You need to set the parameter COMPLEX in your input file to 1, not add an XML attribute.

On Oct 30, 2012, at 2:08 PM, Forwordom mljphy@qq.com wrote:

Hi Yes, I take the following settings in the models.xml file in order to get site operator Sy <SITEOPERATOR name="Sx" complex="true" site"i">

<PARAMETER name="I" complex="true"/> (Splus(i)-Sminus(i))/2/I </SITEOPERATOR>

This setting resembles the standard setting of the site operator Sx in models.xml file

<SITEOPERATOR name="Sx" site"i"> (Splus(i)+Sminus(i))/2

</SITEOPERATOR>

But the error message (cannot evaluate I) reappears, and make the running stop. As a novice I don't know how to set it in details. Could you help me? Thanks

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湘潭大学材料与光电物理学院 孟利军 Lijun Meng 邮 箱：mljphy@qq.com 电 话：0731-58298612 地 址：中国、湖南省、湘潭市、湘潭大学 邮 编：411105

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