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function y=seidel(a,b,x0) D=diag(diag(a)); U=-triu(a,1); L=-tril(a,-1); G=(D-L)\U; f=(D-L)\b; y=G*x0+f;n=1; while norm(y-x0)>=1.0e-6 x0=y; y=G*x0+f; n=n+1; end n

x1=[0 1 3]; y1=zeros(length(x1),length(x1)); y1(:,1)=[1 3 2]'; x=0:0.5:3; Neville(x1,y1,x)

% ambfn1.m - plots ambiguity function of a signal u_basic (row vector) % % The m-file returns a plot of quadrants 1 and 2 of the ambiguity function of a signal % The ambiguity function is defined as

% calplotsig7.m - Written by Eli Mozeson and Nadav Levanon % used by ambfn7 for calculation and plot of the signal when the signal is defined % by u_amp, u_phase and u_freq (single carrier signal) %

% cw_sgnl.m - prepares a periodic signal repeated 16 times % written by Nadav Levanon %for use with "cross_ambfn2.m" plotting code sig_flag=input(' Signal: Frank16=0, P4=1, Golomb15=2, sinusoidal-FM=

% gaussian_sinc.m - Gauusian windowed sinc waveform % written by Nadav Levanon on 4 June 2003 % single bit shape nn=201; nn2=(nn-1)/2; nn22=nn2/2; small=.00000001; nnn=-nn2:nn2; arg_bit=small+4*pi

% steplfm_gui.m - stepped train of LFM pulses with GUI % written by Eli mozeson and Nadav Levanon % creates signal for use with ambiguity function plotting program % create the signal parameters inp

% "ambfn7.m" - builds an MMI and calls dedicated m-files to calcualte the signal % complex envelope, plot signals phase, amplitude and frequency structure, and % ambiguity function and periodic ampbi

% cross_ambfn2.m - amodification of "ambfn1.m" for plotting cross ambiguity % between two signals OF THE SAME LENGTH % Designed to allow mismatch caused by FFT Dopp

% quadriphase_barker13.<mark>m</mark> - Barker 13 code using Taylor's quadriphase <mark>m</mark>odification % written by Nadav Levanon on 2 <mark>M</mark>ay 2003 nn=14; <mark>m</mark><mark>m</mark>=100; <mark>m</mark><mark>m</mark><mark>m</mark>=1:<mark>m</mark><mark>m</mark>; a<mark>m</mark>p_rise=sin(2*pi/4/<mark>m</mark><mark>m</mark>*<mark>m</mark><mark>m</mark><mark>m</mark>); a<mark>m</ ...