What is Mixed: Definition and 270 Discussions

Mixed-use development is a term used for two related concepts:

In the sense of mixed-use zoning or mixed-use planning, it is a type of urban development, urban planning and/or a zoning type that blends residential, commercial, cultural, institutional, or entertainment uses into one space, where those functions are to some degree physically and functionally integrated, and that provides pedestrian connections. Mixed-use development may be applied in new real estate development projects in a city or suburb, or may apply to a single building, existing or new neighborhood, or in zoning policy across an entire city or other political unit.
In the sense of a mixed-use complex, mixed-use project, etc., a mixed-use development refers to "a development" — a building, complex of buildings, or new district of a community that is developed for mixed-use by a private developer, (quasi-) governmental agency, or a combination thereof. A mixed-use development may be new construction, reuse of an existing building or brownfield site, or a combination.

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  1. M

    How to Solve a Mixed 2 DOF Vibration Problem with Incorrect Free Body Diagram?

    I am struggling with the following question, it is a mixed (lever and linear) 2DOF vibration problem, something I never came across before. I am afraid I am missing something on the FBD, thus the differential equations of motions are wrong. Homework Statement Homework Equations...
  2. C

    MHB Finding the difference of mixed measures

    How would I work the following problem-19(degrees) 17' 33" - 7(degrees) 45' 28"Please help asap
  3. davidbenari

    Clairauts “equality of mixed partial derivatives” theorem

    I know how to prove this via limits and I'm okay with that. What I want to understand is the interpretation of the theorem and specifically a visualisation of why what the theorem states must be the case. My guess is that this theorem is saying that change is symmetrical. But I don't know...
  4. electricspit

    Tensors: switching between mixed and contravariant components

    I'm working on the electromagnetic stress-energy tensor and I've found this in a book by Landau-Lifshitz: T^{i}_{k} = -\frac{1}{4\pi} \frac{\partial A_{\ell}}{\partial x^{i}} F^{k\ell}+\frac{1}{16\pi}\delta^{k}_{i} F_{\ell m} F^{\ell m} Becomes: T^{ik} = -\frac{1}{4\pi}...
  5. J

    Representation symmetric, antisymmetric or mixed

    Hi, While studying Lie groups and in particular the representations I have some trouble with determining whether a representation is a symmetric, antisymmetric or mixed tensor product of the fundamental representations. I'm working with SO(5) to get an understanding about the actual...
  6. S

    Pure state, mixed state and measurement

    Hello guys, Homework Statement the problem goes as follows: "Which measurement should you do on a statistical ensemble of qubits in order to distinguish between the pure state |Ψ>= cos(θ)|0> + sin(θ)|1> and the mixed state ρ=cos^2(θ)|0><0| + sin^2(θ)|1><1| " Homework Equations I am not...
  7. T

    Fourier-Laplace transform of mixed PDE?

    I have a third order derivative of a variable, say U, which is a function of both space and time. du/dx * du/dx * du/dt or (d^3(U)/(dt*dx^2)) The Fourier transform of du/dx is simply ik*F(u) where F(u) is the Fourier transform of u. The Fourier transform of d^2(u)/(dx^2) is simply...
  8. Govind_Balaji

    Find the rationalizing factor of a mixed surd

    Homework Statement $$\sqrt{2}+\sqrt{7}-\sqrt{10}$$ is a surd Find another irrational number such that when multiplied by $$\sqrt{2}+\sqrt{7}-\sqrt{10}$$ , it results a rationall number. Homework Equations The Attempt at a Solution I found the answer, but I think I did not...
  9. naima

    Exploring Mixed States: Preparation and Measurement

    As mixed states and density matrices are the generalization of pure states, i wondered if it was possible to prepare a given mixed state. I know that decoherence give mixed states. Are there other ways to get them? measurements on pure states always give pure states (POVM also). So how?
  10. JasonHathaway

    Proving the Mixed Product Formula for Vectors in R3

    Homework Statement Prove that (A×B) . [(B×C)×(C×A)]=(A,B,C)^2 where A, B, C are vectors in R3. Homework Equations W×(U×V)=(W . V) U - (W × U) V The Attempt at a Solution Assuming K=(A×B), M=(B×C): K . [M×(C×A)] K . [(M . A) C - (M . C) A] [(M . A)(K . C) - (M . C)(K . A)]...
  11. W

    Solution for mixed differential and algebraic equations

    I'm confused finding a solution (numerical integration is ok) for the following model: http://imageshack.com/a/img27/7080/brmb.jpg Free body diagrams: http://imageshack.com/a/img22/9523/r0is.jpg And the equations of motion: \begin{align} k_{s,1}x_1+k_{s,2}x_1^3+k_m(x_1-x_2)+k_f(x_1-x_3) &=...
  12. B

    Pure, proper mixed, and improper mixed states in laymen's terms

    This is how one poster tried to explain it to me but for people who have only taken a basic physics course in college it leaves a lot wanting. "If a system is in a pure state, and you know what the pure state is, then your knowledge of the system is complete, and all uncertainty is quantum...
  13. K

    What is the pH when 200 mL 0.1 M NaOH is mixed with 300 mL water?

    What is the pH when 200 mL 0.1 M NaOH is mixed with 300 mL water? I am stuck here. I know V1C1 = V2C2 but I need help at this point. I don't know how NaOH reacts with water, and how this would affect the pH of the final solution. I also don't know whether or not I should use the...
  14. N

    CDF of correlated mixed random variables

    Hello, i m trying to evaluate the following: r*x - r*y ≤ g, where r,x,y are nonnegative random variables of different distribution families and g is a constant nonnegative value. Then, Pr[r*x - r*y ≤ g] = Pr[r*x ≤ g + r*y] = ∫ Fr x(g + r*y)*fr*y(y) dy, where F(.) and f(.) denote CDF and...
  15. K

    Pure to mixed and back to pure state

    Let's say you prepare a pure state in a single electron at a time double slit experiment meaning the electron interferes with itself, then you hit the electron with a one photon at the sides (serving as environment) causing decoherence, so the double slit setup decohere and becomes mixed state...
  16. O

    Mixed Resistive Inductive load

    hello i do have something unclear about =.. POWER Real Power Reactive Power Inductive Load 500 511 W 329VAR 1.2 400 519W 312VAR 2.0L 300 490W 382VAR 3.2L IS ABOUT MIXED RESISTIVE INDUCTIVE LOAD.. MY...
  17. A

    Finding heat lost when waters of different temps. Are mixed

    Homework Statement 90 grams of water at 75°C are mixed with an equal amount of water at 25°C in a completely insulated container. The final temperature of the water is 50°C. How much heat is lost by the hot water? Homework Equations The hot water drops to 50 degrees Celsius so it has...
  18. H

    PDE, heat equation with mixed boundary conditions

    Homework Statement solve the heat equation over the interval [0,1] with the following initial data and mixed boundary conditions.Homework Equations \partial _{t}u=2\partial _{x}^{2}u u(0,t)=0, \frac{\partial u}{\partial x}(1,t)=0 with B.C u(x,0)=f(x) where f is piecewise with values: 0...
  19. H

    Mixed Culture 16s rRNA Analysis Q&A

    I have a mixed culture plate and I want to do 16s rRNA analysis on it and I have a few questions. First of all there are no visible colonies, but I know bacteria is growing. Do I just take a small chunk of the medium and do PCR on it with universal primers (I have a procedure for this step)...
  20. camipol89

    Are Thermal States Always Mixed States?

    Hey guys, I was reading about thermal states and now I have a doubt: is a thermal state always a mixed state with density matrix ρ=exp(-βH)/Tr(exp(-βH)), or is there also a pure thermal state? Thank you
  21. W

    Properties of mixed partial derivatives

    Hi, I am sort of hung up with a particular step in a derivation, and this has caused me to ponder a few properties of partial derivatives. As a result, I believe I may be correct for the wrong reasons. For this example, the starting term is (\frac{\partial}{\partial x}\frac{\partial...
  22. H

    Is mixed light the same as interfered light?

    Hey all! I'm building a simple low cost Fourier Transform Infrared Spectroscope as a summer project. for those unaware, the process involves a Michelson-style interferometer which takes a coherent source and splits it. One ray is reflected directly back whereas the other ray has a path...
  23. E

    My wife just mixed bleach and 409

    That's right. Half a bottle of 409 (dimethyl benzyl ammonium chloride) and the other half bleach. The bottle started getting hot, so I put it outside for now. The question is, what abomination is in that bottle? Am I dealing with chlorine gas? Thanks for any answers.
  24. marcus

    Exploring Philosophical Novelty in Physics: The Boundary is Mixed

    From time to time the Magic Grandmother of Philosophy flies down from the sky and touches physics with her magic wand and it the field becomes slightly different. Philosophy is the careful examination of the concepts we use to think with. It can spark revolutions in thought. I've noticed it's...
  25. R

    Integration of mixed function at infinity limit

    Hi, I am trying to calculate second virial coefficient from interaction potentias and I have to Integrate at Infinity level and it seems that Integrate doesn't converge. can you help me integrate this function. Integrate is attached as an image. Regards Raymond
  26. W

    How to solve eigenvalue problems with mixed boundary condition?

    suppose function f is define on the interval [0,1] it satisfies the eigenvalue equation f'' + E f=0, and it satisfies the boundary conditions f'(0)+ f(0)=0, f(1)=0. How to solve this eigenvalue problem numerically? the mixed boundary condition at x=0 really makes it difficult
  27. N

    Refractive index of two fluids when mixed

    Hi all! I was wondering what will happen if you have two aqueous solutions with the same refractive index and you mix them? Would you end up with the same refractive index as the both solutions or will the refractive index change? In my case I'm using a aqueous 40% wt. potassium...
  28. Low-Q

    80% ethanol mixed with 20% diesel

    Would this mixdure be equivalent in performance and fuel economy as 95 octane gasoline? Any possible damages to the engine if I try this mixdure? Br. Vidar
  29. S

    How Do You Calculate the PDF for Mixed Weather-Dependent Demand Distributions?

    Homework Statement demand for raincoats demand X is uniform [0,a) on a sunny day and ~U[0,b) on a rainy day. its is stated that b>a. the probability it is a sunny day is 'p' and that it is a rainy day is '1-p' (p and 1-p are constants) compute the pdf? Homework Equations f(x) =...
  30. MarkFL

    MHB Answer Math Problems: 3 1/2 - 2 3/4, etc. | Yahoo! Answers

    Here is the question: Here is a link to the question: Would you help with these math problem? - Yahoo! Answers I have posted a link there so the OP can find my response.
  31. R

    What is a pure quantum state and a mixed quantum state?

    hi what is a pure quantum state and a mixed quantum state? I looked up the internet but I did not quite understand. For pure quantum state I have read that they can't be written down as a mixture of other states? are entangled states pure states?
  32. S

    Thermodynamics (final temperature, ice mixed with steam)

    Homework Statement If 10-kg of ice at 0 degrees Celsius is added to 2-kg of steam at 100 degrees Celsius, the temperature of the resulting mixture is? Use Joules. ANSWER: 40 Homework Equations Specific Heats: Ice = 2060 Steam = 2020 Latent Heats: Water melting = 3.33x10^5...
  33. S

    Compute Higher Order Mixed Derivative.

    Homework Statement Let f(u,v) be an infinitely differentiable function of two variables, and let g(x,y) = (x^2 + y^4, xy). If f_{v} (5,2) = 1, f_{uu} (5,2) = 2, f_{vv} (5,2) = -2 and f_{uv} (5,2) = 1, computer d^2(f o g)/dxdy at (2,1)Homework Equations The Chain Rule The Attempt at a...
  34. S

    Laplace equation in a square with mixed boundary conditions

    The length of the side of the square is a. The boundary conditions are the following: (1) the left edge is kept at temperature T=C2 (2) the bottom edge is kept at temperature T=C1 (3) the top and right edges are perfectly insulated, that is \dfrac{\partial T}{\partial x}=0,\dfrac{\partial...
  35. E

    Final temperature of two mixed substances (simply enthelpy math)

    Homework Statement A 100-g sample of Cu(s), initially at 100oC, is added to 140 g of water, initially at 25oC. What is the final temperature of the mixture? Specific heat (in J g-1 oC-1) Cu(s) 0.385 H2O(l ) 4.184 Homework Equations Q = m * ΔT * c heat lost = heat gained = m2 * ΔT2 * c2...
  36. K

    Finding the final temperature of mixed ice and steam

    Homework Statement Suppose that 20.0g of steam at 110°C is mixed with 25.0g of ice at -40°C What will the final temperature be? Ice - Specific heat capacity 2.10 J/g°C Water - Specific heat capacity 4.19 J/g°C Water - Latent heat of fusion 334 J/g Water - Latent heat of vaporization 2268...
  37. K

    Finding the final temperature when steam and ice are mixed

    Homework Statement Suppose that 20.0g of steam at 110°C is mixed with 25.0g of ice at -40°C What will the final temperature be? Ice - Specific heat capacity 2.10 J/g°C Water - Specific heat capacity 4.19 J/g°C Water - Latent heat of fusion 334 J/g Water - Latent heat of vaporization 2268 J/g...
  38. I

    Formulating a Mixed Integer Programming Problem

    Homework Statement Not sure if this type of math goes in this section, but I have a quick question regarding a MIP problem. It's simple to grasp, but I'm not sure whether or not I am formulating this problem correctly. A city needs to hire workers to clean the snow. The city is divided into j...
  39. S

    Laplace's equation on a rectangle with mixed b.c.s

    Homework Statement Solve Laplace's equation on the rectangle 0< x< L, 0< y< H with the boundary conditions du/dx(0, y) = 0, du/dx(L, y)=y, du/dy(x, 0)=0, U(x, H)=x. Homework Equations The Attempt at a Solution I would be able to solve it by separation of variables if the last...
  40. H

    What happen if two particles (different IEP) are mixed.

    Homework Statement Suspension of Al2O3 particles and SiO2 particles are prepared seperately at a pH=6. If the two suspensions are mixed, what happen in view of the colloidal stability? Homework Equations The Attempt at a Solution Since the isoelectric point (IEP) of alumina and...
  41. H

    Understanding Unpolarized Spin States in Quantum Mechanics

    I am confused about mixed quantum states, if the only observable states are pure eigenstates, since we have to measure to observe, what is the physical meaning of a mixed state?
  42. M

    Using Mixed Electromagnetic Boundary Conditions

    Hi As we know, we have two kinds of Electromagnetic Boundary Conditions for interfaces in an electromagnetic problem.one is imposing the continuity of Bz and Hr and the other is applying the continuity of A(Magnetic Vector Potential) and the discontinuity of its derivative with respect to the...
  43. D

    MHB Solving Laplace's Eq with Mixed BCs

    Solve Laplace’s equation $\nabla^2u = 0$ on the rectangle with the following boundary conditions: $$ u_y(x,0) = 0\quad u_x(0,y) = 0\quad u(x,H) = f(x)\quad u_x(L,y) + u(L,y) = 0. $$ How are mixed BC handled?
  44. D

    MHB Orthogonality of Eigenfunctions of Mixed Boundary Conditions

    $$ \left.(\phi_n\phi_m' - \phi_m\phi_n')\right|_0^L + (\lambda_m^2 - \lambda_n^2)\int_0^L\phi_n\phi_m dx = 0 $$ where $\phi_{n,m}$ and $\lambda_{n,m}$ represent distinct modal eigenfunctions which satisfy mixed boundary conditions at $x = 0,L$ of the form \begin{alignat*}{3} a\phi(0) + b\phi'(0)...
  45. S

    Mixed symmetry property and degrees of freedom

    How can I calculate degrees of freedom of a rank (o,3) tensor, Aabc, that is mixed symmetry and antisymmetric in the first 2 indices? By mixed symmetry I mean this: Aabc+Acab+Abca=0.
  46. X

    Trace and its square of mixed state density operator using integral

    Homework Statement I want to show that tr\left(\hat{\rho}_{mixed}\right)=1 tr\left(\hat{\rho}_{mixed}^{2}\right)<1 when \hat{\rho}_{mixed}=\frac{1}{2\pi}\int_{0}^{2\pi}d \alpha \hat{\rho}(\psi) Homework Equations tr\left(\psi\right)= \sum_{n}\langle n|\psi|n\rangle...
  47. M

    Mixed parallel & series RLC circuit

    Homework Statement pic: www(dot)freeimagehosting.net/hbnem Calculate impedance , current and power factor Homework Equations The Attempt at a Solution pic: www(dot)freeimagehosting.net/xmy2b First we solve parallel part. In parallel resistor and inductor are sharing voltage...
  48. P

    Oscillator strength of mixed LH- and HH-excitons

    This concerns calculation of Rabi splitting of exciton polaritons when the exciton states are mixed but the mixing is known, i.e., the coefficients of the mixed states are known. I read from a thesis that the Rabi splitting is proportional to the square root of the oscillator strength. Is...
  49. P

    Why aren't mixed ratios allowed in Euclid's Elements ?

    Why aren't mixed ratios allowed in Euclid's "Elements"? Why did Euclid forbid the comparing of different kinds of magnitudes? And was it the same for numbers? Or were ratios specifically meant for magnitudes (lines, planes, solids) What are the consequences of comparing 2 different kinds of...
  50. C

    Difference between mixed states and pure states.

    I am doing my thesis in quantum information and I am learning the background of it, I met this two things mixed and pure states. I have read a few books and a few articles too. But I still can not get the idea. So If anyone can give some help explaining this, would be such a good help. Either if...
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