adding dft slides

doc/LectureNotes/_build/html/week40.html

@@ -333,6 +333,16 @@ const thebe_selector_output = ".output, .cell_output"
    Week 42 Constructing a Neural Network code with introduction to Tensor flow
   </a>
  </li>
+ <li class="toctree-l1">
+  <a class="reference internal" href="exercisesweek43.html">
+   Exercises weeks 43 and 44
+  </a>
+ </li>
+ <li class="toctree-l1">
+  <a class="reference internal" href="week43.html">
+   Week 43: Deep Learning: Constructing a Neural Network code and solving differential equations
+  </a>
+ </li>
 </ul>
 <p aria-level="2" class="caption" role="heading">
  <span class="caption-text">
@@ -1446,15 +1456,15 @@ function.</p>
 </div>
 <div class="cell_output docutils container">
 <div class="output stream highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>Own inversion
-[[4.42484459]
- [2.65626992]]
-Eigenvalues of Hessian Matrix:[0.30361418 4.06484621]
+[[3.88391015]
+ [3.15024162]]
+Eigenvalues of Hessian Matrix:[0.29734306 4.63081005]
 theta from own gd
-[[4.42484459]
- [2.65626992]]
+[[3.88391015]
+ [3.15024162]]
 theta from own sdg
-[[4.53049637]
- [2.68581655]]
+[[3.92822216]
+ [3.17648722]]
 </pre></div>
 </div>
 <img alt="_images/week40_25_1.png" src="_images/week40_25_1.png" />