There is by these names for decoding P-code.
: While often referred to as "encrypted," MathWorks officially defines P-coding as obfuscation . However, in modern versions (R2007b and later), the files are protected using more complex proprietary algorithms, and files in deployable archives may use AES-256 encryption . matlab pcode decoder7z 39link39
Use 7-Zip or another archive tool to extract the contents of the .7z file. There is by these names for decoding P-code