From dba44787e6cb25c61301cdc7031e0acab9c72854 Mon Sep 17 00:00:00 2001
From: Niclas Rieger <45175997+nicrie@users.noreply.github.com>
Date: Mon, 2 Sep 2024 17:54:29 +0200
Subject: [PATCH] fix: alpha paramter in Hilbert CCA (#213)

---
 xeofs/cross/cca.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/xeofs/cross/cca.py b/xeofs/cross/cca.py
index 524777f..210b038 100644
--- a/xeofs/cross/cca.py
+++ b/xeofs/cross/cca.py
@@ -245,11 +245,11 @@ class HilbertCCA(HilbertCPCCA, ComplexCCA):
 
     This method solves the following optimization problem:
 
-        :math:`\\max_{q_x, q_y} \\left( q_x^T X^T Y q_y \\right)`
+        :math:`\\max_{q_x, q_y} \\left( q_x^H X^H Y q_y \\right)`
 
     subject to the constraints:
 
-        :math:`q_x^T (X^TX) q_x = 1, \\quad q_y^T (Y^TY) q_y = 1`
+        :math:`q_x^H (X^HX) q_x = 1, \\quad q_y^H (Y^HY) q_y = 1`
 
     where :math:`H` denotes the conjugate transpose and :math:`X` and :math:`Y`
     are the augmented data matrices.
@@ -335,7 +335,7 @@ def __init__(
         HilbertCPCCA.__init__(
             self,
             n_modes=n_modes,
-            alpha=[1.0, 1.0],
+            alpha=[0.0, 0.0],
             standardize=standardize,
             use_coslat=use_coslat,
             check_nans=check_nans,