Bluebit Software Support Forum / Technical Support and Help / Matrix ActiveX Component / VB: Invalid procedure call / Latest PostsInstantForum.NET v4.1.4Bluebit Software Support Forumhttp://www.bluebit.gr/forum/support@bluebit.grWed, 08 Feb 2012 06:55:45 GMT20<link>http://www.bluebit.gr/forum/Topic42-1-1.aspx</link><description>It is ok TeOI .. don't worry and do post messages ! :-)</description><pubDate>Thu, 10 Feb 2005 16:59:24 GMT</pubDate><dc:creator>Trifon</dc:creator></item><item><title /><link>http://www.bluebit.gr/forum/Topic42-1-1.aspx</link><description>Hi Trifon,of course... i'm in shame. Stupid question, sorry about that.This is why one should allways think before sending messages :-)and thanx for quick answer.BR.-Tero-</description><pubDate>Thu, 10 Feb 2005 16:42:54 GMT</pubDate><dc:creator>TeOl</dc:creator></item><item><title /><link>http://www.bluebit.gr/forum/Topic42-1-1.aspx</link><description>HiI don't find it strange at all. You are trying to find the square root of a negative number; (-0.574) ^ - 0.5 is in the same as 1/Sqrt(-0.574) which raises the same error in visual basic.</description><pubDate>Thu, 10 Feb 2005 16:33:30 GMT</pubDate><dc:creator>Trifon</dc:creator></item><item><title>VB: Invalid procedure callhttp://www.bluebit.gr/forum/Topic42-1-1.aspxHi,strange things happened. Why is this code failing? Should be piece of case (basic math)... It seem that after calculation of eigenvalues, matrix d1 gets corrupted or something&gt; a_m_centered.CorrelationMatrix.Eigen e1, , d1&gt; Debug.Print d1(1, 1) ^ -0.5 'Invalid procedure call or argumentHere is the matrix&gt;? d1.GetString &gt;| -0.539 -0.281 0.296 0.736 0.000 |&gt;| -0.327 -0.574 0.414 -0.626 0.000 |&gt;| -0.523 0.431 -0.090 -0.182 0.707 |&gt;| 0.523 -0.431 0.090 0.182 0.707 |&gt;| 0.237 0.468 0.851 0.010 0.000 |Thu, 10 Feb 2005 16:18:45 GMTTeOl