Harvard University
Substitution Matrices: Harvard University
Substitution matrices can be used to align two protein sequences.
Purple Math
Purplemath: Systems of Linear Inequalities
This Purplemath lesson describes how to solve a system of linear inequalities by graphing.
Purple Math
Purplemath: Introduction to Matrices / Matrix Size
Purplemath gives the fundamentals of matrices. Begins with linear equations of three variables and shows the corresponding matrix. Discusses the augmented and coefficient matrix formed from the equation. The size of a matrix and special...
Purple Math
Purplemath: Determinant Word Problems
Matrix determinants can be used to solve many algebra and geometry word problems. Among them: finding the area of a triangle, finding the area of a parallelogram, and finding the equation of a line between two points. These three...
Purple Math
Purplemath: Determinants
A complete lesson on matrix determinants is offered here. From explanation of what a determinant is to how to find the determinant of a 2x2 or 3x3 matrix. Steps are written in and shown for the student or teacher's use. Also provided are...
University of St. Andrews (UK)
University of St. Andrews: History of the Matrix
This educational site from the University of St. Andrews contains information regarding the origins of the matrix. Some samples of the types of matrices used back in the earlier days are provided.
Curated OER
Egin{displaymath}a = Left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}a^{t} = Left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}a= Left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}left(#8;egin{array}{rrrr}
This lesson contains pertinent information regarding elementary operations for matrices. Step by step procedure makes completing the matrix easy.
Curated OER
Egin{displaymath}left(#8;egin{array}{rrr}
This lesson explains how the determinant is used for Cramer's Rule.
Curated OER
Egin{displaymath}leftvert#8;egin{array}{rrr}
This lesson explains how the determinant is used for Cramer's Rule.
Curated OER
Egin{displaymath}x = Frac{1}{9} Leftvert#8;egin{array}{rrr}
This lesson explains how the determinant is used for Cramer's Rule.
Curated OER
Egin{displaymath}left{ #8;Egin{array}{lll}
In this lesson, the Gaussian Elimination method is used to solve systems of linear equations. Provides several formulas and examples for understanding.
Curated OER
Egin{displaymath}left{ #8;Egin{array}{lll}
In this lesson, the Gaussian Elimination method is used to solve systems of linear equations. Provides several formulas and examples for understanding.
Curated OER
Egin{displaymath}left{ #8;Egin{array}{lll}
In this lesson, the Gaussian Elimination method is used to solve systems of linear equations. Provides several formulas and examples for understanding.