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Catégorie :Category: nCreator TI-Nspire
Auteur Author: cheeseburgqr
Type : Classeur 3.0.1
Page(s) : 1
Taille Size: 1.79 Ko KB
Mis en ligne Uploaded: 25/08/2025 - 10:45:52
Uploadeur Uploader: cheeseburgqr (Profil)
Téléchargements Downloads: 1
Visibilité Visibility: Archive publique
Shortlink : https://tipla.net/a4826281
Type : Classeur 3.0.1
Page(s) : 1
Taille Size: 1.79 Ko KB
Mis en ligne Uploaded: 25/08/2025 - 10:45:52
Uploadeur Uploader: cheeseburgqr (Profil)
Téléchargements Downloads: 1
Visibilité Visibility: Archive publique
Shortlink : https://tipla.net/a4826281
Description
Fichier Nspire généré sur TI-Planet.org.
Compatible OS 3.0 et ultérieurs.
<<
=Ì Key Facts & Formulas · Order ofa matrix: rows × columns. · Equality: matrices must have same order + identical entries. · Addition/Subtraction: element-wise. · Multiplication: If and , then . · Determinant(2 × 2): . · Inverse(2 × 2): . · Identitymatrix: . · Matrixequation: . =Ý Worked Examples 4.1 Order of a matrix has 2 rows × 3 columns order . 4.2 Multiplication dimensions If and , then gives . So must be . 4.3 Elements of a matrix In element . 4.4 Linear combination If , find . 4.5 Solve for unknowns . Equating: . . 4.6 Scalar multiple If , then . 4.7 Determinant For : . 4.8 Inverse For : . 4.9 Simultaneous equations in matrix form . Matrix form: 4.10 Solve system with 3 variables . Matrix setup: Perform rowreduction (skipping tedious steps) solution: . =¡ Tip: Alwayscheck determinant ` 0 before attempting inverse method. 4.11 Matrix inverse check Given . Compute : So . 4.12 Equation with matrices Solve . Made with nCreator - tiplanet.org
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Compatible OS 3.0 et ultérieurs.
<<
=Ì Key Facts & Formulas · Order ofa matrix: rows × columns. · Equality: matrices must have same order + identical entries. · Addition/Subtraction: element-wise. · Multiplication: If and , then . · Determinant(2 × 2): . · Inverse(2 × 2): . · Identitymatrix: . · Matrixequation: . =Ý Worked Examples 4.1 Order of a matrix has 2 rows × 3 columns order . 4.2 Multiplication dimensions If and , then gives . So must be . 4.3 Elements of a matrix In element . 4.4 Linear combination If , find . 4.5 Solve for unknowns . Equating: . . 4.6 Scalar multiple If , then . 4.7 Determinant For : . 4.8 Inverse For : . 4.9 Simultaneous equations in matrix form . Matrix form: 4.10 Solve system with 3 variables . Matrix setup: Perform rowreduction (skipping tedious steps) solution: . =¡ Tip: Alwayscheck determinant ` 0 before attempting inverse method. 4.11 Matrix inverse check Given . Compute : So . 4.12 Equation with matrices Solve . Made with nCreator - tiplanet.org
>>
