Why do I get LAPACK and BLAS loading errors when trying to use functions in MATLAB?

Why do I get the following error when I try to use certain functions in MATLAB?

LAPACK loading error:
mkl.dll: mkl.dll is not a valid Win32 application

BLAS loading error:
mkl.dll: mkl.dll is not a valid Win32 application.

Answer 1

[MathWorks Support Team]

This error can occur with a corrupted mkl.dll file.

A clean reinstall of MATLAB is recommended, as other files could also be corrupt.

For instructions on how to complete a clean reinstall, refer to the following article:

How do I perform a clean installation of MATLAB?