Author Archives: Chris Penningroth

MatLab

Posted on Sat, 23 September 2006 by Chris Penningroth

    MatLab is an extremely versatile program, it’s actually almost like another computer programming language.  It is far, far easier to perform arithmatic operations with it than FORTRAN.  It’s especially good at matrix operations.  Just type in the matrix, and … Continue reading →

Posted in Engineering | Comments Off on MatLab

Circumnavigation

Posted on Thu, 21 September 2006 by Chris Penningroth

    Yesterday marked yet another sort of "first" for me.  I flew from Tokyo to Frankfurt.  Since that flight goes over Russia, that means I’ve finally at least been a passenger across the entire globe.     I know my Father-in-law … Continue reading →

Posted in Asia/Pacific, Europe, Travel | Comments Off on Circumnavigation

Technology Update

Posted on Mon, 18 September 2006 by Chris Penningroth

    I just watched a class live via the Internet.  Then I called my brother, grandmother, and uncle via VOIP.       If you’d told me that you could do any of these things at all ten years ago, I’d’ve … Continue reading →

Posted in Internet | Comments Off on Technology Update

Happy Birthday!

Posted on Wed, 13 September 2006 by Chris Penningroth

    You know who you are!      I hope you had a great day! 

Posted in Family & Friends | Tagged | 2 Comments

A Rip in Heaven

Posted on Tue, 12 September 2006 by Chris Penningroth

    I took a little time to read A Rip in Heaven, by Jeanine Cummins.  Jeanine did a wonderful job relating the story of her family as they dealt with the assault and murder of her two cousins, Julie and … Continue reading →

Posted in Literature | Comments Off on A Rip in Heaven

Newton

Posted on Tue, 12 September 2006 by Chris Penningroth

    Sir Isaac Newton is at once something of a hero and the bane of my existence.  My latest problem has me trying to use integration by parts of natural exponentials and trigonometric functions.  The last time I had to … Continue reading →

Posted in Engineering | Comments Off on Newton

Lost and Found!

Posted on Fri, 08 September 2006 by Chris Penningroth

Jill’s been found, everyone! Praise the Lord!

Posted in "Downrange", USAF | 3 Comments

Please Help Me Find My Friend!

Posted on Thu, 07 September 2006 by Chris Penningroth

    If any of my readers are in the vicinity of Bishkek, Kyrgystan, please be on the lookout for Maj Jill Metzger — She’s been missing for a couple days now.  Report anything suspicious to AFOSI or Kyrgyz police.      … Continue reading →

Posted in "Downrange", USAF | Comments Off on Please Help Me Find My Friend!

Partial Fraction Expansion

Posted on Tue, 05 September 2006 by Chris Penningroth

    If anyone out there can explain how to perform partial fraction expansion of a couple polynomials, please call me! I’ve got a problem that’s giving me fits!

Posted in Engineering | 2 Comments

AOL

Posted on Mon, 04 September 2006 by Chris Penningroth

    Question of the Day:  If AOL service is basically free now, why do they keep requiring me to give them my credit card information in order to sign on?

Posted in Business, Internet | 2 Comments