Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
The function returns a boolean vector of size \$n\$. A truthy output is a vector comprised of only "true" (1) valueseig provides the eigenvalues in ascending order, otherwiseso if the first eigenvalue is a falsey output.
For exact results provide \$A\$ as a symbolic matrixgreater than zero, the other ones are too.
#Matlab, 1917 12 bytes
@(A)eig(A)>0
The function returns a boolean vector of size \$n\$. A truthy output is a vector comprised of only "true" (1) values, otherwise is a falsey output.
For exact results provide \$A\$ as a symbolic matrix.
#Matlab, 1917 12 bytes
@(A)eig(A)>0
The function eig provides the eigenvalues in ascending order, so if the first eigenvalue is greater than zero, the other ones are too.
