new stuff on tschebyscheff and conic sections

4 files changed, 8 insertions, 8 deletions

diff --git a/buch/chapters/070-orthogonalitaet/images/jacobi.pdf b/buch/chapters/070-orthogonalitaet/images/jacobi.pdf
index 1504128..d1977f0 100644
--- a/buch/chapters/070-orthogonalitaet/images/jacobi.pdf
+++ b/buch/chapters/070-orthogonalitaet/images/jacobi.pdf
diff --git a/buch/chapters/070-orthogonalitaet/images/jacobi.tex b/buch/chapters/070-orthogonalitaet/images/jacobi.tex
index 2a53e75..e7d53a5 100644
--- a/buch/chapters/070-orthogonalitaet/images/jacobi.tex
+++ b/buch/chapters/070-orthogonalitaet/images/jacobi.tex
@@ -38,8 +38,8 @@
 	\end{scope}
 	\draw[->] (-6.1,0) -- (6.3,0) coordinate[label={$x$}];
 	\draw[->] (0,-2.55) -- (0,2.6) coordinate[label={right:$y$}];
-	\node at (6,2.3) [left] {$a=0$};
-	\node at (-6,2.3) [right] {$b=0$};
+	\node at (6,2.3) [left] {$\alpha=0$\strut};
+	\node at (-6,2.3) [right] {$\beta=0$\strut};
 	\draw ({-1*\dx},-0.1) -- ({-1*\dx},0.1);
 	\draw ({1*\dx},-0.1) -- ({1*\dx},0.1);
 	\node at ({1*\dx},-0.1) [below] {$1$};
@@ -70,8 +70,8 @@
 	\draw[->] (-6.1,0) -- (6.3,0) coordinate[label={$x$}];
 	\draw[->] (0,-2.55) -- (0,2.6) coordinate[label={right:$y$}];
 	\fill[color=white,opacity=0.8] (4.9,2.1) rectangle (5.9,2.5);
-	\node at (6,2.3) [left] {$a=1$};
-	\node at (-6,2.3) [right] {$b=0$};
+	\node at (6,2.3) [left] {$\alpha=1$\strut};
+	\node at (-6,2.3) [right] {$\beta=0$\strut};
 	\draw ({-1*\dx},-0.1) -- ({-1*\dx},0.1);
 	\draw ({1*\dx},-0.1) -- ({1*\dx},0.1);
 	\node at ({1*\dx},-0.1) [below] {$1$};
@@ -102,8 +102,8 @@
 	\end{scope}
 	\draw[->] (-6.1,0) -- (6.3,0) coordinate[label={$x$}];
 	\draw[->] (0,-2.55) -- (0,2.6) coordinate[label={right:$y$}];
-	\node at (6,2.3) [left] {$a=-1$};
-	\node at (-6,2.3) [right] {$b=0$};
+	\node at (6,2.3) [left] {$\alpha=-1$\strut};
+	\node at (-6,2.3) [right] {$\beta=0$\strut};
 	\draw ({-1*\dx},-0.1) -- ({-1*\dx},0.1);
 	\draw ({1*\dx},-0.1) -- ({1*\dx},0.1);
 	\node at ({1*\dx},-0.1) [below] {$1$};
diff --git a/buch/chapters/070-orthogonalitaet/images/weight.pdf b/buch/chapters/070-orthogonalitaet/images/weight.pdf
index 164af55..bd15f94 100644
--- a/buch/chapters/070-orthogonalitaet/images/weight.pdf
+++ b/buch/chapters/070-orthogonalitaet/images/weight.pdf
diff --git a/buch/chapters/070-orthogonalitaet/images/weight.tex b/buch/chapters/070-orthogonalitaet/images/weight.tex
index 796f09a..303a3ac 100644
--- a/buch/chapters/070-orthogonalitaet/images/weight.tex
+++ b/buch/chapters/070-orthogonalitaet/images/weight.tex
@@ -129,8 +129,8 @@
 			(0.6666,-1) rectangle (1,1);
 	\end{scope}
 	\draw[color=white,line width=0.5pt] \rand;
-	\draw[color=white,line width=0.5pt] ({-2/3},-1) -- ({-2/3},1);
-	\draw[color=white,line width=0.5pt] ({2/3},-1) -- ({2/3},1);
+	\draw[color=white,line width=0.8pt] ({-2/3},-1) -- ({-2/3},1);
+	\draw[color=white,line width=0.8pt] ({2/3},-1) -- ({2/3},1);
 \end{scope}
 
 \draw[->] (-1.1,0) -- (1.1,0) coordinate[label={$x$}];