I try to make a Quantum Fourier Transformation with N=6: w=e^(2*pi*7/6) so we have 6-th roots: 1,w,w^2,-1,-w,-w^2 My matrix is QFT6= 1/sqrt(6)* (1 1 1 1 1 1 ) (1 w w^2 -1 -w -w^2) (1 w^2 -w 1 w^2

29,934 results
  1. chemistry

    Suppose you take a trip to a distant universe and find that the periodic table there is derived from an arrangement of quantum numbers different from the one on Earth. The rules in that universe are: 1. principal quantum number n = 1, 2, . . . (as on

  2. Chemistry

    What is the azimuthal quantum number (also called the angular-momentum quantum number), ℓ, for the orbital shown here? (the photo is a d orbital. it has 4 balls around it) Express your answer numerically as an integer.

  3. chemistry

    Quantum numbers arise naturally from the mathematics used to describe the possible states of an electron in an atom. The four quantum numbers, the principal quantum number (n), the angular momentum quantum number (ℓ), the magnetic quantum number (mℓ),

  4. Chemistry

    The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron. The angular momentum

  5. Alegbra 2

    Use the rational root theorem to list all possible rational roots for the equation. X^3+2x-9=0. Use the rational root theorem to list all possible rational roots for the equation. 3X^3+9x-6=0. A polynomial function P(x) with rational coefficients has the

  6. chemistry

    Which statement describes the principal quantum number (n)? A. The quantum number that indicates the subshell occupied by an electron B. The quantum number that indicates the energy level of the electron C. A subdivision of an energy level in an atom D.

  7. chemistry

    Which of the following quantum numbers describes the shape of an orbital? A) principle quantum number (n) B) magnetic quantum number (ml) C) spin quantum number (ms) D) Schrodinger quantum number (S) E) (azithmal) angular momentum quantum number (l)

  8. Chemistry

    Consider an atom of Xenon. How many electrons in this atom... a) have the quantum number of l=2 b) have the quantum number of ml=0 c)have the quantum numbers n=5,ml=2 (at the same time) I think I know the answers. a) 10 b)2 c)2 But I am unsure and would

  9. Precalculus

    "Show that x^6 - 7x^3 - 8 = 0 has a quadratic form. Then find the two real roots and the four imaginary roots of this equation." I used synthetic division to get the real roots 2 and -1, but I can't figure out how to get the imaginary roots. I checked

  10. algebra

    if a quadratic equation with real coefficents has a discriminant of 10, then what type of roots does it have? A-2 real, rational roots B-2 real, irrational roots C-1 real, irrational roots D-2 imaginary roots

  11. Science

    Which orbital of the following has a principal quantum number of 3 and an angular momentum quantum number of 27? A.3f B.3d C.4f D.3s

  12. Science

    which of this has principal quantum number of 3 and an angular momentum quantum number of a) 3s b)3d c) 4f d) 3f

  13. electron structure and periodic table

    Given 4,0,2,+1/2, indicate why this set of quantum numbers could not occur I am unsure why this quantum number cannot occur, it's first quantum number value is understandable, 2nd quantum number is as well,and its spin is correct please help

  14. Chemistry

    The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron. The angular momentum

  15. physics

    It is known that the possible values for the magnetic quantum number m range between -9 and +9. Determine the orbital quantum number and the smallest possible value of the principle quantum number. l = n =

  16. further mathematics

    The roots of the eqn, x^4 + px^3 + qx^2 + rx + s = 0 where p, q, r, s are constants and s does not equal to 0, are a, b, c, d. (i) a^2 + b^2 + c^2 + d^2 = p^2 -2q (in terms of p & q) (ii) 1/a + 1/b + 1/c + 1/d = -r/s (in terms of r & s) (iii) using the

  17. Algebra

    Given the roots, 1/2 and 4, find: (A) The quadratic equation 2x^2-9x+4 ? (B) The sum of the roots 4 1/2, or 9/2 (C) The product of the roots 2 Are these answers correct?

  18. geometry

    apply the transformation m to the triangle with the given vertices. name the coordinates of the image points. identify and describe the transformation m: (x, y) -> (1.5x, 1.5y) l(-1, 4), m(-4, 4), n(-4, 3)

  19. Algebra II

    Which describes the number and type of roots of the equation x^2 -625=0? A. 1 real root, 1 imaginary root B. 2 real roots, 2 imaginary roots C. 2 real roots D. 4 real roots. I have x^2 = 625 x = 25 answer: 2 real roots (25 or -25) Is this correct? Thanks

  20. algebra

    Factor this polynomial: F(x)=x^3-x^2-4x+4 Try to find the rational roots. If p/q is a root (p and q having no factors in common), then p must divide 4 and q must divide 1 (the coefficient of x^3). The rational roots can thuis be +/1, +/2 and +/4. If you

  21. Algebra

    The equation x^2+px+q=0, q cannot be equal to 0, has two unequal roots such that the squares of the roots are the same as the two roots. Calculate the product pq. I think the obvious root would be one but the second roots i just can't figure out!

  22. chemistry

    Find the quantum value of a 5py orbital. I know the quantum numbers (n,l,m,s) and all that, but I'm not sure where to begin or go after that. Answered below.

  23. mathematics

    Use the discriminant to determine the number of real roots the equation has. 3x2 – 5x + 1 =0 A. One real root (a double root) B. Two distinct real roots C. Three real roots D. None (two imaginary roots)

  24. Biology

    Which of the following statements correctly compares the functions of a plant's roots and stem? The stem contains a high percentage of cells that provide structural support, unlike the roots. The stem is the first part of the plant to emerge from a seed,

  25. Chemistry

    Quantum numbers arise naturally from the mathematics used to describe the possible states of an electron in an atom. The four quantum numbers, the principal quantum number (n), the angular momentum quantum number (ℓ), the magnetic quantum number (mℓ),

  26. algebra

    Radical and Rational Exponent find roots square roots of 12a^3/25=6a^3 -3-square roots 18/-6=-1 check this for me it find the roots of the problem.

  27. math

    Find the entries of the following matrices: (a) the 2 ×2 matrix M for the reflection across the line y = x. (b) the 2 ×2 matrix N for the 90 degree counterclockwise rotation about the origin. (c) the product MN;what transformation does this represent?

  28. precalculus

    Recall that a Mobius transformation f has an equation of the form f(z)=(az+b)/(cz+d) where a, b, c, and d are complex numbers. Suppose that f is a Mobius transformation such that f(1)=i, f(i)=-1, and f(-1)=1. Find the value of f(-i).

  29. Chemistry

    Quantum numbers arise naturally from the mathematics used to describe the possible states of an electron in an atom. The four quantum numbers, the principal quantum number (n), the angular momentum quantum number (ℓ), the magnetic quantum number (mℓ),

  30. math

    The Fourier series expansion for the periodic function,f(t) = |sin t|is defined in its fundamental interval. Taking π = 3.142, calculate the Fourier cosine series approximation of f(t), up to the 6th harmonics when t = 1.09. Give your answer to 3 decimal

  31. Math

    How to factor x^3 - 3x^2 + 4 =0 Use D'Alembert's Rational Roots Theorem. Any rational roots of the form of p/q (p and q assumed to be relatively prime) must be such that p divides the constant term (in this case 4) and q divides the coefficient of the

  32. Socials-Ms. Sue

    I decided to expand my previous answer A transformation system can help or hinder industrialization because well, with a highly developed transformation system you can produce products in better working conditions. It would be much easier to transport

  33. Ross

    Hello, can anyone give me some help with these excersises? 1. Give an example of a linear transformation that is injective but not surjective 2. Give an example of a linear transformation which kernel is not only the indentity element (Ov) I really don't

  34. Pre-Calc/Trig...

    Helpp needed, this is sort of confusing me. Describe the nature of the roots for this equation. 2x^2-x+1=0 A. Two real, rational roots B. Two real, irrational roots C. One real, double root D. Two complex roots

  35. MATH

    if f (x) is a polynomial of degree 3 whose roots are p,q,r. FIND f (3) if sum of cubes of roots is 0 and sum of squares of roots and sum of roots are unit digit of 3^2018 and 5^50666666666 respectively?

  36. math

    g(x) = abs(f(x)) [abs = absolute value] How exactly do I explain this transformation? I don't think "y-values turn positive, matching x-values of f" works very well. An example of another transformation: g(x) = 3f(x) ~Vertical dilation by a factor of 3. So

  37. chem

    can someone give me examples of the explanatory power of the quantum-mechanical model? Power to explain what? The nature of the chemical bond? Linus Pauling wrote a book with that title. Bascially, QM can explain everything about chemistry such as

  38. chemistry

    write all the possible set of magnetic quantum number for an electron in the n=2 shell that have an angular momentum number l=o and a spin quantum number +1/2

  39. Chem

    Determine all possible values of each quantum number (n, l, ml, and ms) for electrons in both the 2s and 2p subshells. for 2s the the quantum number would be -1/2,0,1/2 right?

  40. Linear Algebra

    (1) Define T:R->R be a linear transformation such that T(x,y,z)= (2x,2y,2z) then the given value of T is A. 3 B. 2 C. 4 D. 6 (A) (B) (C) (D) (2) Let V and W be vector spaces over a field F, and let T:V-> W be a linear transformation then only one of the

  41. Chemistry

    In which energy level would the f orbital make their first apperance? ( use quantum mechanical proof your answer) Please help, I don't get what's the question asking! Thank you

  42. Quantum Physics

    I try to make a Quantum Fourier Transformation with N=6: w=e^(2*pi*7/6) so we have 6-th roots: 1,w,w^2,-1,-w,-w^2 My matrix is QFT6= 1/sqrt(6)* (1 1 1 1 1 1 ) (1 w w^2 -1 -w -w^2) (1 w^2 -w 1 w^2 -w ) (1 -1 1 -1 1 -1 ) (1 -w w^2 1 -w w^2 ) (1 -w^2 -w -1

  43. Math (College Level Mathematics)

    Fourier sin series for f(x) = 1, 0 < x < Pie is given by 1 = 4/n E 1/ (2n-1) times sin (2n-1) x, (0 < x < n). Using this, find the Fourier sinc series for f(x)= 1, on 0 < x < c where c > 0. Then find the Fourier series for g(x), x > 0 where g(x) = 1, 0 < x

  44. Math (Fourier)

    I want to self-study Fourier Transforms followed by signal analysis and Wavelets. I am considering buying the books: "Fourier Analysis: An Introduction" and "A First Course in Fourier Analysis". My question is, are these at my level or are they over my

  45. math

    The Fourier series expansion for the periodic function,f(t) = |sin t|is defined in its fundamental interval. Taking π = 3.142, calculate the Fourier cosine series approximation of f(t), up to the 6th harmonics when t = 1.09. Give your answer to 3 decimal

  46. math

    Anyone can help me on this qns? The Fourier series expansion for the periodic function,f(t) = |sin t|is defined in its fundamental interval. Taking π = 3.142, calculate the Fourier cosine series approximation of f(t), up to the 6th harmonics when t =

  47. Math- Fourier series

    Evaluate the formula for cn in Fourier :integral of e^kx dx = e^kx /k :unless k=0: Type your formula for c0 and cn (n>0) into the indicated spaces. Then rewrite the Fourier series in terms of sines and cosines. Simplify as far as possible (eliminate the

  48. Math- Fourier series

    Evaluate the formula for cn in Fourier :integral of e^kx dx = e^kx /k :unless k=0: Type your formula for c0 and cn (n>0) into the indicated spaces. Then rewrite the Fourier series in terms of sines and cosines. Simplify as far as possible (eliminate the

  49. Math- Fourier series

    Evaluate the formula for cn in Fourier :integral of e^kx dx = e^kx /k :unless k=0: Type your formula for c0 and cn (n>0) into the indicated spaces. Then rewrite the Fourier series in terms of sines and cosines. Simplify as far as possible (eliminate the

  50. Math

    Roots Ok, what about roots? Roots of polynomials? Square roots? Cube roots? Terminology, notation, equations using them? Help us out here a little.

  51. mathematics

    1. How many real roots does y=x^3+x^2+9x+9 have? 2. If you know that a 6th degree polynomial has at least 5 complex roots, how many complex roots does it have in total? 3. A polynomial function has 3 real roots and 4 complex roots. What is the degree of

  52. chemistry

    A 5d electron emits a photon, what are the possible quantum n,l, quantum numbers of the final s tate electron? What would the quantum num bers be a fter a photon with the smallest allowed (non-zero) energy is emitted?

  53. maths

    Show that the equation (1) divided by (x+1) - (x)divided by (x-2)=0 has no real roots Well, to begin, start with 1/(x+1-x). The x's cancel out because they are opposite signs, so now you have 1/1, or just 1. Then, you are dividing 1 by (x-2). In order for

  54. Linear Algebra

    a)Let v be a fixed vector in R^3. Show that the transformation defined by T(u)=vxu is a linear transformation. b)Find the range of this linear transformation. Thanx

  55. Algebra II

    Solve x^2+2x=-2 by graphing and indicate the roots.Please and thank you We can't draw graphs for you here. The roots are x = -2.73 and -0.73 I suggest you make your own graph of y = x^2 + 2x and see where it crosses the horizontal line y = -2. Choose x

  56. Chemistry

    The exclusion principle states that: A) if the position of a particle is well known, its momentum will not be well known. B) two photons cannot have the same quantum state at the same time. C) only electrons in the same quantum state can be in the same

  57. Chemistry

    An electron is in the 5f orbital. What are the values or sets of values for… a. The principle quantum number (n)? b. The angular momentum quantum number (l)? c. The magnetic quantum number (ml)?

  58. Algebra2

    Find the polynomials roots to each of the following problems: #1) x^2+3x+1 #2) x^2+4x+3=0 #3) -2x^2+4x-5 #3 is not an equation. Dod you omit "= 0" at the end? #2 can be factored into (x+1)(x+3) = 0, so the roots are x=-1 and -3. #1 Use the quadratic

  59. Chemistry, Periodic Table

    Very briefly explain the main horizontal and vertical features of the Periodic Table in terms of the electronic structure and relevant quantum numbers? -------------- Am I being asked to state for instance in the case of Halogens that as we progress down

  60. Chemistry

    Please help in any way that you can. Very small spherical crystals called quantum dots are being investigated for use in electronic devices. a. Calculate the mass of a quantum dot of pure silicon that has a diameter of 4nm. b. If you made a 3.5nm diameter

  61. chemistry

    which quantum number, or quantum numbers, can be connected with the direction a particular orbital position points in space, regarding wave mechanics?

  62. precalculus

    express the roots of unity in standard form a+bi. 1.) cube roots of unity 2.) fourth roots of unity 3.) sixth roots of unity 4.) square roots of unity

  63. precalc

    express the roots of unity in standard form a+bi. 1.) cube roots of unity 2.) fourth roots of unity 3.) sixth roots of unity 4.) square roots of unity

  64. Science

    (I) Explain the term energy transformation. (II) Describe the energy transformation occurring in a swinging simple pendulum. Justify each transformation along the path of swing. (III) A person needs a power supply of 3.5kW for a normal lifestyle. What area

  65. CRT205 Quiz

    Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion

  66. Critical Thinking

    Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion

  67. critical thinking

    Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion

  68. English

    Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion

  69. english: crit. thinking

    Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion

  70. Critical Thinking

    Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion

  71. Quick Question

    What is Quantum Physics and Quantum Mechanics? Is there even a difference between them? thank you very much.

  72. algebra 2

    Suppose the polynomial f(x) has the following roots: 1+6sqrt2, 2−sqrt6, and 6+sqrt2. If f(x) has only rational coefficients, the Irrational Root Theorem indicates that f(x) has at least three more roots. What are the three additional roots that f(x) must

  73. Adv algebra

    The equation x^2+px+q=0, q cannot be equal to 0, has two unequal roots such that the squares of the roots are the same as the two roots. Calculate the product pq.

  74. Math

    The equation x^2+px+q=0, q cannot be equal to 0, has two unequal roots such that the squares of the roots are the same as the two roots. Calculate the product pq.

  75. College Algebra

    I have a few problems I need help with and also do have multiple choice. If I can have an explanation of how to get the answer that would be great. 1. Use the discriminant to determine whether the given equation has two irrational roots, two rational

  76. College Algebra--Still Confused

    I have a few problems I need help with and also do have multiple choice. If I can have an explanation of how to get the answer that would be great. 1. Use the discriminant to determine whether the given equation has two irrational roots, two rational

  77. college algebra

    Radical and Rational Exponent find roots square roots of 12a^3/25=6a^3 -3-square roots 18/-6=-1 this is my answer am I right. check this for me it find the roots of the problem

  78. Algebra 2

    How do I solve polynomial equation by finding all complex roots? The problem is: factor each expression and find all complex roots of x^3+64 I got as far as x^3+64=(x+4)(x^2-4x+16) Now how do i find the roots of (x+4) and the roots of (x^2-4x+16) Thanks

  79. Algebra 2

    What are the steps to performing the following transformation and then graphing it? Transformation: Stretch f(x) = |2x| - 3 horizontally by a factor of 3/2.

  80. Algebra 2

    What are the steps to performing the following transformation and then graphing it? Transformation: compress f(x) = |2x| - 3 vertically by a factor of 1/4.

  81. Algebra 2 (Please, help me!)

    What are the steps to performing the following transformation and then graphing it? Transformation: compress f(x) = |2x| - 3 vertically by a factor of 1/4.

  82. Calculus

    Consider the transformation T:x=(41/40)u−(9/41)v , y=(9/41)u+(40/41)v A. Computer the Jacobian: delta(x,y)/delta(u,v)= ? B. The transformation is linear, which implies that it transforms lines into lines. Thus, it transforms the square S:−41

  83. Chemistry

    1.how many total oribitals are present in quantum #1 2. How many electrons are possible in quantum level 1 3. How many total or initials are present in quantum level 3

  84. algebra

    Radical and Rational Exponent find roots square roots of 12a^3/25=6a^3 -3-square roots 18/-6=-1 check this for me it find the roots of the problem.

  85. Chem

    For two spin-paired electrons that are in the same orbital, describe how the values for the first three quantum numbers (n, L, and mL) are related for the two electrons. Is this because no other electron has the same quantum number?

  86. Chemistry:normal notation plz help

    Using the normal notation of quantum number find the element which has the following value of quantum number n=3 l=2 m=2 s=+1/2 (a):potassuim (b):nitrogen (c):sodium (d):scandium

  87. Physics

    A great physicist by the name of Richard Feynman said, "I think it is safe to say that no one understands quantum mechanics." What do you think he meant by this? Does this mean quantum mechanics is wrong? How can we know?

  88. Science

    The electron in a helium ion moves from a Bohr's orbit whose principal quantum number is 4 to another whose quantum number is 6.calculate the energy of transition in this process.

  89. Chemistry

    What is the element whose 4+ cation has the following set of quantum numbers, n=3, l=2, ml=0, and m.s=+1/2 for its highest energy electron? I know, based on the quantum numbers, that its referring to a 3d sublevel. How can I find the solution? Thanks

  90. math

    If the roots of ax^2+bx+c=0 are 6 and 9, then the roots of 3ax^2+3bx+3c=0 are A. 2 and 3 B. 6 and 9 C. 18 and 27 D. -2 and -3 I think since you multiply by 3, the roots are multiplied by 3, but I'm not sure.

  91. Physics

    Did Einstein support quantum mechanics as being fundamental physics, or did he think quantum mechanics was inconclusive?

  92. maths2

    Use the discriminant to determine the number of real roots the equation has. 7x2 + 3x + 1 =0 A. One real root (a double root) B. Two distinct real roots C. Three real roots D. None (two imaginary roots)

  93. ENGLISH

    Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion

  94. how many solutions are real?

    hi, I am stuck on this question. y=x^2+4x and y^2= 25x^2+20x+3 how many of the solutions are real? and how many of the real roots are positive and how many are negative? thank you for any suggestions I suggest you solve for the roots. y=x(x+4) At y=0, what

  95. Math

    A math teacher wrote x^2+bx+c=0 on the board and asked students to find the two real roots. Alice miscopied one of the coefficients and found that 1 and 4 were the roots. Andy miscopied a different coefficient and found that -2 and 3 were the roots.

  96. CHEMISTRY

    Explain the following terms ; (I) Azimuthal quantum number (ii) Spin quantum number

  97. math

    Let P be the transformation representing a reflection over the line y=b and let Q be the transformation representing a reflection over the line y=a, where a < b. Describe a single transformation that would give the same results as P∘Q, if the preimage

  98. Quantum Physics

    Consider the following quantum circuit: bit.ly/Zlrijv (a) What quantum state do you have to input in order to get output |00>? (b) What quantum state do you have to input in order to get output |11>? (c) What quantum state do you have to input in order to

  99. precalculus

    Recall that a Mobius transformation f has an equation of the form $f(z) = (az+b)/(cz+d) where a, b, c, and d are complex numbers. Suppose that f is a Mobius transformation such that f(1)=i, f(i)=-1, and f(-1)=1. Find the value of f(-i).

  100. physics

    WHICH HAS PRINCIPAL QUANTUM NUMBER OF 3 AND ANGULAR MOMENTUM QUANTUM NUMBER OF 2 A 3s b 3d c 4f d 3f

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