corrected typo

doc/pub/week42/html/._week42-bs062.html

@@ -422,7 +422,7 @@ $$
 $$
 
 <p>
-We note that \( \alpha_i=0 \) except for \( i\in \left{0,1,2\right} \) and \( \beta_i=0 \) except for \( i\in\left{0,1,2,3\right} \).
+We note that \( \alpha_i=0 \) except for \( i\in \left\{0,1,2\right\} \) and \( \beta_i=0 \) except for \( i\in\left\{0,1,2,3\right\} \).
 
 <p>
 We can then rewrite the coefficients \( \delta_j \) using a discrete convolution as

doc/pub/week42/html/week42-reveal.html

@@ -3291,7 +3291,7 @@ $$
 <p>&nbsp;<br>
 
 <p>
-We note that \( \alpha_i=0 \) except for \( i\in \left{0,1,2\right} \) and \( \beta_i=0 \) except for \( i\in\left{0,1,2,3\right} \).
+We note that \( \alpha_i=0 \) except for \( i\in \left\{0,1,2\right\} \) and \( \beta_i=0 \) except for \( i\in\left\{0,1,2,3\right\} \).
 
 <p>
 We can then rewrite the coefficients \( \delta_j \) using a discrete convolution as

doc/pub/week42/html/week42-solarized.html

@@ -3315,7 +3315,7 @@ $$
 $$
 
 <p>
-We note that \( \alpha_i=0 \) except for \( i\in \left{0,1,2\right} \) and \( \beta_i=0 \) except for \( i\in\left{0,1,2,3\right} \).
+We note that \( \alpha_i=0 \) except for \( i\in \left\{0,1,2\right\} \) and \( \beta_i=0 \) except for \( i\in\left\{0,1,2,3\right\} \).
 
 <p>
 We can then rewrite the coefficients \( \delta_j \) using a discrete convolution as

doc/pub/week42/html/week42.html

@@ -3320,7 +3320,7 @@ $$
 $$
 
 <p>
-We note that \( \alpha_i=0 \) except for \( i\in \left{0,1,2\right} \) and \( \beta_i=0 \) except for \( i\in\left{0,1,2,3\right} \).
+We note that \( \alpha_i=0 \) except for \( i\in \left\{0,1,2\right\} \) and \( \beta_i=0 \) except for \( i\in\left\{0,1,2,3\right\} \).
 
 <p>
 We can then rewrite the coefficients \( \delta_j \) using a discrete convolution as

doc/pub/week42/ipynb/week42.ipynb

@@ -3443,7 +3443,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "We note that $\\alpha_i=0$ except for $i\\in \\left{0,1,2\\right}$ and $\\beta_i=0$ except for $i\\in\\left{0,1,2,3\\right}$.\n",
+    "We note that $\\alpha_i=0$ except for $i\\in \\left\\{0,1,2\\right\\}$ and $\\beta_i=0$ except for $i\\in\\left\\{0,1,2,3\\right\\}$.\n",
     "\n",
     "We can then rewrite the coefficients $\\delta_j$ using a discrete convolution as"
    ]

doc/src/week42/week42.do.txt

@@ -2690,7 +2690,7 @@ We note first that the new coefficients are given as
 !et
 
 
-We note that $\alpha_i=0$ except for $i\in \left{0,1,2\right}$ and $\beta_i=0$ except for $i\in\left{0,1,2,3\right}$.
+We note that $\alpha_i=0$ except for $i\in \left\{0,1,2\right\}$ and $\beta_i=0$ except for $i\in\left\{0,1,2,3\right\}$.
 
 We can then rewrite the coefficients $\delta_j$ using a discrete convolution as
 !bt