1. M

    Bit Shifting Calculator

    One more calculator that uses the binary method to determine Bit Shift Left and Bit Shift Right Bit Shifting Calculator
  2. S

    Shifting limits in polar coordinates?

    I was wondering, on the topic of multi-variable limits: I'm very fond of using polar coordinates when investigating the limiting behavior of functions of the type z = f(x,y) as x and y approaches 0. When just needing to decide if the limit exists, it works like a charm to transform to polar...
  3. R

    The graph of y=4 sin(x+3)-2 is obtained by shifting the graph y=4 sin x-2 horizontall

    The graph of y=4 sin(x+3)-2 is obtained by shifting the graph y=4 sin x-2 horizontally 3 units to the left. True or false I think it is true is this right? Please explain. Thank you!
  4. L

    Effect of phase shifting the Fourier transform

    Hello! I am trying to do the following experiment using MATLAB (this is a math question, not a MATLAB question): 1) Calculate the 2D Fourier transform of a grayscale image (range: 0-1/black=0,white=1) 2) Phase shift every single (complex!) pixel in the 2D Fourier transform with the same phase...
  5. vaironxxrd

    How does shifting exactly work

    Hello everyone, I have a small question which is bothering me a lot. I was learning in my precalculus book about the shifting of of functions and it tells me about the function f(x)=/frac{1}{2}(x-1)^4 i understand that it is compressed by a factor of 1/2 and it is shifted 1 unit to the right...
  6. M

    Shifting data and its affect on z-scores

    I have a problem with ‘shifting data’ and how if affects certain measures. Lets take 5 data values: 1, 2, 3, 4, 5. An example of a measure of centre would be the mean (=3) An example of a measure of variation would be the range (=4) A example of a measure of position would be a percentile...
  7. A

    Clarification on shifting functions - on x and y axis

    Hi I understand that a vertical stretch, ie a stretch on y axis is y = af(x) and a horizontal stretch, ie a stretch on the x axis is y=f(ax). and eg y=2sinx is an example of a vertical stretch and y=sin 2x is an example of a horizontal stretch. That's fine. But if I apply to a really...
  8. C

    Taylor Series and shifting indices

    For the truncated form of the Taylor series, the Nth Taylor polynomial is given in our notes as T_{N}(x) = \sum_{n = 0}^N \frac{f^{(n)}(0)}{n!} \cdot x^{n} But then later, he defines T_{3}(x) for f(x)=\sin x as x-\frac{x^{3}}{6} Should it not be expanded to three terms, or is the...
  9. moonnightingale

    kindly explain shifting from integral to summation

    Can any body explain me second and third step of this solution. How book moved from integral to summation
  10. Q

    Shifting spiral of archimedes over to the right and down

    So, I'm graphing a simple spiral of archimedes, r= Θ/20 . Now, I'm trying to figure out how to shift this graph over to the right, and down. But, it doesn't appear to abide by the standard rules of translation with cartesian coordinate systems. Considering this is a polar graph, I would...
  11. W

    Laplace shifting problem

    Hi, I am trying to solve y''+4y=0, 0<t<a; exp(-t), t>a using Laplace transforms. I end up with H(t-a)(exp(-(t-a))-cos(2(t-a))+1/2sin(2(t-a)) where H(t-a) is the Heaviside/unit step function. Is this correct? If not, where have I gone wrong? Cheers, Ben
  12. A

    (Algebra) Just shifting around an equation

    It's been way too long since I've done any algebra, so I'm hoping I can get a quick answer from you guys who are doing it every day. x = (r-(i/g)) * .25 * b I need to rewrite this in terms of b = Thanks for the quick advice.
  13. Z

    Rotation around y and x axis + shifting the fuction

    The first problem states to set up a formula for the volume which u get when the area limited by y=X²+1 and y=5 rotates around y=5. The second problem states to set up a formula for the volume when the area limited by X=2 and y=(8X)^(1/2 rotates around x=2. My progress on the first part is...
  14. moonnightingale

    Shifting from Laplace to time domian and then Z transform

    I want to have Z transform of This function It is in laplac at present exp(sT/2) / s^2 can it be directly converted to Z transform or first i have to make in time domain by taking Laplac inverse and then taking its Z transform
  15. C

    Fourier Transform of rect and time shifting.

    The transform is simple, but I am sure I am missing something in the end. f(t) = 0 for [-inf --> 2] 8 for [2 --> 6] 0 for [6 --> +inf] If i just put a standart Fourier transform equation into it and put limits for integral as 2 (for lower) and 6 (for higher) I come up with two...
  16. I

    Need help shifting a graph 180*

    I'm making a spreadsheet for things engine/internal combustion related and, me being not the smartest, am running into troubles, simple stuff for a few of you I'm sure. My basic question right now is this, How do I shift this 180*...
  17. A

    second shifting theorem

    Hi all, I am having trouble gettin the answer to the attached question. I need to find f(t) and then find L[f(t)] using the t -shifting theorem. I tried working it out... f(t) = e^t - e^t u(t-2) But when i take the Laplace transform i can't get the answer. The answer is (1 - e^(2...
  18. K

    Shifting y to 1 side

    Hi,I'm confused as to this equation: y=\sqrt{-y+2} How exactly can I shift all the variables to 1 side and remove the root? If I try multiplying the whole equation by the root, I get a root on the left while if I multiply a root for the 2nd time, I get a root on the right. So how exactly can...
  19. zangestu888

    INverse Laplace Transform Second Shifting!

    Find the inverse laplace transform of e^{-pi(s)}/(s^2+9) what i think it is, (1/3)u(t-pi)sin3t am not sure if am gettin the concept of this second shifting or should it be 1/3*u(t+pi)sin3(t+pi) any help will be appreciated thanks, if someone can please expain to me so i get the...
  20. realintegerz

    Shifting functions

    The height of a piston in a cylinder can be modeled by a sine or cosine function. A piston is at its lowest point in a cylinder, 8 cm from the bottom at t = 3.2 seconds. The piston is at its highest at 39 cm, at t=3.6 seconds I'm trying to find an equation for this function but I can't seem to...