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 |
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 |
ZPCN |
Zero Product, Complex Numbers |
ZPZT |
Zero Product, Zero Terms |
CCRA |
Complex Conjugation Respects Addition |
CCRM |
Complex Conjugation Respects Multiplication |
CCT |
Complex Conjugation Twice |
Section SET: Sets |