Question
Asked Dec 28, 2019
2 views

Let A be an n× n matrix. Prove that A is a diagonal matrix if and only if Aij= δij Aij for all iand j.

check_circle

Expert Answer

Step 1

To prove:

Algebra homework question answer, step 1, image 1
fullscreen
Step 2

proof

...
Algebra homework question answer, step 2, image 1
fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Math

Algebra

Related Algebra Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: Charles and Bernice (“Ray”) Eames were American designers who made major contributions to modern arc...

A:  coffee table 90 in. long and 30 in with center at (0,0)So, 2a=90 and 2b=30a=45, b=15

question_answer

Q: For Exercise, determine the center and radius of the circle. x2 + y2 = 25

A: The given equation of circle is,

question_answer

Q: Given f(x) = |x| − 3; x ≥ 0, write an equation for f−1. (Hint: Sketch f(x) and note the domain and r...

A: The given function is

question_answer

Q: Let u, v, and w be distinct vectors of a vector space V. Show that if {u, v, w} is a basis for V, th...

A: Let u,v,w ∈ V  a vector space over a field F such that u≠v≠w . Let {u,v,w} be a basis for V. Because...

question_answer

Q: For Exercise, solve the inequality. Write the solution set in interval notation. 3|x + 2| − 1 > 8

A: Given: The inequality

question_answer

Q: In Fn, let ej denote the vector whose jth coordinate is 1 and whose other coordinates are 0. Prove t...

A: If we can show that  {e1, e2, . . . , en} is linearly independent in Fn then we can say that  {e1, e...

question_answer

Q: The process that maximizes or minimizes a function subject to linear constraints is called _________...

A: The procedure or the subject which deals with the process that maximizes or minimizes a function sub...

question_answer

Q: Given the inequality y ≤ 2x + 1, the bounding line y = 2x+ 1 is drawn as a (dashed/solid) line.

A: Click to see the answer

question_answer

Q: If a system of linear equations in three variables has no solution, then what can be said about the ...

A: It is given that , a system of linear equations in three variables has no solution.