Find a few eigenvalues and eigenvectors

C++ Prototype

mwArray eigs(const mwVarargin &in1,
             const mwArray &in2=mwArray::DIN,
             .
             .
             .
             const mwArray &in32=mwArray::DIN)

mwArray eigs(mwArray *out1,
             const mwVarargin &in1,
             const mwArray &in2=mwArray::DIN,
             .
             .
             .
             const mwArray &in32=mwArray::DIN);

mwArray eigs(mwArray *out1, mwArray *out2,
             const mwVarargin &in1,
             const mwArray &in2=mwArray::DIN,
             .
             .
             .
             const mwArray &in32=mwArray::DIN);

C++ Syntax

#include "matlab.hpp"

mwArray A, n, B, k, sigma, options; // Input argument(s)
mwArray D, flag;                    // Output argument(s) 
mwArray d, V;                       // Return value

d = eigs(A);
d = eigs("Afun",n);
d = eigs(A,B,k,sigma,options);
d = eigs("Afun",n,B,k,sigma,options);

V = eigs(&D,A);
V = eigs(&D,"Afun",n);
V = eigs(&D,A,B,k,sigma,options);
V = eigs(&D,"Afun",n,B,k,sigma,options);

V = eigs(&D,&flag,A);
V = eigs(&D,&flag,"Afun",n);
V = eigs(&D,&flag,A,B,k,sigma,options);
V = eigs(&D,&flag,"Afun",n,B,k,sigma,options);

MATLAB Syntax

d = eigs(A)
d = eigs('Afun',n)
d = eigs(A,B,k,sigma,options)
d = eigs('Afun',n,B,k,sigma,options)
[V,D] = eigs(A,...)
[V,D] = eigs('Afun',n,...)
[V,D,flag] = eigs(A,...)
[V,D,flag] = eigs('Afun',n,...)

See Also

MATLAB eigs     Calling Conventions