rm unrecognized delimiter

Author: Carol-seven

README.Rmd

@@ -39,7 +39,7 @@ matrix, making them user-friendly and useful for researchers and practitioners.
 
 $$
 \hat{\Omega}(\lambda,\alpha,\gamma) = {\arg\min}_{\Omega \succ 0}
-\left\{ -\log\det(\Omega) + \text{tr}(S\Omega) + P_{\lambda,\alpha,\gamma}(\Omega) \right\},
+\{ -\log\det(\Omega) + \text{tr}(S\Omega) + P_{\lambda,\alpha,\gamma}(\Omega) \},
 $$
 $$
 P_{\lambda,\alpha,\gamma}(\Omega)

README.md

@@ -18,7 +18,7 @@ incorporate both element-wise and group-wise penalties to estimate a precision
 matrix, making them user-friendly and useful for researchers and practitioners.
 
 $$\hat{\Omega}(\lambda,\alpha,\gamma) = {\arg\min}_{\Omega \succ 0}
-\left\{ -\log\det(\Omega) + \text{tr}(S\Omega) + P_{\lambda,\alpha,\gamma}(\Omega) \right\},$$
+\{ -\log\det(\Omega) + \text{tr}(S\Omega) + P_{\lambda,\alpha,\gamma}(\Omega) \},$$
 
 $$P_{\lambda,\alpha,\gamma}(\Omega)
 = \alpha P^\text{individual}_{\lambda,\gamma}(\Omega) +

vignettes/pen_est.Rmd

@@ -42,7 +42,7 @@ Consider the following setting:
 
 $$
 \hat{\Omega}(\lambda,\alpha,\gamma) = {\arg\min}_{\Omega \succ 0}
-\left\{ -\log\det(\Omega) + \text{tr}(S\Omega) + P_{\lambda,\alpha,\gamma}(\Omega) \right\},
+\{ -\log\det(\Omega) + \text{tr}(S\Omega) + P_{\lambda,\alpha,\gamma}(\Omega) \},
 $$
 $$
 P_{\lambda,\alpha,\gamma}(\Omega)