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Fixed typo in section #extremities (#255)

A comma was mistyped as dot in definition of B'(t) for cubic.
This commit is contained in:
Muhammad Ragib Hasin
2020-06-22 04:29:00 +06:00
committed by GitHub
parent e70e035392
commit 22cb811376

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@@ -32,7 +32,7 @@ First we turn our cubic Bézier function into a quadratic one, by following the
\[
\begin{array}{l}
B(t)\ uses\ \{ p_1,p_2,p_3,p_4 \} \\
B'(t)\ uses\ \{ v_1.v_2,v_3 \},\ where\ v_1 = 3(p_2-p_1),\ v_2 = 3(p_3-p_2),\ v_3 = 3(p_4-p_3)
B'(t)\ uses\ \{ v_1,v_2,v_3 \},\ where\ v_1 = 3(p_2-p_1),\ v_2 = 3(p_3-p_2),\ v_3 = 3(p_4-p_3)
\end{array}
\]