User Portlet

Peter Willis

Discussions

Have Mathematica V 1.0 5.25" Diskette I have a copy of version 1.0 on 5.12" floppy diskette from 1988. Is this of any historical significance or collectable? On second thought, it looks like it's a demo disk for version 1.0. Here's a picture of the disk. ![enter image description... AUTHOR: Peter Willis 13930VIEWS 1REPLIES 9 years ago
Is There an APA 6 Template Available for Writing Papers Hello, Does anyone know if there is an APA 6 format (specifically) template available for quickly laying out journal articles? Thanks, AUTHOR: Peter Willis 7077VIEWS 1REPLIES 10 years ago
How Do I Get the File Write Size of A Specific Mathematica Data Type? Hello, I would like to use StreamPos[] to seek through a binary file in "Real32" sized chunks. I can calculate the offset of the data in the stream and move by "Character8" positions. How do I get the file size of a "Real32" or any other non... AUTHOR: Peter Willis 5625VIEWS 3REPLIES 10 years ago
How Can I Calculate Inverse Principal Components The function 'PrincipalComponents' produces components for a list of vectors. After I modify the components how can I reverse the transform? Is there an inverse transoform? Thanks, P AUTHOR: Peter Willis 4645VIEWS 1REPLIES 12 years ago