diff --git a/semester3/numcs/numcs-summary.pdf b/semester3/numcs/numcs-summary.pdf
index 28e796e..50e6a97 100644
Binary files a/semester3/numcs/numcs-summary.pdf and b/semester3/numcs/numcs-summary.pdf differ
diff --git a/semester3/numcs/numcs-summary.tex b/semester3/numcs/numcs-summary.tex
index 9a7ef4b..33b9b3e 100644
--- a/semester3/numcs/numcs-summary.tex
+++ b/semester3/numcs/numcs-summary.tex
@@ -97,7 +97,11 @@ The numbering should match the script's numbering exactly (apart from the cases
 \newsection
 \section{Trigonometrische Interpolation}
 \input{parts/01_interpolation/01_trigonometric/00_fourier.tex}
-\input{parts/01_interpolation/01_trigonometric/01_dft.tex}
+\input{parts/01_interpolation/01_trigonometric/01_dft/00_intro.tex}
+\input{parts/01_interpolation/01_trigonometric/01_dft/01_construction.tex}
+\input{parts/01_interpolation/01_trigonometric/01_dft/02_fftshift.tex}
+\input{parts/01_interpolation/01_trigonometric/01_dft/03_linalg.tex}
+\input{parts/01_interpolation/01_trigonometric/02_fft.tex}
 
 
 \end{document}
diff --git a/semester3/numcs/parts/01_interpolation/01_trigonometric/01_dft.tex b/semester3/numcs/parts/01_interpolation/01_trigonometric/01_dft/00_intro.tex
similarity index 100%
rename from semester3/numcs/parts/01_interpolation/01_trigonometric/01_dft.tex
rename to semester3/numcs/parts/01_interpolation/01_trigonometric/01_dft/00_intro.tex
diff --git a/semester3/numcs/parts/01_interpolation/01_trigonometric/01_dft/01_construction.tex b/semester3/numcs/parts/01_interpolation/01_trigonometric/01_dft/01_construction.tex
new file mode 100644
index 0000000..e69de29
diff --git a/semester3/numcs/parts/01_interpolation/01_trigonometric/01_dft/02_fftshift.tex b/semester3/numcs/parts/01_interpolation/01_trigonometric/01_dft/02_fftshift.tex
new file mode 100644
index 0000000..e69de29
diff --git a/semester3/numcs/parts/01_interpolation/01_trigonometric/01_dft/03_linalg.tex b/semester3/numcs/parts/01_interpolation/01_trigonometric/01_dft/03_linalg.tex
new file mode 100644
index 0000000..e69de29
diff --git a/semester3/numcs/parts/01_interpolation/01_trigonometric/02_fft.tex b/semester3/numcs/parts/01_interpolation/01_trigonometric/02_fft.tex
new file mode 100644
index 0000000..e69de29
diff --git a/semester3/numcs/parts/linAlgRecap.tex b/semester3/numcs/parts/linAlgRecap.tex
new file mode 100644
index 0000000..e69de29