5. (5 points, bonus). Find the Singular Value Decomposition of the matrix A from problem 4. Verify your answer.

Answers

Answer 1

Answer:

The question is not complete.

I will explain the concept of Singular Value Decomposition

Step-by-step explanation:

The singular value decomposition (SVD) of a matrix A is the process of factorizing A into the  product of three matrices A = [tex]U DV^{T}[/tex] where the columns of U and V are orthonormal and  the matrix D is diagonal with positive real entries.

This process is used to carry out many tasks.

Data matrix A is useful to find a low rank matrix which is a good approximation  to the data matrix.

The columns of V is called the right singular  vectors of A and it normally form an orthogonal set with no assumptions on A. The columns  of U is reffered to as the left singular vectors and it also forms an orthogonal set. The orthogonality forms the inverse of A for a square and invertible matrix A which is [tex]V D^{-1}[/tex][tex]U^{T}[/tex].

If we want gain better insight of the process, we will need to treat the rows of an n × d matrix A as n points in a  d-dimensional space and find the best k-dimensional subspace  with respect to the set of points. This means that we will minimize the sum of the squares of the  perpendicular distances of the points to the subspace.

To find the best fitting line through the origin with respect  to a set of points {xi  |1 ≤ i ≤ n} will mean that we will minimize the sum of the squared  distances of the points to the line.


Related Questions

Determine the quantity needed to replace the question mark to make the scale balance The weight times the distance on both sides of the fulcrum (the triangle) must be the same to make the scale balance

6 kg

3m
-
600 cm

The quantity needed to replace the question mark to make the scale balance is ? grams

work please, I wanna understand how to do it. thank you:)​

Answers

Answer:

3kg = 3000 gm

Step-by-step explanation:

we use this formula

m1x (distance of m1 )= m2 x( distance of m2)

* the distance far from the triangle*

m1 =6 kg

d1 = 3m

m2 = ê (kg )

d2 = 600 cm = 6 m

m1 d1 = m2 d2

6 x 3 = ê 6

ê = 3 kg

mass = 3kg = 3000 gram

#

To make the scale balance, the weight must be added is 3000g.

What is a balancing equation?

"A balanced equation is an equation where both sides are equal to the same amount. The answer to the expression on the left side of the equals sign (=) should be equal to the value on the right side of the equals sign".

For the given situation,

From the diagram shown, the distance on both sides of the fulcrum (the triangle) must be the same to make the scale balance.

We know that

1 kg = 1000 g

1 m = 100 cm

Let the unknown quantity be 'x'

To write a balanced equation, units should be the same on both sides.

6 kg = 6000 g

3 m = 300 cm.

The equation is represented as

[tex]6000[/tex] × [tex]300 = x[/tex] × [tex]600[/tex]

⇒ [tex]x = \frac{(6000)(300)}{600}[/tex]

⇒ [tex]x=3000[/tex]

Hence we can conclude that to make the scale balance, the weight must be added is 3000g.

Learn more about the balance equation here

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please help I don't know how to do this

Answers

Answer:

792/7 is the correct answer

Step-by-step explanation:

V=4/3pi r^3

=4/3×22/7×3x×3x×3x

=88×9x÷7=792/7

Which of the following best describes the relationship between ABCD EFGH?

Answers

Answer:

B

Step-by-step explanation:

A tesselation uses 1 shape to create an image by translating it or reflecting it. The shape is translated in this scenario so they are congruent from a translation (they are in the sam orientation unlike reflections)

Beatrice has 0.26 in her pocket. What percent of a dollar does Beatrice have?

28%

Answers

Answer:

26%

Step-by-step explanation:

If 1 dollar is 100%

Then 0.26 dollar is:

0.26*100= 26%

Factor x^2 + 4x - 21

Answers

Answer:

(x - 3)(x + 7)

Step-by-step explanation:

x^2 + 4x - 21

=> x^2 + 7x - 3x - 21

=> x(x + 7) -3(x + 7)

=> (x + 7)(x - 3)

Answer:

[tex](x+7)(x-3)[/tex]

Step-by-step explanation:

So we want to factor the expression:

[tex]x^2+4x-21[/tex]

When factoring, we want to find two numbers that equals (a)(c) and add up to b. We can then substitute it for b.

So, we want two numbers that when multiplied equals (1)(-21)=-21 and adds up to 4.

We can use 7 and -3.

So:

[tex]x^2+4x-21\\=x^2-3x+7x-21[/tex]

Factor out an x from the first two terms, and a 7 from the third and fourth terms:

[tex]=x(x+3)+7(x-3)[/tex]

Grouping:

[tex]=(x+7)(x-3)[/tex]

And we are done :)

2O POINTS, PLEASE HELP!!

Complete the equation.

(4x)^-2 (4x)^3 (4x)^9 = 4x [ ]a0

Answers

Answer:

(4x)¯² (4x)³ (4x)⁹ = (4x)¹⁰

Step-by-step explanation:

(4x)¯² (4x)³ (4x)⁹

The above expression can be simplified as follow:

Recall:

When we have two or more index number with same base and a multiplication sign in between them, we easily simply by adding the index number together while keeping the base constant. This is illustrated below:

a^m x a^n = a^(m + n)

Therefore,

(4x)¯² (4x)³ (4x)⁹ = (4x)^(-2 + 3 +9)

(4x)¯² (4x)³ (4x)⁹ = (4x)¹⁰

What is the value of x in the equation 4x − 17 = 65?

Answers

Answer: x=20.5

Step-by-step explanation:

Given

4x-17=65

Add 17 on both sides (addition property of equality)

4x-17+17=65+17

4x=82

Divide 4 on both sides (division property of equality)

4/4x=82/4

x=20.5

Hope this helps!! :)

Please let me know if you have any question

Answer:

x = 20.5

Step-by-step explanation:

4x - 17 = 65

4x = 65 + 17

x = 82 ÷ 4

x = 20.5

Hope it helps.

what is the distance between between 120 and -50 on the number line

Answers

170

Because you have to add
120 + 50 = 170

Translate to an equation and solve the following: The difference of p and one-sixth is two-thirds.

Answers

Answer: 5/6

Step-by-step explanation:

p - 1/6 = 2/3

    +1/6   +1/6

p = 5/6

Answer:

p = 5/6

Step-by-step explanation:

For this problem, simply take the words of the problem and convert them into an equation as such:

The difference of p and one-sixth implies --> p - 1/6

is two-thirds implies --> 2/3

So, our equation:

p - 1/6 = 2/3

Now simply solve for p, and combine the fractions.

p - 1/6 = 2/3

p - 1/6 + 1/6 = 2/3 + 1/6

p = 2/3 + 1/6

p = 4/6 + 1/6

p = 5/6

Cheers.

Which statement identifies how to show that j(x) = 11.6ex and k(x) = In (StartFraction x Over 11.6 EndFraction) are inverse functions? All that needs to be shown is that j(k(x)) equals x. All that needs to be shown is that j(k(x)) equals 1. It must be shown that both j(k(x)) and k(j(x)) equal x. It must be shown that both j(k(x)) and k(j(x)) equal 1.

Answers

Answer:

It must be shown that both j(k(x)) and k(j(x)) equal x

Step-by-step explanation:

Given the function  j(x) = 11.6[tex]e^x[/tex] and k(x) = [tex]ln \dfrac{x}{11.6}[/tex], to show that both equality functions are true, all we need to show is that both  j(k(x)) and k(j(x)) equal x,

For j(k(x));

j(k(x)) = j[(ln x/11.6)]

j[(ln (x/11.6)] = 11.6e^{ln (x/11.6)}

j[(ln x/11.6)] = 11.6(x/11.6) (exponential function will cancel out the natural logarithm)

j[(ln x/11.6)] = 11.6 * x/11.6

j[(ln x/11.6)] = x

Hence j[k(x)] = x

Similarly for k[j(x)];

k[j(x)] = k[11.6e^x]

k[11.6e^x] = ln (11.6e^x/11.6)

k[11.6e^x]  = ln(e^x)

exponential function will cancel out the natural logarithm leaving x

k[11.6e^x]  = x

Hence k[j(x)] = x

From the calculations above, it can be seen that j[k(x)] =  k[j(x)]  = x, this shows that the functions j(x) = 11.6[tex]e^x[/tex] and k(x) = [tex]ln \dfrac{x}{11.6}[/tex] are inverse functions.

Answer:

the answer is C

Step-by-step explanation:

I did the test and got it right


It takes a hose 4 minutes to fill a rectangular aquarium 11 inches long, 12 inches wide and 13 inches tall. How long will
it take the same hose to fill an aquarium measuring 21 inches by 24 inches by 32 inches? Round your answer to the
nearest minute.

Answers

Answer:

38 minutes

Step-by-step explanation:

Volume of the first aquarium:

V = lwh = 11*12*13 =  1716 in³

Volume of the second aquarium

V = 21*24*32 = 16128 in³

The second aquarium is:

16128/1716 = 9.4 times bigger by volume

It will take

4*9.4 ≈ 38 minutes

to fill this aquarium

is the decimal for 4/3 a repeating decimal? explian

Answers

Answer:

Step-by-step explanation:

Yes, it's a repeating decimal:  1.3333333....

Simplify the ratio 5:35.

Answers

Answer:

1 : 7

Step-by-step explanation:

Answer:

1:7

Step-by-step explanation:

5/5=1 35/5=7

How much cash did the person who filled out this deposit slip receive? a. $381.23 b. $451.02 c. $88.79 d. $436.02

Answers

Answer:

c

Step-by-step explanation:

its c

The cash received by the person who filled out this deposit is $88.79.

Option C is the correct answer.

Given,

Description                      Amount ($)

Cash, including coins.          15.00

Check 1                                 62.44

Check 2                                 27.83

Check 3                                 45.75

Subtotal                                  ??.??

Less cash received                ??.??

Total                                        62.23

We need to find the less cash received.

What is a deposit slip?

A deposit slip is a bank form where the customer fills in the required date such as the date, the depositor's name, the depositor's account number, and the deposit amounts.

Find the subtotal.

= Cash included coins + check 1 + check 2 + check 3

= 15.00 + 62.44 + 27.83 + 45.75

= 151.02

Find the less cash received.

We have,

Total = 62.23

Total = Subtotal - less cash received

62.23 = 151.02 - less cash received

less cash received:

= 151.02 - 62.23

= 88.79

Thus, the cash the person who filled this deposit slip received is $88.79.

Learn more about deposit slips here:

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The complete question:

Consider the following incomplete deposit slip:

Description - Amount ($)

Cash, including coins - 15.00

Check 1  - 62.44

Check 2 - 27.83

Check 3 - 45.75

Subtotal - ?? ??

Less cash received - ?? ??

Total - 62.23

How much cash did the person who filled out this deposit slip receive?

a. $381.23

b. $451.02

c. $88.79

d. $436.02

How many ink cartridges can you buy with 168 if one cost 14 dollars ?

Answers

168 ÷ 14 =12

ink

...

.

...

Answer:

Let the cost the number of cartridges be x.

We have given that cost of one cartridge is 14 $/cartridge.

And we have 168 $ with us.

So, according to question we have an equation-

14x=168

x=168/14

x=12

Hence, we can buy 12 cartridges if we 168 $ and the cost of one cartridge is 14 $.

Write the expression and give the solution from the information given on the number line. ( First blank is for your number sentence and the second blank is for your answer)

Answers

Answer:

0-3+5=2

Step-by-step explanation:

It starts in 0

The first line moves three spaces to the left so that's -3

the second line moves 5 spaces to the right so that's +5

add all up

0-3+5=2

Answer:

2

Step-by-step explanation:

1st line 0 → -3 = -3

2nd line -3  → 2 = 5

sum = 0 + (-3) + 5 = 2

Score: 0 of 1 pt
4 of 8 (2 complete)
2.2.15
A large western state consists of 4423 million acres of land. Approximately 19% of this land is federally owned. Find the number of acres that are not federally owned.

Answers

Answer:

  3583 million acres

Step-by-step explanation:

If 19% is federally owned, then 81% is not.

  0.81 × 4423 million acres = 3583 million acres

that are not federally owned.

_____

This is a typo or refers to some country other than the US. The largest US state (Alaska) is about 425 million acres.

What is the answer please help
8-10=-2+k

Answers

Answer:

k =0

Step-by-step explanation:

[tex]8-10=-2+k[/tex]

Switch sides

[tex]-2+k=8-10[/tex]

Subtract the  numbers : 8-10=-2

[tex]-2+k=-2[/tex]

Add 2 to both sides

[tex]-2+k+2=-2+2[/tex]

Simplify

[tex]k = 0[/tex]

Answer:

k=0

Step-by-step explanation:

Simplify  8-108−10  to  -2−2.

−2=−2+k

regroup those terms

−2=k−2

cancel -2 on both sides

0=5

switch sides k=0

i recommend using cymath free and very easy

Eva, Hope, Misha, and Cole put their names into a basket.
If a name is selected without looking, what is the probability that the name will be "Cole"?
A. 1/4
B. 1/3
C. 3/4
D. 3/3​

Answers

A. 1/4 as has 1 in 4 chances of getting picked

-3x + 10 = -5



What is the hypothesis?

Answers

Answer:

15

Step-by-step explanation:

-3x = -5-10

-x=-15

therefore, x=15

What is the scale factor?

Answers

Answer:

I think the scale factor is 2 because 12 divided by 6 is 2.

given y=2x+5, determine is -6x+3y=-30 is parallel, perpendicular, or neither?

Answers

Answer:

Parallel

Step-by-step explanation:

2x+5 slope: 2

-6x+3y=30 slope: 2

Hence the answer is parallel

If AABC = ADEC,
ZB = 5x and ZE = 45°
А
D
с
B
E
x = [?]

Answers

Answer:

x=9

Step-by-step explanation:

If the triangles are congruent, then the angles B and E are also congruent (because they lie in the same place). Set an equation where B is equal to E:

∠[tex]B=[/tex]∠[tex]E[/tex]

Substitute values:

[tex]5x=45[/tex]

Solve for x. Divide both sides by 5:

[tex]\frac{5x}{5}=\frac{45}{5}\\\\ x=9[/tex]

So, when ΔABC≅ΔDEC, and ∠B=5x and ∠E=45°, the value of x is 9.

:Done

Answer:

I agree with the first answer

Step-by-step explanation:

2x + y = 11...(1)
5x-2y= 5...(2)
Given the above system of two equations in two variables, which one of the following equations does
NOT have the same solutions for x and y?
A 7x - y = 16
B 12x + 3y = 40
Cx-y= -2
D 12x – 3y = 21


Answer is B

Answers

basically you wrote the answer

Answer is B

Answer:

Well since u know the answer (LOL) its B

Step-by-step explanation:

U already solved it so u know how!

The probability of rolling a number less than 3 on a number cube is 2/6. Jennifer rolls a number cube 69 times. How many times should Jennifer expect to roll a number less than 3?

Answers

Answer:

Jennifer should expect a number less than 3 23 times

Step-by-step explanation:

The probability of rolling a number less than 3 on a number cube is 2/6. .

The probability of rolling a number less than 3 on a number cube is 2/6

= 1/3

Jennifer rolls a number cube 69 times

Expectations= probability*total outcome

Expectations= 1/3 * 69

Expectations= 69/3

Expectations= 23 times

Answer:

30

Step-by-step explanation:

What is the measure of the complement?

Answers

Answer:

64 degrees

Step-by-step explanation:

complementary-angle adds up to 90 degrees.

90-26 is 64 degrees.

Equations with variables on both sides : 17-2p = 2p+5+2p

Answers

Answer:

p = 2

Step-by-step explanation:

17 - 2p = 2p + 5 + 2p  

- 2p - 2p - 2p = 5 - 17

- 6p = - 12

p =  -12 / -6

p = 2

Use the disk method or the shell method to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about each given line. y=6/x^2 ,y=0,x=1,x=3 .
1) Find the y-axis
2) Find the line y=6

Answers

Answer:

1) V = 12 π  ㏑ 3

2) [tex]\mathbf{V = \dfrac{328 \pi}{9}}[/tex]

Step-by-step explanation:

Given that:

the graphs of the equations about each given line is:

[tex]y = \dfrac{6}{x^2}, y =0 , x=1 , x=3[/tex]

Using Shell method to determine the required volume,

where;

shell radius = x;   &

height of the shell = [tex]\dfrac{6}{x^2}[/tex]

Volume V = [tex]\int ^b_{x-1} \ 2 \pi ( x) ( \dfrac{6}{x^2}) \ dx[/tex]

[tex]V = \int ^3_{x-1} \ 2 \pi ( x) ( \dfrac{6}{x^2}) \ dx[/tex]

[tex]V = 12 \pi \int ^3_{x-1} \dfrac{1}{x} \ dx[/tex]

[tex]V = 12 \pi ( In \ x ) ^3_{x-1}[/tex]

V = 12 π ( ㏑ 3 - ㏑ 1)

V = 12 π ( ㏑ 3 - 0)

V = 12 π  ㏑ 3

2) Find the line y=6

Using the disk method here;

where,

Inner radius [tex]r(x) = 6 - \dfrac{6}{x^2}[/tex]

outer radius R(x) = 6

Thus, the volume of the solid is as follows:

[tex]V = \int ^3_{x-1} \begin {bmatrix} \pi (6)^2 - \pi ( 6 - \dfrac{6}{x^2})^2 \end {bmatrix} \ dx[/tex]

[tex]V = \pi (6)^2 \int ^3_{x-1} \begin {bmatrix} 1 - \pi ( 1 - \dfrac{1}{x^2})^2 \end {bmatrix} \ dx[/tex]

[tex]V = 36 \pi \int ^3_{x-1} \begin {bmatrix} 1 - ( 1 + \dfrac{1}{x^4}- \dfrac{2}{x^2}) \end {bmatrix} \ dx[/tex]

[tex]V = 36 \pi \int ^3_{x-1} \begin {bmatrix} - \dfrac{1}{x^4}+ \dfrac{2}{x^2} \end {bmatrix} \ dx[/tex]

[tex]V = 36 \pi \int ^3_{x-1} \begin {bmatrix} {-x^{-4}}+ 2x^{-2} \end {bmatrix} \ dx[/tex]

Recall that:

[tex]\int x^n dx = \dfrac{x^n +1}{n+1}[/tex]

Then:

[tex]V = 36 \pi ( -\dfrac{x^{-3}}{-3}+ \dfrac{2x^{-1}}{-1})^3_{x-1}[/tex]

[tex]V = 36 \pi ( \dfrac{1}{3x^3}- \dfrac{2}{x})^3_{x-1}[/tex]

[tex]V = 36 \pi \begin {bmatrix} ( \dfrac{1}{3(3)^3}- \dfrac{2}{3}) - ( \dfrac{1}{3(1)^3}- \dfrac{2}{1}) \end {bmatrix}[/tex]

[tex]V = 36 \pi (\dfrac{82}{81})[/tex]

[tex]\mathbf{V = \dfrac{328 \pi}{9}}[/tex]

The graph of equation for 1 and 2 is also attached in the file below.

6 ten thousand 5 hundred x10

Answers

Answer:

60,500

Step-by-step explanation:

The four cases in which we can solve a triangle are ASA SSA SAS SSS.
1) In which of these cases can we use the Law of Sines to solve the triangle?
A) ASA.
B) SSA.
C) SAS
D) SSS
2) Which of the cases listed can lead to more than one solution (the ambiguous case)?
A) ASA
B) SSA
C) SAS
D) SSS

Answers

Answer:

1) ASA

2) SSA

Step-by-step explanation:

The sine rule is used when we have; ASA, AAS or SSA cases. However, SSA is an ambiguous case which occurs when there are two sides and a given angle opposite one of these given sides. The triangles resulting from a situation like this requires a much closer look in comparison to SSS, ASA, and AAS cases. SSA may result in one triangle, two triangles, or even no triangle at all.

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