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.
Yes, do write. That's what you always have to do when you have got a homework-program.
Did you know that memory allocation is not needed to display the matrix? However, the C program is to find the sum of all the elements.
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
int matrix[][]; // the matrix to find the max in int max = matrix[0][0]; int r,c; for(r = 0; r < 3; ++r) { for(c = 0; c < 3; ++c) { if(matrix[r][c] > max) { max = matrix[r][c]; } } } // max is now the maximum number in matrix
program to find maximum of two numbers using pointers
Write a program in c++ that take input in a integer matrix of size 4*4 and find out if the entered matrix is diagonal or not.
Yes, do write. That's what you always have to do when you have got a homework-program.
matrix
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You basically write a nested for loop (one for within another one), to copy the elements of the matrix to a new matrix.
Did you know that memory allocation is not needed to display the matrix? However, the C program is to find the sum of all the elements.
The Matrix Pill is a program to find the person still "jacked in" to the Matrix world
relationship between determinant and adjoint
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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
write a vb program to find the magic square
For first find an example program.