use quarto, not Pluto to render pages

CwJ/integrals/area.jmd

@@ -14,7 +14,7 @@ using Roots
 
 using CalculusWithJulia.WeaveSupport
 
-fig_size = (600, 400)
+fig_size = (800, 600)
 using Markdown, Mustache
 
 const frontmatter = (
@@ -284,17 +284,13 @@ first $n$ natural numbers.
 
 With this expression, it is readily seen that as $n$ gets large this value gets close to $2/6 = 1/3$.
 
-```julia; echo=false
-note("""
+!!! note
+	The above approach, like Archimedes', ends with a limit being
+	taken. The answer comes from using a limit to add a big number of
+	small values. As with all limit questions, worrying about whether a
+	limit exists is fundamental. For this problem, we will see that for
+	the general statement there is a stretching of the formal concept of a limit.
 
-The above approach, like Archimedes', ends with a limit being
-taken. The answer comes from using a limit to add a big number of
-small values. As with all limit questions, worrying about whether a
-limit exists is fundamental. For this problem, we will see that for
-the general statement there is a stretching of the formal concept of a limit.
-
-""")
-```
 
 ----
 
@@ -897,17 +893,12 @@ derivative over $[a,b]$. This is significant, the error in $10$ steps
 of Simpson's rule is on the scale of the error of $10,000$ steps of
 the Riemann sum for well-behaved functions.
 
-```julia; echo=false
-note(L"""
-
-The Wikipedia article mentions that Kepler used a similar formula $100$
-years prior to Simpson, or about $200$ years before Riemann published
-his work. Again, the value in Riemann's work is not the computation of
-the answer, but the framework it provides in determining if a function
-is Riemann integrable or not.
-
-""")
-```
+!!! note
+	The Wikipedia article mentions that Kepler used a similar formula $100$
+	years prior to Simpson, or about $200$ years before Riemann published
+	his work. Again, the value in Riemann's work is not the computation of
+	the answer, but the framework it provides in determining if a function
+	is Riemann integrable or not.
 
 ## Gauss quadrature
 
@@ -1289,8 +1280,8 @@ choices = [
 "``p``",
 "``1-p``",
 "``p^2``"]
- ans = 3
-radioq(choices, ans)
+ answ = 3
+radioq(choices, answ)
 ```
 
 ###### Question
@@ -1303,8 +1294,8 @@ choices = [
 "``2^5/5 - 0^5/5``",
 "``2^4/4 - 0^4/4``",
 "``3\\cdot 2^3 - 3 \\cdot 0^3``"]
-ans = 2
-radioq(choices, ans)
+answ = 2
+radioq(choices, answ)
 ```
 
 
@@ -1344,8 +1335,8 @@ L"The area between $c$ and $b$ must be positive, so $F(c) < F(b)$.",
 "``F(b) - F(c) = F(a).``",
 L" $F(x)$ is continuous, so between $a$ and $b$ has an extreme value, which must be at $c$. So $F(c) \geq F(b)$."
 ]
-ans = 1
-radioq(choices, ans)
+answ = 1
+radioq(choices, answ)
 ```
 
 
@@ -1359,8 +1350,8 @@ choices = [
 "``10/100``",
 "``(10 - 0) \\cdot e^{10} / 100^4``"
 ]
-ans = 1
-radioq(choices, ans)
+answ = 1
+radioq(choices, answ)
 ```
 
 
@@ -1440,9 +1431,11 @@ The area under a curve approximated by a Riemann sum.
 #CalculusWithJulia.WeaveSupport.JSXGraph(:integrals, url, caption)
 # This is just wrong...
 url = "https://raw.githubusercontent.com/jverzani/CalculusWithJulia.jl/master/CwJ/integrals/riemann.js"
+url = "./riemann.js"
 CalculusWithJulia.WeaveSupport.JSXGraph(url, caption)
 ```
 
+
 The interactive graphic shows the area of a right-Riemann sum for different partitions. The function is
 
 ```math
@@ -1502,8 +1495,8 @@ L"around $10^{-2}$",
 L"around $10^{-4}$",
 L"around $10^{-6}$",
 L"around $10^{-8}$"]
-ans = 4
-radioq(choices, ans, keep_order=true)
+answ = 4
+radioq(choices, answ, keep_order=true)
 ```
 
 ###### Question