What is Fit: Definition and 368 Discussions

Fit-fit or fir-fir (Ge'ez: ፍትፍት fitfit; ፍርፍር firfir), (Oromo: chechebsaa), is an Eritrean and Ethiopian food typically served as breakfast. Fit-fit is served by preparing sauce and shredding injera or kitcha into pieces and mixing the two. It is generally made with shredded flat bread, spiced clarified butter, and the hot spice berbere. There are two main varieties of fit-fit depending on the type of flatbread being used: the sourdough injera and the unleavened kitcha.

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  1. S

    Im English, what category do I fit into?

    I'm British and I'm in the 6th form (I'm 16, soon to turn 17 and doing A-Level Physics). Do I post my queries in the K-12 forum or the college forum?
  2. wolram

    Staying in Shape: Tips for Keeping Fit

    How do you keep fit ??
  3. S

    Curve Fit, Correlation, and Computer Software

    A computer program, MicroLab, deals with finding the best fit curve, or allowing for linear regression of the first, second, and third orders, of a given set of data (particularly modeling nonlinear data). I am trying to stimulate this analysis on a graphing calculator (i.e., TI-83 Plus and...
  4. C

    Finding a function to 'fit' data? Regression?

    Say i have a set of points that aren't necessarily linear, but are planar, and all follow a 'general' trend in the same direction. Say, something like this: http://img343.imageshack.us/img343/2218/pointdistribution1jo.jpg This is an entirely random example, but hopefully it'll help you...
  5. marcus

    New one by Moffat (comparing fit to rotation curves)

    in case if might be of interest http://arxiv.org/abs/astro-ph/0506370 Galaxy Rotation Curves Without Non-Baryonic Dark Matter J. R. Brownstein, J. W. Moffat Submitted to ApJ, June 20, 2005. 43 pages, 7 figures, 4 tables, 101 galaxies "We apply the modified acceleration law obtained from...
  6. J

    Temperature Required for Brass Plug and Iron Ring to Fit

    A brass plug is to be placed in a ring made of iron. At room temperature (20oC), the diameter of the plug is 8.755 cm and that of the inside of the ring is 8.745 cm. They must be brought to what common temperature (in Co) in order to fit? The coefficient of linear expansion for brass is...
  7. Evo

    Is the Fit through Fat diet really healthy and effective for weight loss?

    New "Fit through Fat" diet I think I'd have a hard time staying on a diet like this, how many calories a day would that be? :bugeye: "what a nutritionist would call a recipe for heart attacks is just what one doctor ordered for Izabela Strepak. She went from a size 14 to a size 4...
  8. J

    How to Calculate Uncertainty in Polynomial Fit Parameters Using Excel?

    I performed a fit, using EXCEL, to data and the fit gave me a polynomial. How do I get the uncertainty in the resulting parameters. For example the least squares fit gives y = Ax+B and there are equations to give the uncertainties in A and B. IS there a program that does this for non linear...
  9. P

    Aerobic vs Anaerobic Activities: Keeping Fit

    I would like to have an explanation of why aerobic activities,like jogging, help one man to keep fit while anaerobic activities, like lifting weight, contribute little effort.
  10. G

    Measuring Length of Bike Saddle for Proper Fit

    Hey everyone...I need work out how big my bike alarm has to be to fit under a bike saddle...so could you please tell me by how far you move your saddle up, so you can ride your bike properly and sit comfortably?...This can be done by measuring the length of the metal rod that holds the saddle...
  11. J

    Line of Best Fit: Accuracy & Data Analysis

    Would a larger number of points in the line of best fit give a larger accuracy to the data?
  12. A

    Maple Plotting Points and Adding Best Fit Curve in Maple

    I'm quite a beginner in maple and I want to plots some points with a Scatterplot and add the bestfit curve but I can't get maple to put both in the same plot...:uhh: I'd also liek to know how to make a scatterplot with max/min extensions of evry points (I have no idea how you call these)...
  13. A

    Non linear curve fit - parameter accuracy

    Hi, Suppose i fit some data with a curve, using Levenberg-Marquardt (or equivalent). How do I estimate the accuracy of the parameters (by this i mean p plus or minus something). I've read somewhere that its done using the jacobian and covariance matricies I think, but not sure. Anyone know if...
  14. J

    How can I use Excel to find the line of best fit for a set of data points?

    :confused: I have plotted a few points (8 infact ) in Excel and would like to acquire the equation for the line of best fit. How do I do this using the computer or do I have to do it by hand?
  15. S

    Uncertainty when using a line of best fit

    I was just wondering if somebody knows how you find the uncertainty of a value obtained from a line of best fit. In my case I had to estimate the charge left on a capacitor, but to do this I had to integrate from t=120 to t=infinity using the exponential line of best fit. I have no clue how to...
  16. G

    Is There a Formula for Fitting a Sum of Exponentials to Data Points?

    Hi, I want fit the following equation to a set of data points : y = A(exp(-Bx)-exp(-Cx))) I found how to determine A and B for one exp : y = Aexp(-Bx), but I'm not sure if there's a formula for A, B and C in such a sum (or difference) of exponentials. Thanks.
  17. B

    Do dimensions apply in a universe without a center and shape?

    How do the dimension, at least the first three we can observe, fit in the universe? We can monitor up/down, left/right, forward/backward on our planets, yes? But then how does this fit in with the idea that the universe has no center and shape, no true directions. Does this mean that the first...
  18. M

    Can a Trailer Fit Under a Parabolic Arch Bridge?

    Problem 11. A hauing company needs to determine whether a large house trailer can be moved along a highway that passes under a bridge with an opening in the shape of a parabolic arch, 12m wide at the base and 6 m high in the center. If the trailer is 9m wide and 3.2 m tall(measured from the...
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