Reading MATLAB *.MAT files into Mathematica and vice versa

*To*: mathgroup at yoda.physics.unc.edu*Subject*: Reading MATLAB *.MAT files into Mathematica and vice versa*From*: mek at guinan.psu.edu (Mark E. Kotanchek)*Date*: Sun, 29 Aug 93 20:02:34 -0400

Hi, I also posted this to the USENET so I'll apologize for the extra copies some of you will see. Anyhow,..... I have approximately 230 MB of MATLAB *.MAT files residing on my NeXTstation which I need to use to test out some signal processing concepts. (The always anxiety provoking real-world data test!) The problem is that MATLAB isn't available for the NeXT (despite my pleas) and my Powerbook 170 which I use for MATLAB only has about 20 MB free on it. Since I exploit a summary statistic, I was hoping I could read the data into Mathematica, let it crunch the data down to a reasonable size, write out a *.MAT file, and let the Mac do its thing. (Eventually I'll get around to porting my algorithms over to Mma; however, MATLAB is better for algorithm development and the port will take some time.) Anyhow, I was hoping that someone had some advice (actually, functions ;) on this file translation problem. I checked mathsource at wri.com but came up empty. Failing that, I guess I'll have to break down and write some C-code so any experiences along those lines would be appreciated since the users guide documentation for my Mac MATLAB 3.5 is a little on the sparse side. I'd prefer to use Mma rather than C since I need to tweak some parameters in the compression process and I can make some of the decisions based upon graphical results. Thus, even if I adopt the C approach, I'll have to read the results into Mma as well as Mathematica. Thanks much, Mark. -- Mark Kotanchek Guidance & Control Dept - 363 ASB Applied Research Lab/Penn State P.O. Box 30 State College, PA 16804