Sketch Definition and 185 Threads

Hello everyone! I need your help with the next sketch: I need to find the angle between the red line and the horizontal ($\alpha$). I did try everything that i could imagine but even so i couldn't find it. According to the book, the angle should be: $\alpha=20~degrees$ How can i calculate it?

Hey guys, I'm trying to wrap my head around this electronic schematics of a PLC, because I've started ladder-programming it. Can anyone explain to me why are there TWO diodes before the transistor? I get that one diode shows an "active" or "inactive" state when it's turned on or not. But why...

Sketch the region in the plane consisting of all points (x, y) such that $|x-y|+|x|-|y| \le 2$. This looks like it involves the triangle inequality, but can anyone point me in the right direction? :D

Homework Statement Sketch, on a set of common axes, waveforms to represent the transient response of circuits having transfer functions with the following parameters: a) ζ = 0.5, ω = 1×10^3 rad s^-1 b) ζ = 0.2, ω = 2×10^3 rad s^-1 c) ζ = 2, ω = 1×10^3 rad s^-1 Homework...

12a) Sketch the sinusoidal graphs that satisfy the properties below: Period: 4 Amplitude: 3 Equation of the Axis: y = 5 Number of Cycles: 2 So, I know how to graph sinusoidal functions, but I can't figure out the max and min that would satisfy both the equation of the axis and the amplitude listed.

Homework Statement As seen in picture: A coaxial transmission line has a characteristic impedance of 50 Ω, propagation velocity of 200m/μs, length of 400m, and is terminated by a load resistance, RR = 16.7 Ω. At the sending end the line is connected to a pulse generator that has an...

Homework Statement Consider the function ƒ:-k,k→R, where ƒ(x) = 1/√(k2-x2), where k is a positive constant. (i) Sketch the graph of y = ƒ(x) (ii) What is the domain of the function? Homework Equations ƒ(x) = 1/√(k2-x2) The Attempt at a Solution I don't understand how I am supposed...

Homework Statement Particle moves in one dimension in the potential shown here. The energy E is shown on the graph and the particle is in its ground state. Sketch ψ(x) Homework Equations ψ''+2m(E-V0)/ħ^2 ψ=0 The Attempt at a Solution For E>V0: The graph of ψ goes toward x...

Homework Statement Homework Equations The Attempt at a Solution Ok so I think I know how to get the direction. It's going to be perpendicular to the tangent of the level curve and pointing in the direction where f(x,y) is increasing. So on the graph that was provided it will...

Hi guys, So as title states, how would one sketch Re(iz) = 3? And an explanation would be splendid. This is what I thought: let z = a + bi i(a+bi) = -b + ai Therefore: Re(iz) = -b = 3 So Real axis = -3? Or would it be Real axis = 3 Since iz is an arbitrary complex number and...

Hello guys, I'm currently reading through K&K Intro to Mechanics book, and I'm on page 26 where I encounter a bit odd derivation. The authors say: I'm rather lost on this part. I don't know which sketch corresponds to this equation.

Homework Statement I am given the graph of the potential of a particle, and the particle is in its ground state. I must make the graph of the wave-function with respect to x. (A) Sketch psi(x) for this particle. (B) You make a measurement to find the particle. Indicate on your graph...

Homework Statement Sketch the following regions and state the interior and the closure: a) |z-2+i|≤1 b) Im(z)>1 Homework Equations z=x+iy The Attempt at a Solution a) z=x+iy so |x+iy-2+i|-> |(x-2)+i(y+1)|≤1 So (x-2)2+(y+1)2≤1 So it would just be a circle on the real plane...

Homework Statement As shown in the attached sketch, derive a non-transcendental equation for the angle, X, given that the parameters A,B, d and R are known variables. Homework Equations Basic trig. The Attempt at a Solution I have derived an equation which is a function of X as...

Homework Statement Sketch the region of the complex plane specified by: |z - 4 + 3i| ≤ 5 Homework Equations The Attempt at a Solution I have tried re-writing the modulus as √[(z)^2 (- 4)^2 + (3i)^2] and from this I have managed to arrive at z ≤ 3√2 But not sure if I needed...

basically, i am given a function and told to sketch it. f(x)=abs(x+4) + abs(3-x) i didnt know how to do it, so i used this site ( http://rechneronline.de/function-graphs/ ) it gave this graph with a really weird shape , can anyone explain it?? i tried to google it to find the answer, but i...

Homework Statement A firework rocket is fired vertically upwards from the ground. It accelerates uniformly from rest with an acceleration of 8.0 ms−2 for 5.0 s after which time the fuel of the rocket has all been used. Sketch graphs to show how the gravitational potential energy and the...

Homework Statement I am very uncomfortable with the concept of "level sets" and don't quite get what it means. Homework Equations y = 2(x1)^2 - (x1)(x2) + 2(x2)^2 y = 2x1^(1/2) * x2^(1/2) The Attempt at a Solution I'm not even sure where to start... Can anyone please give me...

Homework Statement Hi all. I am having trouble to understand the combination of transformation on a function: h(x)= a*f(b(x-c))+dHomework Equations The problem I am struggling with is the order of transformation; I do see that: f(x-c) is translation in the right since every event happen before...

Can you help me check my work and tell me what is the application of the circuit? Homework Statement Sketch Vout versus Vin as Vin varies from 0 to VDD. Identify important points. Homework Equations MOS transistor equations in triode and saturation modes. The Attempt at a Solution

Hello, I wanted to take some time and show how to sketch the graph of a function! If you see anything that is wrong, please PM me and I will correct it!:) I hope you enjoy, understand and learn!:) 1. An exponential function Draw the graph of y=e^{-2x^3+3x^2+1} Okay, the first thing I...

Homework Statement See code below: The Attempt at a Solution I am simply trying to get the code to work: When I try to compile, the terminal says that apparently the package ptolemy.plot.* package does not exist and so does not recognise statements like PlotFrame etc.. Why is this...

Homework Statement Sketch the graphs of the functions. Indicate intervals on which the function is increasing, decreasing, concave up, or concave down; indicate relative maximum points, relative minimum points, points of inflection, horizontal asympototes, vertical asymptotes, symmetry, and...

Homework Statement Sketch the graphs of the functions. Indicate intervals on which the function is increasing, decreasing, concave up, or concave down; indicate relative maximum points, relative minimum points, points of inflection, horizontal asymptotes, vertical asymptotes, symmetry, and...

Homework Statement calc extension shears dilatation and rotation u(sub)i= ex(sub)i ... e is constant Homework Equations The Attempt at a Solution I have no clue where to start. I am reading the textbook and can't understand how to apply it to this problem. Any help would be...

Homework Statement "Sketch the V_o vs V_i relationship for a voltage controlled voltage source amplifier" Homework Equations none really The Attempt at a Solution Ok, so I understand and know by heart the ideal and the practical relationships for a (respectively) ideal and...

So I have a function \(f(x,y)=\sqrt{2x+3y}\) and need to find the gradient at the point (-1,2). I got this part already, its \(\frac{1}{2}\hat{i}+\frac{3}{4}\hat{j}\). The part I'm having trouble with is when it asks me to sketch the gradient with the level curve that passes through (-1,2). The...

Hello, I wasn't sure where exactly to make the topic. The question is what kind of program/software would you recommend using for designing electric circuit diagrams. Cheers

Hi What do you think is the best way to test an Arduino sketch without uploading to the board? ie. What is the best piece of software available? I’m currently writing an Arduino sketch and it would be very usefull if I could test it without having to upload it to the actual Arduino board...

Homework Statement Consider the interatomic potential between 2 atoms: $$U(r) = U_o \left[exp\left(\frac{-2(r-a)}{a}\right) - 2exp \left(\frac{-(r-a)}{a} \right) \right],$$ where r is the separation between the two atoms and ##U_o## and a are constants. 1)Evaluate the expressions in the...

Need to find sketch of "Coronal section thru the posterior frontal lobe..." ? Hey everyone, I need to find a sketch of the following: "Coronal section through the posterior frontal lobe to reveal basal ganglis lateral to the diencephalon" ?? Having a tough time finding one. This...

"Sketch the form of the Fourier transform" - is this right? Question ~ sketch the "form of the Fourier transform" for the function: f(k) = sin^2(ka/2) / (ka/2)^2So I'm thinking it will look like a cos [or sin] graph (shifted so that its 'above' *f(k)=0*) and that there will be some sort...

sketch the line described by the equation |z - u| = |z| u = -1 + j√3 I don't understand how to do this. I'm not sure of what z is exactly. Can anybody explain to me what it is?

Homework Statement Homework Equations The solution which I found: http://www.lamst-a.net/upfiles/mRA51397.png The Attempt at a Solution I tried to solve part (a) http://www.lamst-a.net/upfiles/wFU51621.jpg Please explain it to me.

I have a bit of a misunderstanding with;y = (x - 2)^2I understand it to be a quadratic, and if I used the formula to work it out I would see two roots,x = - 2 or x = 2 If I put the above equation into a graphics calculator the result is always x = 2Looking at the equation above I could just say...

Homework Statement light with a wavelength of 520 nm abd 630 nm passes through a diffraction grating that contains 6000 lines/cm. a) sketch a diagram of the image produced from m=0 to m=2, label the order of each fringe b) calculate the angles for the first and second order maxima that...

Hi all Please help me with this question, thanks a lot. My attempt on this question is that i can calculate the damping ratio from the magnitude diagram, approximately 0.16 I can't do more than that, please help. I will be grateful even if you pointing me a direction solving this. cheers

Homework Statement Sketch the curve r = 1 + 2cosθ in polar coordinates. Homework Equations None that I can think of, it's graphing. The Attempt at a Solution What I was trying to was use the method of finding cartesian coordinates and plugging different values of θ into the equation to...

Homework Statement In cylindrical coordinates, sketch the surface defined by z=6 The hand drawn sketch shown in the answer I have appears to be a rectangular or square plane at z=6 Should the plane be square/rectangular or should it be circular? To illustrate, the blue plane in the diagram...

Homework Statement Sketch: {z: \pi?4 < Arg z ≤ \pi} Homework Equations The Attempt at a Solution Is it right to assume z0 = 0 ; a = a (radius = a) ; and taking \alpha = \pi/4 ; \beta = \pi And now in order to sketch the problem after setting up the complex plane is it correct...

Homework Statement Show that if z_1,z_2 \in \mathbb{C} then |z_1+z_2| \leq |z_1| + |z_2| Homework Equations Above. The Attempt at a Solution I tried by explicit calculation, with obvious notation for a,b and c: my frist claim is not that the triangle inequality holds, just that...

Homework Statement In the Xilinx software symbol library (student edition version 10.1), the maximum number of inputs for AND and OR gates is 9. What would you do if a 10-input AND and OR gates are needed? Draw the schematic diagrams and show the connections.Homework Equations...

Homework Statement Sketch the output waveform for the given circuit and inputs (see attachment) Homework Equations For AND gate: x = AB (multiply the inputs to get the output) The Attempt at a Solution attached is my sketch. How to multiply 2 waveforms?

Homework Statement An a.c. voltage, V, comprises of a fundamental voltage of 100 V rms at a frequency of 120 Hz, a 3rd harmonic which is 20% of the fundamental, a 5th harmonic which is 10% of the fundamental and at a phase angle of 1.2 radians lagging. (i) Write down an expression for the...

Hey guys, Been struggling with this all day. I've got the following situation: x1*=-x1+x2 x2*=-2x1-x2 Where the 1&2 after the x are subscripts. Now i can find the equilibrium no trouble: (0,0). I also know, by looking at the eigenvalues that it is a sink. But how on Earth do you sketch it...

The function f(x) is periodic with period 2\pi and is defined by f(x) = -cos(x) when -\pi<x<0 = cos(x) when 0<x<\pi Sketch f from x=-3\pi to 3\pi. My question is, when -\pi<x<0 and 0<x<\pi, how am I supposed to graph the function from -3\pi to 3\pi?

From the given waveform (of current), sketch the energy from t = 0 to t = 2T. Given: R = 10 Ohms, i = 10 Amps I'm having trouble with this even though it's probably really easy. I know WR = ∫Ri2(t) dt so for one period, for example, I have ∫10(102) dt with limits of integration from 0 to T/2 =...

Homework Statement sketching Homework Equations How to sketch H(sin(x)) if H(x) is a step function How would you start ?!

Sketch g(t) = f(-3t + 9). I know how to work this out with trial and error: t = 0 => g(t) = f(9) = 0 t = 1 => g(t) = f(6) = 0 t = 2 => g(t) = f(3) = 2 t = 3 => g(t) = f(0) = -3 t = 4 => g(t) = f(-3) = 0 etc... How do I do this in a faster and more reliable way, taking into account...

Homework Statement If a transfer function has poles at (-1,2) and (-1,-2) and a zero at (0,0): a) Sketch |H(jω)| on the interval 0≤ω≤10. b) If |H(jω)| = 1, what is the approximate value of |H| at its highest point? Homework Equations The Attempt at a Solution I think I have...