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Recent content by Omar El-Sewefy

  1. O

    drawing a 3D(mesh or surface) diagram in MATLAB

    Hi perado, you import using xlsread?? Thanks, Omar
  2. O

    drawing a 3D(mesh or surface) diagram in MATLAB

    Hi Perado This is Simple you have an x axis and a y axis right x = [val1 val2 etc..] y = [val1 val2 etc..] [X Y] = meshgrid(x,y) Input_Matrix = [ row1 ; row2 ; etc..] mesh(X,Y,Input_Matrix) Thanks, Omar
  3. O

    Common Emitter Simulation ?

    Hi Mesho Its simple man AC source is used in ORCAD 10 for AC sweep , and its results in transient wont be accurate , for transient analysis you use VSIN source ;)
  4. O

    Capacitance Parametric Sweep

    Dear Colleges I was wondering if anyone can help me on how to perform a capacitance parametric sweep using ORCAD 9.1 Capture? Thanks In Advance
  5. O

    Need materials to learn Matlab fast

    Re: Matlab Well there is a great book called Introduction to MATLAB 7 for Engineers published by Mcgraw Hill Master MATLAB7 also Published by McGraw Hill and the MATLAB Help is very useful
  6. O

    Matlab problem(need help..........thank you)

    Then Either use the same code and change the function laplace to ilaplace to get the inverse laplace transform and draw the signal in the time domain or perform the laplace function over the original signal in the time domain and ezplot the result ;)
  7. O

    Looking for tutorial about writing S-Functions in Matlab

    Can any one point out the fine points about writing a MATLAB S-function or at least point out where I can find a tutorial about this topic
  8. O

    Matlab problem(need help..........thank you)

    Try This Code: syms s t y y=laplace((1-exp(-s*t))/s); ezplot(y) I tried it and it worked nicely also if you can please PM me if the output was what you anticipated or not
  9. O

    ? inplace of matlab.....

    Try Mathematica produced by Wolfram research I think its has less memory consumption than MATLAB or you can try some older versions of MATLAB
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