<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_1_1422627650375_2477" dir="ltr">Dear all,</div><div dir="ltr">I begin to learn GSASII recently, and I wonder wether anyone refines texture parameter. It can run for the same data in GSAS, but it appears a sigular matric note when I refine the texture parameters in GSASII. what is wrong with my set? Anyone can help me? Thanks very much!</div><div dir="ltr"> </div><div dir="ltr">Sincerely, Daxu,</div><div dir="ltr"> </div><div dir="ltr">IGGCAS, Beijing, China.<br></div></div></body></html>