* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetPPMatrix(PPMatrixType newPPMatrix, NotificationChain msgs) {
PPMatrixType oldPPMatrix = pPMatrix;
pPMatrix = newPPMatrix;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, _40Package.GENERAL_REGRESSION_MODEL_TYPE__PP_MATRIX, oldPPMatrix, newPPMatrix);
if (msgs == null) msgs = notification; else msgs.add(notification);
}