| Section WILA: What is Linear Algebra? | |
|---|---|
| Section SSLE: Solving Systems of Linear Equations | |
| EOPSS | Equation Operations Preserve Solution Sets |
| Section RREF: Reduced Row-Echelon Form | |
| REMES | Row-Equivalent Matrices represent Equivalent Systems |
| REMEF | Row-Equivalent Matrix in Echelon Form |
| RREFU | Reduced Row-Echelon Form is Unique |
| Section TSS: Types of Solution Sets | |
| RCLS | Recognizing Consistency of a Linear System |
| ISRN | Inconsistent Systems, $r$ and $n$ |
| CSRN | Consistent Systems, $r$ and $n$ |
| FVCS | Free Variables for Consistent Systems |
| PSSLS | Possible Solution Sets for Linear Systems |
| CMVEI | Consistent, More Variables than Equations, Infinite solutions |
| Section HSE: Homogeneous Systems of Equations | |
| HSC | Homogeneous Systems are Consistent |
| HMVEI | Homogeneous, More Variables than Equations, Infinite solutions |
| Section NM: Nonsingular Matrices | |
| NMRRI | Nonsingular Matrices Row Reduce to the Identity matrix |
| NMTNS | Nonsingular Matrices have Trivial Null Spaces |
| NMUS | Nonsingular Matrices and Unique Solutions |
| NME1 | Nonsingular Matrix Equivalences, Round 1 |
| Section VO: Vector Operations | |
| VSPCV | Vector Space Properties of Column Vectors |
| Section LC: Linear Combinations | |
| SLSLC | Solutions to Linear Systems are Linear Combinations |
| VFSLS | Vector Form of Solutions to Linear Systems |
| PSPHS | Particular Solution Plus Homogeneous Solutions |
| Section SS: Spanning Sets | |
| SSNS | Spanning Sets for Null Spaces |
| Section LI: Linear Independence | |
| LIVHS | Linearly Independent Vectors and Homogeneous Systems |
| LIVRN | Linearly Independent Vectors, $r$ and $n$ |
| MVSLD | More Vectors than Size implies Linear Dependence |
| NMLIC | Nonsingular Matrices have Linearly Independent Columns |
| NME2 | Nonsingular Matrix Equivalences, Round 2 |
| BNS | Basis for Null Spaces |
| Section LDS: Linear Dependence and Spans | |
| DLDS | Dependency in Linearly Dependent Sets |
| BS | Basis of a Span |
| Section O: Orthogonality | |
| CRVA | Conjugation Respects Vector Addition |
| CRSM | Conjugation Respects Vector Scalar Multiplication |
| IPVA | Inner Product and Vector Addition |
| IPSM | Inner Product and Scalar Multiplication |
| IPAC | Inner Product is Anti-Commutative |
| IPN | Inner Products and Norms |
| PIP | Positive Inner Products |
| OSLI | Orthogonal Sets are Linearly Independent |
| GSP | Gram-Schmidt Procedure |
| Section MO: Matrix Operations | |
| VSPM | Vector Space Properties of Matrices |
| SMS | Symmetric Matrices are Square |
| TMA | Transpose and Matrix Addition |
| TMSM | Transpose and Matrix Scalar Multiplication |
| TT | Transpose of a Transpose |
| CRMA | Conjugation Respects Matrix Addition |
| CRMSM | Conjugation Respects Matrix Scalar Multiplication |
| CCM | Conjugate of the Conjugate of a Matrix |
| MCT | Matrix Conjugation and Transposes |
| AMA | Adjoint and Matrix Addition |
| AMSM | Adjoint and Matrix Scalar Multiplication |
| AA | Adjoint of an Adjoint |
| Section MM: Matrix Multiplication | |
| SLEMM | Systems of Linear Equations as Matrix Multiplication |
| EMMVP | Equal Matrices and Matrix-Vector Products |
| EMP | Entries of Matrix Products |
| MMZM | Matrix Multiplication and the Zero Matrix |
| MMIM | Matrix Multiplication and Identity Matrix |
| MMDAA | Matrix Multiplication Distributes Across Addition |
| MMSMM | Matrix Multiplication and Scalar Matrix Multiplication |
| MMA | Matrix Multiplication is Associative |
| MMIP | Matrix Multiplication and Inner Products |
| MMCC | Matrix Multiplication and Complex Conjugation |
| MMT | Matrix Multiplication and Transposes |
| MMAD | Matrix Multiplication and Adjoints |
| AIP | Adjoint and Inner Product |
| HMIP | Hermitian Matrices and Inner Products |
| Section MISLE: Matrix Inverses and Systems of Linear Equations | |
| TTMI | Two-by-Two Matrix Inverse |
| CINM | Computing the Inverse of a Nonsingular Matrix |
| MIU | Matrix Inverse is Unique |
| SS | Socks and Shoes |
| MIMI | Matrix Inverse of a Matrix Inverse |
| MIT | Matrix Inverse of a Transpose |
| MISM | Matrix Inverse of a Scalar Multiple |
| Section MINM: Matrix Inverses and Nonsingular Matrices | |
| NPNT | Nonsingular Product has Nonsingular Terms |
| OSIS | One-Sided Inverse is Sufficient |
| NI | Nonsingularity is Invertibility |
| NME3 | Nonsingular Matrix Equivalences, Round 3 |
| SNCM | Solution with Nonsingular Coefficient Matrix |
| UMI | Unitary Matrices are Invertible |
| CUMOS | Columns of Unitary Matrices are Orthonormal Sets |
| UMPIP | Unitary Matrices Preserve Inner Products |
| Section CRS: Column and Row Spaces | |
| CSCS | Column Spaces and Consistent Systems |
| BCS | Basis of the Column Space |
| CSNM | Column Space of a Nonsingular Matrix |
| NME4 | Nonsingular Matrix Equivalences, Round 4 |
| REMRS | Row-Equivalent Matrices have equal Row Spaces |
| BRS | Basis for the Row Space |
| CSRST | Column Space, Row Space, Transpose |
| Section FS: Four Subsets | |
| PEEF | Properties of Extended Echelon Form |
| FS | Four Subsets |
| Section VS: Vector Spaces | |
| ZVU | Zero Vector is Unique |
| AIU | Additive Inverses are Unique |
| ZSSM | Zero Scalar in Scalar Multiplication |
| ZVSM | Zero Vector in Scalar Multiplication |
| AISM | Additive Inverses from Scalar Multiplication |
| SMEZV | Scalar Multiplication Equals the Zero Vector |
| Section S: Subspaces | |
| TSS | Testing Subsets for Subspaces |
| NSMS | Null Space of a Matrix is a Subspace |
| SSS | Span of a Set is a Subspace |
| CSMS | Column Space of a Matrix is a Subspace |
| RSMS | Row Space of a Matrix is a Subspace |
| LNSMS | Left Null Space of a Matrix is a Subspace |
| Section LISS: Linear Independence and Spanning Sets | |
| VRRB | Vector Representation Relative to a Basis |
| Section B: Bases | |
| SUVB | Standard Unit Vectors are a Basis |
| CNMB | Columns of Nonsingular Matrix are a Basis |
| NME5 | Nonsingular Matrix Equivalences, Round 5 |
| COB | Coordinates and Orthonormal Bases |
| UMCOB | Unitary Matrices Convert Orthonormal Bases |
| Section D: Dimension | |
| SSLD | Spanning Sets and Linear Dependence |
| BIS | Bases have Identical Sizes |
| DCM | Dimension of $\complex{m}$ |
| DP | Dimension of $P_n$ |
| DM | Dimension of $M_{mn}$ |
| CRN | Computing Rank and Nullity |
| RPNC | Rank Plus Nullity is Columns |
| RNNM | Rank and Nullity of a Nonsingular Matrix |
| NME6 | Nonsingular Matrix Equivalences, Round 6 |
| Section PD: Properties of Dimension | |
| ELIS | Extending Linearly Independent Sets |
| G | Goldilocks |
| PSSD | Proper Subspaces have Smaller Dimension |
| EDYES | Equal Dimensions Yields Equal Subspaces |
| RMRT | Rank of a Matrix is the Rank of the Transpose |
| DFS | Dimensions of Four Subspaces |
| Section DM: Determinant of a Matrix | |
| EMDRO | Elementary Matrices Do Row Operations |
| EMN | Elementary Matrices are Nonsingular |
| NMPEM | Nonsingular Matrices are Products of Elementary Matrices |
| DMST | Determinant of Matrices of Size Two |
| DER | Determinant Expansion about Rows |
| DT | Determinant of the Transpose |
| DEC | Determinant Expansion about Columns |
| Section PDM: Properties of Determinants of Matrices | |
| DZRC | Determinant with Zero Row or Column |
| DRCS | Determinant for Row or Column Swap |
| DRCM | Determinant for Row or Column Multiples |
| DERC | Determinant with Equal Rows or Columns |
| DRCMA | Determinant for Row or Column Multiples and Addition |
| DIM | Determinant of the Identity Matrix |
| DEM | Determinants of Elementary Matrices |
| DEMMM | Determinants, Elementary Matrices, Matrix Multiplication |
| SMZD | Singular Matrices have Zero Determinants |
| NME7 | Nonsingular Matrix Equivalences, Round 7 |
| DRMM | Determinant Respects Matrix Multiplication |
| Section EE: Eigenvalues and Eigenvectors | |
| EMHE | Every Matrix Has an Eigenvalue |
| EMRCP | Eigenvalues of a Matrix are Roots of Characteristic Polynomials |
| EMS | Eigenspace for a Matrix is a Subspace |
| EMNS | Eigenspace of a Matrix is a Null Space |
| Section PEE: Properties of Eigenvalues and Eigenvectors | |
| EDELI | Eigenvectors with Distinct Eigenvalues are Linearly Independent |
| SMZE | Singular Matrices have Zero Eigenvalues |
| NME8 | Nonsingular Matrix Equivalences, Round 8 |
| ESMM | Eigenvalues of a Scalar Multiple of a Matrix |
| EOMP | Eigenvalues Of Matrix Powers |
| EPM | Eigenvalues of the Polynomial of a Matrix |
| EIM | Eigenvalues of the Inverse of a Matrix |
| ETM | Eigenvalues of the Transpose of a Matrix |
| ERMCP | Eigenvalues of Real Matrices come in Conjugate Pairs |
| DCP | Degree of the Characteristic Polynomial |
| NEM | Number of Eigenvalues of a Matrix |
| ME | Multiplicities of an Eigenvalue |
| MNEM | Maximum Number of Eigenvalues of a Matrix |
| HMRE | Hermitian Matrices have Real Eigenvalues |
| HMOE | Hermitian Matrices have Orthogonal Eigenvectors |
| Section SD: Similarity and Diagonalization | |
| SER | Similarity is an Equivalence Relation |
| SMEE | Similar Matrices have Equal Eigenvalues |
| DC | Diagonalization Characterization |
| DMFE | Diagonalizable Matrices have Full Eigenspaces |
| DED | Distinct Eigenvalues implies Diagonalizable |
| Section LT: Linear Transformations | |
| LTTZZ | Linear Transformations Take Zero to Zero |
| MBLT | Matrices Build Linear Transformations |
| MLTCV | Matrix of a Linear Transformation, Column Vectors |
| LTLC | Linear Transformations and Linear Combinations |
| LTDB | Linear Transformation Defined on a Basis |
| SLTLT | Sum of Linear Transformations is a Linear Transformation |
| MLTLT | Multiple of a Linear Transformation is a Linear Transformation |
| VSLT | Vector Space of Linear Transformations |
| CLTLT | Composition of Linear Transformations is a Linear Transformation |
| Section ILT: Injective Linear Transformations | |
| KLTS | Kernel of a Linear Transformation is a Subspace |
| KPI | Kernel and Pre-Image |
| KILT | Kernel of an Injective Linear Transformation |
| ILTLI | Injective Linear Transformations and Linear Independence |
| ILTB | Injective Linear Transformations and Bases |
| ILTD | Injective Linear Transformations and Dimension |
| CILTI | Composition of Injective Linear Transformations is Injective |
| Section SLT: Surjective Linear Transformations | |
| RLTS | Range of a Linear Transformation is a Subspace |
| RSLT | Range of a Surjective Linear Transformation |
| SSRLT | Spanning Set for Range of a Linear Transformation |
| RPI | Range and Pre-Image |
| SLTB | Surjective Linear Transformations and Bases |
| SLTD | Surjective Linear Transformations and Dimension |
| CSLTS | Composition of Surjective Linear Transformations is Surjective |
| Section IVLT: Invertible Linear Transformations | |
| ILTLT | Inverse of a Linear Transformation is a Linear Transformation |
| IILT | Inverse of an Invertible Linear Transformation |
| ILTIS | Invertible Linear Transformations are Injective and Surjective |
| CIVLT | Composition of Invertible Linear Transformations |
| ICLT | Inverse of a Composition of Linear Transformations |
| IVSED | Isomorphic Vector Spaces have Equal Dimension |
| ROSLT | Rank Of a Surjective Linear Transformation |
| NOILT | Nullity Of an Injective Linear Transformation |
| RPNDD | Rank Plus Nullity is Domain Dimension |
| Section VR: Vector Representations | |
| VRLT | Vector Representation is a Linear Transformation |
| VRI | Vector Representation is Injective |
| VRS | Vector Representation is Surjective |
| VRILT | Vector Representation is an Invertible Linear Transformation |
| CFDVS | Characterization of Finite Dimensional Vector Spaces |
| IFDVS | Isomorphism of Finite Dimensional Vector Spaces |
| CLI | Coordinatization and Linear Independence |
| CSS | Coordinatization and Spanning Sets |
| Section MR: Matrix Representations | |
| FTMR | Fundamental Theorem of Matrix Representation |
| MRSLT | Matrix Representation of a Sum of Linear Transformations |
| MRMLT | Matrix Representation of a Multiple of a Linear Transformation |
| MRCLT | Matrix Representation of a Composition of Linear Transformations |
| KNSI | Kernel and Null Space Isomorphism |
| RCSI | Range and Column Space Isomorphism |
| IMR | Invertible Matrix Representations |
| IMILT | Invertible Matrices, Invertible Linear Transformation |
| NME9 | Nonsingular Matrix Equivalences, Round 9 |
| Section CB: Change of Basis | |
| CB | Change-of-Basis |
| ICBM | Inverse of Change-of-Basis Matrix |
| MRCB | Matrix Representation and Change of Basis |
| SCB | Similarity and Change of Basis |
| EER | Eigenvalues, Eigenvectors, Representations |
| Section OD: Orthonormal Diagonalization | |
| PTMT | Product of Triangular Matrices is Triangular |
| ITMT | Inverse of a Triangular Matrix is Triangular |
| UTMR | Upper Triangular Matrix Representation |
| OBUTR | Orthonormal Basis for Upper Triangular Representation |
| OD | Orthonormal Diagonalization |
| OBNM | Orthonormal Bases and Normal Matrices |
| Section CNO: Complex Number Operations | |
| PCNA | Properties of Complex Number Arithmetic |
| CCRA | Complex Conjugation Respects Addition |
| CCRM | Complex Conjugation Respects Multiplication |
| CCT | Complex Conjugation Twice |
| Section SET: Sets | |
