+#Integrating stuff!
+#Define the integration:
+def dx_dt(xx,t):
+    return[4.*xx[0]**2 -16.]
 
+f1 = plt.figure()
+f.set_figwidth(12)
+f.set_figheight(12)
 
+# forward integration in time, so we need a time span
+ts = np.linspace(0,3,1000)
+ic = 1
+xs = odeint(dx_dt, ic, ts)
+print(xs)
+
+plt.plot(ts,xs)
+plt.savefig("2024-09-09/ex2.png")
+plt.show()