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In linear algebra, the cofactor (sometimes called adjunct) describes a particular construction that is useful for calculating both the determinant and inverse of square matrices. Specifically the cofactor of the entry of a matrix, also known as the 'cofactor of that matrix', is the signed minor of that entry.
Source: Boundless. "Cofactors, Minors, and Further Determinants." Boundless Algebra. Boundless, 06 Jul. 2016. Retrieved 27 Jul.
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What type of matrix is a vector?
Vector matrix has both size and direction. There are different types of matrix namely the scalar matrix, the symmetric matrix, the square matrix and the column matrix.
Is matrix polynomial and polynomial matrix same?
No. A matrix polynomial is an algebraic expression in which the variable is a matrix. A polynomial matrix is a matrix in which each element is a polynomial.
What is the inverse of the matrix 3?
It is the matrix 1/3It is the matrix 1/3It is the matrix 1/3It is the matrix 1/3
How do you call a matrix that if you multiplied it by the original matrix you would get the identity matrix?
That is called an inverse matrix
What is the definition of a null matrix?
The null matrix is also called the zero matrix. It is a matrix with 0 in all its entries.
What is matlab command for adjoint of a matrix?
In MATLAB, the command to compute the adjoint (or adjugate) of a matrix is not directly available as a built-in function. However, you can find the adjoint by calculating the matrix of cofactors and then transposing it. You can use the following code snippet for a matrix A: adjoint_A = transpose(cof(A)); Here, cof(A) would be a custom function that computes the matrix of cofactors for A.
Define bus incidence matrix?
explain bus incidence matrix.
Define sparse matrix?
A matrix that have one or more elements with value zero.
Define inverse of matrix?
From Wolfram MathWorld: The inverse of a square matrix A, sometimes called a reciprocal matrix, is a matrix A-1 such that AA-1=I where I is the identity matrix.
How i define Efficiency of human nature?
The Matrix.
Define an indempotent matrix?
The phrase "idempotent matrix" is an algebraic term. It is defined as a matrix that equals itself when multiplied by itself.
What are cofactors in cells and what are they derived from?
Cofactors are nonprotein additions that are needed for enzyme activity. Cofactors are derived from vitamins and minerals.
How do you write a C program to find the adjoint of a matrix?
To write a C program to find the adjoint of a matrix, first, you need to create a function to calculate the cofactor of each element in the matrix. Then, construct the adjoint by transposing the cofactor matrix. The program should read the matrix size and elements from user input, compute the cofactors using nested loops, and finally display the adjoint matrix by transposing the cofactor matrix. Make sure to handle memory allocation for dynamic matrices if needed.
Find matlab code for LQR function?
In MATLAB, you can use the built-in lqr function to compute the Linear Quadratic Regulator (LQR) gain matrix. The basic syntax is K = lqr(A, B, Q, R), where A is the state matrix, B is the input matrix, Q is the state weighting matrix, and R is the input weighting matrix. Ensure you define these matrices appropriately based on your system dynamics before calling the function. For example: A = [...]; % Define your A matrix B = [...]; % Define your B matrix Q = eye(size(A)); % State weighting R = 1; % Input weighting K = lqr(A, B, Q, R);
What is a service system design matrix?
The service system design matrix define the relationship between sales opportunity and production efficiency measured against the amount of human interactive .
How do find matrix inverse of 4cross 4matrix?
Next to your 4x4 matrix, place the 4x4 identity matrix on the right and adjoined to the one you want to invert. Now you can use row operations and change your original matrix on the left to a 4x4 identity matrix. Each time you do a row operation, make sure you do the same thing to the rows of the original identity matrix. You end up with the identity now on the left and the inverse on the right. You can also calculate the inverse using the adjoint. The adjoint matrix is computed by taking the transpose of a matrix where each element is cofactor of the corresponding element in the original matrix. You find the cofactor t of the matrix created by taking the original matrix and removing the row and column for the element you are calculating the cofactor of. The signs of the cofactors alternate, just as when computing the determinant
Did lactase activity depend upon the presence of cofactors?
Yes, lactase activity depends on the presence of cofactors such as magnesium and zinc ions to function optimally. These cofactors help stabilize the enzyme structure and facilitate the breakdown of lactose into glucose and galactose. Without these cofactors, lactase activity may be reduced.
