Recent content by queenstudy

  1. Q

    MATLAB [Matlab] Numerical Code for the NLS equation

    thats the exact error that is given to me ? Attempt to execute SCRIPT input as a function: C:\Users\Abd Lebnen\Documents\MATLAB\input.m Error in ==> leboz at 3 distance= input('enter fiber length (in units of L_D)= ');
  2. Q

    MATLAB [Matlab] Numerical Code for the NLS equation

    no i am trying to run it in matlab2010 does it make any difference between different editons
  3. Q

    MATLAB [Matlab] Numerical Code for the NLS equation

    hello i just copied the Numerical Code for the NLS equation which is the following: %---specify input parameters clear all; distance=input('enter fiber length(in units of L_D)='); beta2=input(' dispersion: 1 for normal, -1 for anomalous'); N=input('Nonlinear parameter N=')...
  4. Q

    Graduate What is the formula for the differential cross section and macro cross section?

    thanks for the help but the first 2 formulas are new to me but the third is what i am looking for but there is another syntax for it i still don't remember it but thanks any way
  5. Q

    Graduate What is the formula for the differential cross section and macro cross section?

    hello , can anyone give the formula of the differential cross section and the macro cross section because in each web i see a different notation thank you
  6. Q

    Engineering Types of Engineers: Petroleum, Power, Electrical

    you see i always wanted to be an engineer but i failed when i entered the faculty of engineer now I am the first in my calss in physics because of the experience of my failure in engineer I am so lost i don't know what do i like i really don't I am really afraid of failing again if i get back to...
  7. Q

    Engineering Types of Engineers: Petroleum, Power, Electrical

    you see i love engineer but now I am in my third year in physics and i want to continue my studies by becoming an engineer in australia is it possible
  8. Q

    Engineering Types of Engineers: Petroleum, Power, Electrical

    types of engineer?? what is the difference between petroleum engineer , power enginner and electrical engineer ? does anyone have any details about how much one gets payed?? thank you
  9. Q

    Understanding Peak Inverse Voltage (PIV): Why Is It Important?

    what about the formula PIX greater than Vm in both half and full rectification why?? thank you guys for the help
  10. Q

    Understanding Peak Inverse Voltage (PIV): Why Is It Important?

    i read this sentence like a 100 times and i still don't get it please can anyone help me?? PEAK INVERSE VOLTAGE (PIV): PIV is the maximum reverse bias voltage which can be applied safely to a diode without its breaking down. Beyond this voltage a diode breaks down they say the PIV must be...
  11. Q

    Engineering Series RLC Circuit & Differential Equations

    i had to prove it and i did all the steps . I know the magnitude of the impedence of the circuit , but can anyone please do a detailed calculation by using phasors for this equation?? and thank you
  12. Q

    Convert Power Point to DVD for Mom's Mother's Day

    its okay i found what i need thanks anyway
  13. Q

    Convert Power Point to DVD for Mom's Mother's Day

    my sisters and i are doing a slide show for mom by using power point but we couldn't convert power point to dvd can anyone help us please for mother's day please
  14. Q

    Determine the rate of emission of quanta from the station

    thank you very much i now understand it , the good thing is learning a new concept called photon density
  15. Q

    Determine the rate of emission of quanta from the station

    can you tell me how did you calculate the energy density and photon density?