275 results for "matrices".
-
Question in Linear Algebra 1st year
A combination of tasks: checking which matrix products exist, calculating some of these products, calculating transpose matrices. Comparing product of transpose with transpose of product. Experiencing associativity of matrix multiplication. Not much randomisation, only in which matrix product is computed as second option.
Comprehensive solution written out in Advice.
-
Question in Linear Algebra 1st year
Find the size of a matrix.
-
Question in Linear Algebra 1st year
Finding a matrix from a formula for each entry, which involves the row and column numbers of that entry. Randomized size of the matrices and formula.
-
Question in Linear Algebra 1st year
Adding matrices of random size: two to four rows and two to four columns. Advice (i.e. solution) has conditional visibility to show only the correct size.
-
Question in Linear Algebra 1st year
Matrix addition, with the added test of whether they understand that only matrices of the same size can be added.
-
Question in Linear Algebra 1st year
simple sums of matrices and scalar mult of matrices.
-
Question in Linear Algebra 1st year
Calculate trace of a matrix. Fixed matrices as the same as in our workbook.
-
Question in Linear Algebra 1st year
Student can choose one of all possible matrix products from the matrices given. Meant for voluntary extra practice. No extensive solutions: referred to other questions for this.
-
Question in Linear Algebra 1st year
checking by size whether two matrices can be multiplied. Student either gives size of resulting product, or NA if matrices can't be multiplied.
-
Question in Linear Algebra 1st year
Decide if matrix sizes match so they can be added.
-
Question in Linear Algebra 1st year
A combination of tasks: checking which matrix products exist, calculating some of these products, calculating transpose matrices. Comparing product of transpose with transpose of product. Experiencing associativity of matrix multiplication. Not much randomisation, only in which matrix product is computed as second option.
Comprehensive solution written out in Advice.
-
Question in Linear Algebra 1st year
Finding a matrix from a formula for each entry, which involves the row and column numbers of that entry. Randomized size of the matrices and formula.
-
Question in Marie's linear algebra workspace
Multiplication of $2 \times 2$ matrices.
-
Question in Marie's linear algebra workspace
Find the determinant and inverse of three $2 \times 2$ invertible matrices.
-
Question in Marie's linear algebra workspace
Linear combinations of $2 \times 2$ matrices. Three examples.
-
Question in Hayley's workspace
Find the inverse of three $2 \times 2$ invertible matrices.
-
Question in Marie's linear algebra workspace
Choose which of 5 matrices are in a) row echelon form but not reduced b) reduced row echelon form c) neither.
-
Question in Lineare Algebra 1
Find a matrix whose associated linear map maps the unit square to the shown parallelogram. Match figures "of linear maps" with matrices.
-
Exam (9 questions) in NCDCS Unit 1 Intro to Matrices & Vectors
Assessment of NCDCS Unit 1 material.
-
Question in Marie's linear algebra workspace
Multiplication of $2 \times 2$ matrices.
-
Question in Marie's linear algebra workspace
Addition, subtraction and multiplication of 2 x 2 matrices and multiplication by a scalar.
(Last three parts of original question removed.)
-
Question in Marie's linear algebra workspace
Adding and subtracting two 3x3 matrices.
-
Exam (5 questions) in Marie's linear algebra workspace
Quiz to assess matrix addition, subtraction, multiplication and multiplication by scalar, determinants and inverses, solving a system of simultaneous equations.
-
Question in Marie's linear algebra workspace
Find the determinant and inverse of three $2 \times 2$ invertible matrices.
-
Question in Marie's linear algebra workspace
Elementary Exercises in multiplying matrices.
-
Question in Marie's linear algebra workspace
Find the determinant and inverse of three $2 \times 2$ invertible matrices.
-
Question in Marie's linear algebra workspace
Multiplication of $2 \times 2$ matrices.
-
Question in Marie's linear algebra workspace
Linear combinations of $2 \times 2$ matrices. Three examples.
-
Question in Marie's linear algebra workspace
Linear combinations of $2 \times 2$ matrices. Three examples.
-
Question in Marie's linear algebra workspace
aij notation and definition of the order of a matrix.