Erweiterung Analysis
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@@ -200,10 +200,10 @@ $(a + b)^n = sum^(n)_(k=0) binom(n,k) a^(n-k) b^k $ \
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$b_n -> +infinity$: $c_n <= b_n $, wenn $a_n -> +infinity$
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- Zwerlegen in Konvergente Teil folgen \
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(Vorallem bei $(-1)^n dot a_n$)
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]
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*L'Hospital*
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#bgBlock(fill: colorFolgen)[
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#subHeading(fill: colorFolgen)[L'Hospital]
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$x in (a,b): limits(lim)_(x->b)f(x)/g(x)$
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(Konvergenz gegen $b$, beliebiges $a$)
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@@ -218,7 +218,6 @@ $(a + b)^n = sum^(n)_(k=0) binom(n,k) a^(n-k) b^k $ \
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Kann auch Reksuive angewendet werden!
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Bei "$infinity dot 0$" mit $f(x)g(x) = f(x)/(1/g(x))$
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]
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#bgBlock(fill: colorFolgen)[
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@@ -331,28 +330,52 @@ $(a + b)^n = sum^(n)_(k=0) binom(n,k) a^(n-k) b^k $ \
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)
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]
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#colbreak()
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#bgBlock(fill: colorAbleitung)[
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#subHeading(fill: colorAbleitung)[Funktionen]
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Sei $f : [a,b] -> RR$, stetig auf $x in [a,b]$
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- *Zwischenwertsatz* \
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$=> forall y in [f(a), f(b)] exists text("min. ein") x in [a,b] : f(x) = y$ \
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_Beweiß für mindest. n Nst_
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- *Satze von Rolle* \
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diffbar $x in (a,b)$\
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$f(a) = f(b) => exists text("min. ein") x_0 in (a,b) : f'(x_0) = 0$
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_Beweiß für max. n Nst, durchWiederspruchsbweiß mit $f(a)=f(b)=0$ und Wiederholte Ableitung_
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- *Mittelwertsatz*
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diffbar $x in (a,b)$ \
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$f(x) = y, f : A -> B$
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*Injectiv (Monomorphismus):* one to one\
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$f(x) = f(y) <=> x = y quad$
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*Surjectiv (Epimorhismis):* Output space coverered \
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- $forall x in B : exists x in A : f(x) = y$
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*Bijektiv*
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injektiv UND Surjectiv $<=>$ Umkehrbar
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]
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#colbreak()
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#bgBlock(fill: colorAbleitung)[
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#subHeading(fill: colorAbleitung)[Funktionen Sätze]
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$f(x)$ diff'bar $=> f(x)$ stetig
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$f(x)$ stetig diff'bar $=> f(x)$ diff'bar, stetig UND $f'(x)$ stetig
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#line(length: 100%, stroke: 0.3mm)
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Sei $f : I =[a,b] -> RR$, stetig auf $x in I$
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- *Zwischenwertsatz* \
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$=> forall y in ["min", "max"] space exists text("min. ein") x in [a,b] : f(x) = y$ \
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_Beweiß für mindest. n Nst_
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- *Mittelwertsatz der Diff'rechnung* \
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diff'bar $x in (a,b)$ \
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$=> exists x_0 : f'(x_0)=(f(b) - f(a))/(a-b)$
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- *Monotonie* \
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$x in I : f'(x) < 0$: Streng monoton steigended \
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$x_0,x_1 in I, x_0 < x_1 => f(x_0) < f(x_1)$ \
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(Analog bei (streng ) steigned/fallended) \
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Konstante Funktion bei $f'(x) = 0$
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- *Mittelwertsatz der Integralrechnung*\
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- *Satze von Rolle* \
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diffbar $x in (a,b)$\
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$f(a) = f(b) => exists text("min. ein") x_0 in (a,b) : f'(x_0) = 0$\
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_Beweiß für max. n Nst, durchWiederspruchsbweiß mit $f(a)=f(b)=0$ und Wiederholte Ableitung_
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- *Hauptsatz der Integral und Diff'rechnung*
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]
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#bgBlock(fill: colorAbleitung)[
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@@ -401,7 +424,6 @@ $(a + b)^n = sum^(n)_(k=0) binom(n,k) a^(n-k) b^k $ \
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*Differenzierbarkeit*
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- $f(x)$ ist an der Stelle $x_0 in DD$ diffbar wenn \
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#MathAlignLeft($ f'(x_0) = lim_(x->x_0 plus.minus) (f(x_0 + h - f(x_0))/h) $)
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- $f(x)$ diffbar $=>$ $f(x)$ stetig
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- Tangente an $x_0$: $f(x_0) + f'(x_0)(x - x_0)$
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- Beste #underline([linear]) Annäherung
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- Tangente $t(x)$ von $f(x)$ an der Stelle $x_0$: $ lim_(x->0) (f(x) - f(x_0))/(x-x_0) -f'(x_0) =0 $
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@@ -470,6 +492,73 @@ $(a + b)^n = sum^(n)_(k=0) binom(n,k) a^(n-k) b^k $ \
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[$op("artanH")(x)$], [$1/(1 - x^2)$],
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)
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])
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#colbreak()
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#bgBlock(fill: colorAbleitung)[
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#subHeading(fill: colorAbleitung)[Extremstellen, Krümmung, Monotonie]
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*Monotonie* $forall x_0,x_1 in I, x_0 < x_1 <=> f(x_0) <= f(x_1)$
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Hinreichende: $f'(x) >= 0$ \
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Konstante Funktion bei $f'(x) = 0$
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*Streng Monoton*
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$forall x_0,x_1 in I, x_0 < x_1 <=> f(x_0) < f(x_1)$ \
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Notwendig: $f'(x) >= 0$ (Aber nicht hinreichend)
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*Extremstellen Kandiaten*
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1. $f'(x) = 0$
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2. Definitionslücken
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3. Randstellen von $DD$
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#grid(columns: (1fr, 1fr),
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gutter: 2mm,
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[
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*Minima*\
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$x_0,x in I : f(x_0) < f(x)$ \
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$f''(x) > 0 $ \
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$f'(x) : - space 0 space +$
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],
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[
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*Maxima*\
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$x_0,x in I : f(x_0) > f(x)$ \
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$f''(x) < 0$ \
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$f'(x) : + space 0 space -$
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],
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[
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*Wendepunkt*\
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$f''(x) = 0$ \
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$f'(x) : plus.minus space ? space plus.minus$
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],
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[
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*Stattelpunkt/Terrasenpunkt* \
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$f'''(x) != 0$
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$f''(x) = 0$ UND $f'(x) = 0$ \
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$f'(x) : plus.minus space 0 space plus.minus$ \
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],
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[
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*Extremstelle* \
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$f'(x) = 0$
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]
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)
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#grid(columns: (1fr, 1fr),
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gutter: 2mm,
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[
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*konkav* $f''(x) <= 0$ \ rechtsgekrümmt \
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Sekante liegt unter $f(x)$ \
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(eingebäult, von $y= -infinity$ aus)
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],
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[
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*konvex* $f''(x) >= 0$ \ linksgekrümmt \
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Sekante liegt über $f(x)$ \
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(ausgebaucht, von $y= -infinity$ aus)
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]
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)
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*Strange Konkav/Konvex* \
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Notwendig $f''(x) lt.gt 0$
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]
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#bgBlock(fill: colorIntegral, [
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@@ -552,12 +641,28 @@ $(a + b)^n = sum^(n)_(k=0) binom(n,k) a^(n-k) b^k $ \
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$abs(f(x)) <= g(x) => $ $f(x)$ konvergent
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])
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]
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#bgBlock(fill: colorAllgemein, [
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#bgBlock(fill: colorAllgemein, [
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#subHeading(fill: colorAllgemein, [Sin-Table])
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#sinTable
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])
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])
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#bgBlock(fill: colorAllgemein, [
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#subHeading(fill: colorAllgemein)[Bedingungen]
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#grid(columns: (1fr, 1fr),
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gutter: 2mm,
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inset: (left: 2mm, right: 2mm),
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$not "notwending" => not "Satz"$,
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$"hinreichend" => "Satz"$,
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$"Satz" => forall "notwending" $,
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$not "Satz" => forall not "hinreichend" $,
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$"notwending" arrow.r.double.not "Satz"$,
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$not "hinreichend" arrow.r.double.not "Satz"$,
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)
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])
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]
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#pagebreak()
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@@ -11,8 +11,8 @@
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top+center,
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text(
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body,
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size: 10pt,
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weight: "regular",
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size: 8pt,
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weight: "bold",
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style: "italic",
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)
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),
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@@ -30,15 +30,21 @@
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#let sinTable = [
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#let data = json("../sintable.json")
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#table(
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columns: data.at("x").len() + 1,
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columns: data.len(),
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rows: data.keys().len(),
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stroke: none,
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table.hline(stroke: (thickness: 0.3mm)),
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fill: (x, y) => if (calc.rem(y, 2) == 0) { color.lighten(gray, 50%) } else { white },
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..for (label) in data.keys() {
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([*#eval(label, mode: "math")*], table.hline(stroke: (thickness: 0.3mm)), )
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for i in data.at(label) {
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(eval(i, mode: "math"),)
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([*#eval(label, mode: "math")*], )
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},
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table.hline(stroke: (thickness: 0.3mm)),
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..for (i, v) in data.at("x").enumerate() {
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for (col) in data.keys() {
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(eval(data.at(col).at(i), mode: "math"),)
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}
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}
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)
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