| Line 11: |
Line 11: |
| | a_{11} & a_{12} & 0 & 0 & \cdots & \cdots & 0 & 0 \\ | | a_{11} & a_{12} & 0 & 0 & \cdots & \cdots & 0 & 0 \\ |
| | 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 & \cdots &\ddots & a_{n-2,n-1} & 0 \\ |
| | \vdots &\vdots &\ddots &\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 &\cdots & a_{n,n-1} & a_{nn}\\ | + | 0 & 0 & \cdots &\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. |