delete unused parameter in KdV tutorial of docs (#314)

ranocha · Jan 8, 2025 · f84205a · f84205a
1 parent e76553e
commit f84205a
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diff --git a/docs/src/tutorials/kdv.md b/docs/src/tutorials/kdv.md
@@ -63,7 +63,6 @@ function usol(t, x)
     μ = (xmax - xmin) / 2
     c = get_c()
     A = 3 * c
-    K = sqrt(1/c - 1)
     x_t = mod(x - c*t - xmin, xmax - xmin) + xmin - μ
 
     A / cosh(sqrt(3*A) / 6 * x_t)^2