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a_{21} & a_{22} & a_{23} &\cdots & \cdots & \cdots & 0 & 0 \\
a_{21} & a_{22} & a_{23} &\cdots & \cdots & \cdots & 0 & 0 \\
0 & a_{32} & a_{33} & \cdots &\ddots & a_{n-2,n-1} & 0 \\
0 & a_{32} & a_{33} & \cdots &\ddots & a_{n-2,n-1} & 0 \\
\vdots &\ddots & \ddots & \ddots & a_{n-1,n-1} & a_{n-1,n}\\
\vdots &\vdots &\ddots &\ddots & \ddots & \ddots & a_{n-1,n-1} & a_{n-1,n}\\
0 & 0 & \cdots &\cdots & a_{n,n-1} & a_{nn}\\
0 & 0 & \cdots &\cdots &\cdots & a_{n,n-1} & a_{nn}\\
\end{vmatrix}</math>
\end{vmatrix}</math>
*A general tridiagonal matrix is not necessarily symmetric or Hermitian,but tridiagonal matrix is a matrix that is both upper and lower Hessenberg matrix.
*A general tridiagonal matrix is not necessarily symmetric or Hermitian,but tridiagonal matrix is a matrix that is both upper and lower Hessenberg matrix.
*In Calci, MATRIX("tridiagonal") gives the tridiagonal matirx of order 3.
*In Calci, MATRIX("tridiagonal") gives the tridiagonal matirx of order 3.
*Users can change the order of the matrix.
*Users can change the order of the matrix.