hi, i create a program:
% optimal algorithm
clear allclose all%%Insert value in Matlab
dlg_title = 'Insert Factor Value';x1 = inputdlg('Enter number of channels:',dlg_title, [1 50]);n = str2num(x1{:});x2 = inputdlg('Enter input power for each channel (mW):',dlg_title, [1 50]);p = str2num(x2{:})*10^-3;x3 = inputdlg('Enter channel spacing (nm):',dlg_title, [1 50]);delta_lambda = str2num(x3{:})*10^-9;x4 = inputdlg('Enter distance transmission (km):',dlg_title, [1 50]);distance = str2num(x4{:});CreateStruct.Interpreter = 'tex';CreateStruct.WindowStyle = 'modal';choice = menu('Choose optical fiber type','Single-mode fiber ( G.652 )','Dispersion-shifted fiber ( G.653 )','Non-zero dispersion-shifted fiber ( G.655 )');if choice==1 alphadb = 0.20; dispersion=16; slope=0.080; A=80; recommend=sprintf('Single-mode fiber ( G.652 ) is not suitable for this situation');elseif choice==2 alphadb = 0.22; dispersion=0.001; slope=0.075; A=50; recommend=sprintf('Dispersion-shifted fiber ( G.653 ) is not suitable for this situation');else alphadb = 0.23; dispersion=3; slope=0.050; A=72; recommend=sprintf('Non-zero dispersion-shifted fiber ( G.655 ) is not suitable for this situation');endB=2.5
i also have some code below
now if the: distance > 104000/(B^2*dispersion) , i want to DISPLAY a message box: "distance is not good. try again" and QUIT the program, else the program CONTINUES .
Best Answer