Maths - Matrices

10,803 results

maths
If two matrices are known and are inverse of each other.How can we use these matrices to find the point of intersections for the given set of 3D planes? Kindly help

linear algebra
if: A and B are matrices and A^2 is similar to B^2 Is A guaranteed to be similar to B? ------- Matrix similarity means that the matrices are identical if one of the matrices is converted to another basis. If matrices C and D are similar: C = P^-1 * D * P where P converts from ...

Maths - Matrices
Given: |4 -2| X = 2|-4 -4| |-1 1| | 2 2| What is X? I solved this and couldn't get an answer - that is, the result was undefined/null, as it didn't like how the multiplication worked. I got this for every way I tried doing it, including by transposing the matrices and solving ...

matrices
Two matrices can be multiplied only if their sizes are compatible. Suppose that U is an m × n matrix, and that V is a p × q matrix. In order for U•V to make sense, what must be true of the dimensions of these matrices? Although matrix multiplication uses dot products, it ...

math
Which of the following subsets of the vector space Mnn are subspaces? (a) The set of all n × n symmetric matrices (b) The set of all n × n diagonal matrices (c) The set of all n × n nonsingular matrices

Matrices (math)
0.433= (45.6*A) + (3.152*B) 0.3363= (11.92*A) + (37.675*B) Solve for A and B using matrices

Data management
Problems solving with Matrices [-3 1] * [ 4 7 0] 2 5 -3 -5 1 I'm stuck with this matrices. Please help me~~

Matrices
Solve the system using matrices. Show all the row operations that you use. 3x-9y=30 2x+5y= -2

maths
x and y are two matrices x= {-2 0} and y {4 -1} {5 1} {3 7} evaluate x^2+y is the ans={8 -1} {18 8}

solve using matrices x+3y-3z=12 3x-y+4z=0 -x+2y-z=1

Math: matrices
If A and B are both square n x n matrices, If AB = I, prove BA = I Presumably you have to do this without using the usual properties of the inverse of matrices. But we do need to use that if there exists a matrix B such that A B = I then the equation A X = 0 has the unique ...

maths
solve the following simultaneous equations using matrices 3x-6y=24 and -4x+5y=-23

Maths
Let A,B and C be matrices such that A=(1 2 3 1 2 3) , B=(1 2 2 4 2 3) and C=AB. What is the sum of all the elements (entries) of matrix C?

maths (matrices)
Find the value of a in the determinant of {6 3] [4 a] is a)6 b)3 c) 0 d)-12 (have the answers just need to know the working to get it)

Mathematics
write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

Mathematics
write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

Mathematics
write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

Mathematics
write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

Mathematics
write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

Maths
7i1 + 9i2 = 3 5i1 + 7i2 = 1 where i1 and i2 represent current. Find the values of i1 and i2 using matrices. ? any help thanks

Algebra II
Can a matrix have a two digit number? I have to add the matrices[3 4] +[2 7] [7 6] +[3 8] Sorry this is the only way I know haw to put matrices on the board.

Linear algebra
find the inverse of the following matrices if they exist. [1 -2 3] [3 1 0] [-2 1 1] the following represent a 3 x 3 matrices

Math (matrices)
No one answered my matrix question. Let me rephrase: Let A, B, and 0 be 2x2 matrices. Assuming that A is invertible and 0 is all zeroes, what is the inverse of the matrix [A|0] [B|A] (that is a 4x4 matrix represented as 4 2x2 matrices) The answer is in the form: [A^-1|0 ] [C |...

math
step by step how do we find the value of x and y in this matrices by the law of matrices (3 2 4 0) (x y)=(7 12)

math
step by step how do we find the value of x and y in this matrices by the law of matrices (3 2 4 0) (x y)=(7 12)

Math
I have a few questions about T-Matrix. In excel, I am suppose to work with powered matrices to construct a weighted T matrix, using a scalar of .7. Does this mean I multiply each of the powered matrices by .7? Or do I power the powered matrices by .7? Or am I completely off ...

maths
For each of the following linear transformations, write down its matrix and describe the transformation a) g(x,y)=(4x,6y) b) h(x,y)=(x+2y,y) c) k(x,y)=(y,x) so I have worked out the matrices: (4 0 0 6) (1 2 0 1) (0 1 1 0) Not sure what the transformations would be?

math
Two matrices can be multiplied only if their sizes are compatible. Suppose that U is an m × n matrix, and that V is a p × q matrix. In order for U•V to make sense, what must be true of the dimensions of these matrices? Although matrix multiplication uses dot products, it ...

Maths - Matrices
I'm having trouble with doing this matrix proof The question is "Given some matrix A has the property A*2=A^-1, show that determinant A = 1, i.e |A| = 1" I've tried for ages, but I can't seem to do it, this is what I got to A^2= A^-1 |A^2| = |A^-1| |A|^2 = 1/|A| Can someone ...

Maths: Algebra Matrices Class 12th
matrix{{0, 1, -1}, {2, 1, 3}, {1, 1, 1}} matrix{{1, -1, x}} matrix{{0}, {1}, {1}}=0 Find the value of x Don't give me the direct answer. Please tell me how to go about this. Draw in your notebook and then solve

Math
Matrices are as follows reading left to right: X=MatrixForm{{0,1},{1,0}} Y=MatrixForm{{0,-i},{i,0}} Z=MatrixForm{{1,0},{0,-1}} H=MatrixForm 1/sqrt(2){{1,1},{1,-1}} S=MatrixForm{{1,0},{0,i}} T=MatrixForm{{1,0},{0,exp(i(pi)/4)}} v=MatrixForm{{alpha},{beta}} Show by computation ...

maths
a matrix X has a+b rows and a+2 columns while the matrix Y has b+1 rows and a+3 columns. both matrices XY and YX exist. find a and b. can you say XY and YX sre of same type? are they equal?

math
What does it mean to have two matrix variables written vertically inside parentheses? In other words, if A and B are matrices, what does this mean (imagine there is one set of parentheses spanning both rows): (A) (B) I'm trying to understand a least squares problem like this...

Algebra II (Matrices)
My book doesn't solve it like a linear equation, they solve it by using inverse matrices. Solve the matrix equation: |4 -5||m|=|32| |1 2| |n|=|-5| A= |4 -5| |1 2| X= |m| |n| B= |32| |-5| Step 1. Find the inverse of the coefficient matrix. A^-1= 1/13|2 5| |-1 4| (I get confused...

Math
There are 18 animals in the barnyard. There are 50 legs. How many cows and how many chickens are there in the barnyard? Technically, I wonder if a chicken is an animal. And are chickens and cows the ONLY "animals" in the barnyard. If we assume a chicken is an animal and that ...

Maths
Question(1):Show that the curve y=x^2-3x-5 passes through the point (5,5),(4,-1),(2,-7),(0,-5) and (-t,5) calculate the gradient at each pont. question(2):given a 5by5 matrices with determinant equal zero and the same determinant of its interior element equals zero question(3...

Precalculus
Find the values of x and y. Matrices.. [-4 2 3 5 3 5 2 -3 1] TIMES [2 x 5] EQUALS [9 38 y] It is difficult for me to type the matrices in but.... The first matrix is 3x3 consisting of -4,2,3 in the first row.. 5,3,5 in the second row ......2,-3,1 in the third row... Then ...

Pre Calculas
7. For the function defined by: f(x)= {x^2, x<=1} {2x+1, x>1} a. evaluate f(0) 8. Solve the following system of equations algebraically. Verify your solution either graphically or by using matrices. 3x-y=0 5x+2y=22 9. Solve the following system of equations algebraically...

Hall
how do you do matrices

math
Why is (AB)^-1 = B^-1A^-1 in matrices, and not (AB)^-1 = A^-1B^-1

math
matrices

math
4x-y+z=-5 2x+2y+3z=10 5x-2y+6z=1 solving x,y,z with Matrices

math
(3 2 4 0) (x y)=(7 12) find x and y in this matrices

math
4x-y-3z=8 2x+2y-z=3 6x+y-3z=2 help me solve matrices

matrices
Given B = 0 1 0 0 0 1 1 0 0 , show that B^3 = I

math
solve system by matrices 2x+3y-z=-8 x-y-z=-2 -4x+3y+z=6

math
solve this system by matrices 2x+3y-z=-8 x-y-z=-2 -4x+3y+z=6

math
linear matrices? how to solve?

math
(B-C)^2=(C-B)^2, Where B and C are (n x n) in matrices.Is it true or false.

math
Solved problems on matrices

matrices
find the sum or differnce [ -2 -1 7 ] [ -2 0 8 ] [0 -3 2 ] + [-9 5 -1 ]

algebra. help!
MATRICES What is the sum of [3/4 -2/-3]+[-5/3 -4/-2]? a. [-8/1 2/6] b. [-2/7 2/-1] c. [2/-7 6/5] d. [-2/7 -6/-5]** What is the difference of [3/4 -2/-3]-[2/7 -5/12] a. [-3/-1 3/7] b. [1/-3 3/-15] c. [-3/3 -3/15]** d. [-1/3 3/-15]

Math
The Mountain Trail Resort sold 64 condominiums last year, all 1, 2, or 3 bedroom condominiums. The total revenue from the sale of the condominiums was \$5,493,000. The combined square footage of all the condominiums sold was 51,544 square feet. One bedroom condominiums sold for...

MATH!
The Mountain Trail Resort sold 64 condominiums last year, all 1, 2, or 3 bedroom condominiums. The total revenue from the sale of the condominiums was \$5,493,000. The combined square footage of all the condominiums sold was 51,544 square feet. One bedroom condominiums sold for...

MATH!
The Mountain Trail Resort sold 64 condominiums last year, all 1, 2, or 3 bedroom condominiums. The total revenue from the sale of the condominiums was \$5,493,000. The combined square footage of all the condominiums sold was 51,544 square feet. One bedroom condominiums sold for...

Algebra II
Solve this system using matrices. 3.7x - 2.3y + 4.2z = 8 2.6x + 4.6y - 3.9z = 10 8x + 2z = 20

math
matrices: A=[-5 4 -6 B=[-2 4 -5 9 -8 7 8 9 3 4 -3 9] 5 -2 2] AB=? please show the work if you can.

math
matrices: A=[-5 4 -6 9 -8 7 4 -3 9] B=[-2 4 -5 8 9 3 5 -2 2] AB=? please show work if you can.

math
how will you solve these equations using matrices x+y=1 and 3x-2y=4/3

math
(B-C)^2=(C-B)^2 ,where B and C are (n x n) matrices.what is the answer, it is true or false

Matrices
Gaussian row elimination method: (i) x+3y+z=4 x-2y-2z=3 2x+y-z=9 (ii) x+2z+y=0 2x+y+z=6 3x+3y+2z=14

MathJ.C.
Solve the system using matrices 4x+2y=2 5x+8y=30

math
A and B are two matrices. If A= 1 2 4 3 Find B given that A^2 = A +B

math (matrices)
Find the values of x and y for which: [2y+5] [x-1] [y - 2] = [ 3x ] is true. a. (-1, -1) b. (-2, -4) c. (5, 1) d. (-1, 4) I got B...?

MATH
Perform the operation for each equation, if there is a solution (Matrices) [4k -8y ] [5k+6y 2k+1] [6z - 3x] - [2z+5x z+4] [2k + 5a] [4k+6a 3a+2]

calc
Find the inverse of each of the following matrices, if possible [i 3 1+i -i]

ALGEBRA MATRICES HELP

Math.
The Mountain Trail Resort sold 64 condominiums last year, all 1, 2, or 3 bedroom condominiums. The total revenue from the sale of the condominiums was \$5,493,000. The combined square footage of all the condominiums sold was 51,544 square feet. One bedroom condominiums sold for...

Analytic Geometry
Solve each equation using augmented matrices. 2x+y-2z=7 x-2y-5z=-1 4x+y+z=-1

math
Solve the following matrices.(sORRY I DON'T KNOW HOW TO DO THE BRACKETS) B= 1, -4 -2, 1 3, 0 D= 0, 1 1, 0 G= -3, 1 4, 5 FIND: a) DG = b) GD = c) BG = d) DD = e) GG =

math
Solve the following system of equations using matrices x = -2y + 6 2x + 2y = 16

Math
solve the following system of equations using matrices 4x-2y=7 7x+y=13

calc
Is the matrix 6 0 0 5 a linear combination of the matrices 1 0 0 1 and 1 0 0 0 ? how do you figure this out?

algebra
solve the set of linear equations by the matrices method: a+3b+2c=3, 2a-b-3c=-8,5a+2b+c=9

math
slove the game with following pay-off 3*3 matrices:((2,3,1/2)(3/2,2,0)(1/2,1,1))

math
Find values of x and y, if any, that will make the matrices equal. [ x y ] = [ 3 5 ] 1 9 1 9 a. x=-3,y=-5 b. x=5,y=3 c. x=-3,y=5 d. x=3,y=5 e. no solution

algebra 2--matrices.
A grocer wants to m,ix three kinds of hard candy to sell for \$2.40 per pound. He need 50 pounds of candy altogether. He mixes sour balls worth \$3.50 per pound,butterballs worth \$2.50 per pound, and starlight mints worth \$1.75 per pound. He mixes twice as many butterball as ...

math
solve the following system of the equations using matrices 10x-5y=4 7x+y=10

Precalculs
Use matrices to solve x+ +2y+3z=7 -x+2y-z -x+y-2z=-2 I've tried many way cant figure out

pre calculus
use matrices to solve the system of equations , if possible. 2x+y+2z=4 2x+2y=5 2x-y+6z=2

pre calculus
use matrices to solve the system of equations , if possible 2x+3y+z=10 2x-3y-3z=22 4x-2y+3z=-2

Math
Suppose A and B are non-zero matrices such that A^2=0 and B^3=0(But B^2 does not =0) find in simplst form: a)(A+B)^2 b)(A+B)^3 c)(A+B)^4 d)(A+B)^5 e)(A+B)^6

Algebra
How would you solve this matrices using the Gauss-jordan elimination method? {[-5, 8, 10]} {[5, 8, 4]} {[10, 8, 5]} {[5, 4, 8]}

Linear Algebra
Suppose A and B are non-zero matrices such that A^2=0 and B^3=0(But B^2 does not =0) find in simplst form: a)(A+B)^2 b)(A+B)^3 c)(A+B)^4 d)(A+B)^5 e)(A+B)^6

Linear Algebra
Find the inverse of the matrices if they exist. Use the algorithm introduced in this section. 1 2 -1 -4 -7 3 -2 -6 4

Pre-Calc
I have to solve these using matrices by hand. Can someone please help me? 2x-3y-2z=4 (1/4)x-(2/5)y+(3/4)z=(-1/3) -2x+1.3y-3z=5 Thank you so much! :)

Math
Find the inverse for the following matrices: 2 and -4 is on top 6 and 3 is on bottom My answer is 90 120 -180 60

matrices
Find the values of a,b and c by matrix method so that the graph of the polynomial p (x)=ax^2 + bx + c passes through the points (1,2),(-1,6) and (2,3).

Solve the system of equations using matrices. Use Gaussian elimination with back- substitution. x+y+z = -5 x-y+3z = -1 4x+y+z = -2

Finite Math
Can someone please help me. I am not sure to work the following matrices. If A^4 = -3 4 -4 5 and A^5= 4 -5 5 -6 What is A? Can you show me how you got this? Thank you so much ;)

algebra 2a solving systems using matrices
write the system of equations represented by the matrix [0 1 2 4] [-2 3 6 9] [1 0 1 3] a: x+2y=4 -2x-3y+69=0 x+y=3 b: x+2y=4 -2-3y+6=9 x+y=3 c: y+2z=4 -2x+3y+6z=9 x+z=3 d: x+2z=4 -2x-3y+6=9 think its A

Pre-Calculus/Trigonometry
Solve the following system of equations algebraically. Verify your solution by using matrices. 3x-y=0 5x+2y=22

pre - CALCULUS
Solve the system of equations using matrices. Use Gaussian elimination with back- substitution. x+y+z = -5 x-y+3z = -1 4x+y+z = -2

pre-calc
Solve the system of equations using matrices. Use Gaussian elimination with back- substitution. x+y+z = -5 x-y+3z = -1 4x+y+z = -2

pre-calc
Solve the system of equations using matrices. Use Gaussian elimination with back- substitution. x+y+z = -5 x-y+3z = -1 4x+y+z = -2

Maths - Matrices
Matrix transformations- please help? let f be the linear transformation represented by the matrix M = (4 2) .......(0 -2) a) state what effect f has on areas and whether it changes orientation b) Find the matrix that represents the inverse of f c) Use the matrix you found in ...

Pre Calculas
7. For the function defined by: f(x)= {x^2, x<=1} {2x+1, x>1} a. evaluate f(0) 8. Solve the following system of equations algebraically. Verify your solution either graphically or by using matrices. 3x-y=0 5x+2y=22 9. Solve the following system of equations algebraically...

Buisness Math
Given the following matrices: Compute (i) AB (ii) A+2B (iii) AC (iv) 5C (v) B-C Note:Give proper reason where computation is not possible.

PRECALC QUESTION
Solve for "x" and "y" given the following matrix equation: (2x, 0.5y, -2, 1) * (3, -2, 0, 1) = (-24, 19, -6, 5) (the matrices are going from left to right, they're all 2x2's.)

Pre-Calculus/Trigonometry
Solve the following system of equations algebraically. Verify the solution by using matrices. 8x-2y=5 -12x+3y=7

1. Pages:
2. 1
3. 2
4. 3
5. 4
6. 5
7. 6
8. 7
9. 8
10. 9
11. 10
12. 11
13. 12
14. 13
15. 14
16. 15
17. Next>>

Post a New Question