Update math_4.html

tamachika · May 22, 2021 · 39bb34e · 39bb34e
1 parent 8a79c3c
commit 39bb34e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/math_4.html b/math_4.html
@@ -83,7 +83,7 @@
 
             \| f - \Sigma^{N}_{n=-N}\sqrt{2\pi}c_{n}[f]\varphi_{n} \|^{2}_{L^{2}(-\pi,\pi)}  &\leq 
             \| f - \Sigma^{N}_{n=-N}\sqrt{2\pi}d_{n}[f]\varphi_{n} \|^{2}_{L^{2}(-\pi,\pi)} \\\\
-            2\pi\Sigma^{N}_{n=-N} |c_{n}[f]| &\leq \int_{-\pi}^{\pi} |f(x)|^{2} dx
+            2\pi\Sigma^{N}_{n=-N} |c_{n}[f]|^{2} &\leq \int_{-\pi}^{\pi} |f(x)|^{2} dx
 
             \end{eqnarray}
             \]