Install libslepc-complex-3.7.4-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libslepc-complex-3.7.4-dev
Scalable Library for Eigenvalue Problem Computations
SLEPc is a software library for the solution of large scale sparse eigenvalue problems on parallel computers. It is an extension of PETSc and can be used for either standard or generalized eigenproblems, with real or complex arithmetic. It can also be used for computing a partial SVD of a large, sparse, rectangular matrix. . This package contains the static libraries, shared links, and header files for SLEPc with complex numbers.