Identity Matrix
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Identity Matrix
Questions

What is an identity matrix?

How do I find the additive identity matrix?

What is the identity matrix for subtraction?

What is the identity matrix of size 4?

What does an identity matrix do?

What is the identity matrix of a #2xx2# matrix?

What is the identity matrix of a #3xx3# matrix?

How do I find the identity of a matrix on a graphing calculator?

What is a unit matrix?

How to determine whether a matrices are in echelon form, reduced echelon form or not in echelon form ?

Question #f6f93

Question #bdbc2

Prove that #(1+sinh2A+cosh2A)/(1sinh2Acosh2A)=cothA#?

What is the dimension of the matrix #[(3 ,4 ,5 ,6 ,7)]#?

What is the dimension of the matrix #[(10,6,18,0), (7,5,2,4), (3, 11,9,7)]#?

What is the dimension of the matrix #[(6,1,5),(2,3,4)]#?

What is the dimension of the matrix #[(7),(8),(9)]#?

What is the dimension of the matrix #[(0,0,8), (6,2,4),(1,3,6), (5,9,2)]#?

What is the dimension of the matrix #[(3,17,22),(9,31,16), (20,15,4)]#?

What is the dimension of the matrix #[(17,2,8,9,6), (5,11,20,1,4)]#?

What is the dimension of the matrix #[(16,8), (10,5), (0,0)]#?

Question #baea9

If #[(5,x), (y,6)]=[(5,2), (9,6)]#, what what is x and y?

Let #A=((0,1),(0,1))#. Let T linier operator to#R^(2x2)#, and #T(X)=AXXA#, #AAX##inR^(2x2)#. Determine #rank(T)# ?