Update matrix_free.md

JuliaSmoothOptimizers · Oct 13, 2024 · 466997f · 466997f
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commit 466997f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/src/matrix_free.md b/docs/src/matrix_free.md
@@ -267,7 +267,7 @@ end
 complex = false
 A = FFTPoissonOperator(n, L, complex)
 
-# Solve the linear system using CR
+# Solve the linear system using CG
 u_sol, stats = cg(A, f, atol=1e-10, rtol=0.0, verbose=1)
 
 # The exact solution is u(x) = -sin(x)