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NewLinearAlgebraPaclet

Guides

  • Matrices

Symbols

  • AntidiagonallySymmetrizableMatrixQ
  • AntidiagonalMatrix
  • AntidiagonalMatrixQ
  • Antidiagonal
  • AntidiagonalTranspose
  • DesymmetrizedMatrix
  • DeTriangularizableMatrixQ
  • DeTriangularizeMatrix
  • HessianMatrix
  • JacobianMatrix
  • LeftArrowMatrix
  • LowerArrowMatrix
  • LowerRightTriangularize
  • LowerRightTriangularMatrixQ
  • MatrixSymmetrizability
  • PyramidMatrix
  • ReflectedDiagonalMatrix
  • RightArrowMatrix
  • TopArrowMatrix
  • UlamMatrix
  • UpperLeftTriangularize
  • UpperLeftTriangularMatrixQ
PeterBurbery`NewLinearAlgebraPaclet`
LeftArrowMatrix
​
LeftArrowMatrix
[matrix]
forms a left arrow matrix from
matrix
.
​
Examples  
(2)
Basic Examples  
(1)
A left arrow matrix:
In[1]:=
MatrixForm
LeftArrowMatrix

PyramidMatrix
[12]
Out[1]//MatrixForm=
1
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
0
0
0
0
0
0
0
0
1
2
3
0
0
0
0
0
0
0
0
0
1
2
3
4
0
0
0
0
0
0
0
0
1
2
3
4
5
0
0
0
0
0
0
0
1
2
3
4
5
6
0
0
0
0
0
0
1
2
3
4
5
6
0
0
0
0
0
0
1
2
3
4
5
0
0
0
0
0
0
0
1
2
3
4
0
0
0
0
0
0
0
0
1
2
3
0
0
0
0
0
0
0
0
0
1
2
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
Possible Issues  
(1)

SeeAlso
RightArrowMatrix
 
▪
TopArrowMatrix
 
▪
LowerArrowMatrix
RelatedGuides
▪
Matrices
RelatedLinks
▪
Beecrowd Programming Challenge 1189 Left Area
""

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