Among all the unit vectors u=(x, y, z) in R^3, find the one for which the sum x+7y+3z is minimal. Among all the unit vectors u

Among all the unit vectors u=(x, y, z) in R^3, find the one for which the sum x+7y+3z is minimal. Among all the unit vectors u

label the augmented matrix(A:I), the resulting inverse(I:A^-1), column vector B, column vector of variables X, such that A^-1B=x 3x-5y=-5 6x-11y=-14 along...

If you have (02 11) what is that 2x2 matrix to the power of 2? What is it to the power of 3?

represent the system of equations with a matrix, then convert to an upper triangular form and solve for variables with back substitution: A can is filled with 45 coins: half-dollars, quarters, and...

i need some help with that, at least a headstart, how to go about that quetion, am confused how am i supposed to start it.

whats the system of equation for it

A=1 -3 2 5 C=1 -1 -1 2 (1) Find a matrix B such that AB=C (2) Find a matrix D such that DA=C

I'd like to know if we can use both "Column Elementary Transformation" and "Row Elementary Transformation" in the cases of: 1) Echelon Form 2) Normal Form Chapter:...

For the following matrices show that AB ≠ BA or that at least one of the products does not exist: A=[[-1,0],[2,3]] B=[[2],[0]]

a is vertical mtx and b is horizontal mtx how to slve please explain

|4 3| a= |4 2| |-1 3| |1 3| A=???

Determine which if this operations with matrices is defined? 2A+E? A=[[1,2][0,3]] E=[[-1,0,2],[-1,0,3]]

Use matrices with Gaussian elimination to solve the system of equations. (If there is no solution, enter NO SOLUTION. If there are infinitely many solutions, enter INFINITELY MANY.) x...

I need help finding f in this equation: 2 3 4 5 x f = 12 16 10 15 IMPORTANT...

if A=(3 4) and B =(4 6). (2 -3) (3 -5) (the brackets above represent one matrix,...

I1-I2-I3=0 1714I2+1000I3+250=0 -1714I2-2000I3+500=0

http://i.imgur.com/PknZsfZ.png I'm confused on why the first row has values 0 + yk+1 + 0 and the second row has 0 + 0 + yk+2

Given that A and B are non-singular square matrices, simplify: AB(A-1B)-1 (what does the question mean by square matrices?)

Under the bracket of matrices .. 1/2. 2/5 2/5. -1/5 Find its inverse..

During one game for the Phoenix Suns, Steve Nash scored 39 points on 17 ﬁeld goals. How many of these ﬁeld goals were 2-pointers and how many were 3-pointers?