Cubic+Spline 源代码

function [x_v,xx,yy]=my_interp(y_v,x_vect,y_vect,interp_method) % y_v= 0.1 , 0.01 etc. BLER value % x_v = Ior/Ioc value (dB) whi…

x=0:10;y=sin(x);xi=0:.25:10; % 将插值方法定义为单元数组 strmod={'nearest','linear','spline','cubic'} % 将X轴标识定义为单元数组 strlb=…

function v = splinetx(x,y,u) %SPLINETX Textbook spline function. % v = splinetx(x,y,u) finds the piecewise cubic interpolatory…

function [res] = INTE(J,JJ) % This function is used by Cubic Spline Rayleigh Ritz Method % (Algorithm 11.6). res = JJ-J+3;

function [res] = INTE(J,JJ) % This function is used by Cubic Spline Rayleigh Ritz Method % (Algorithm 11.6). res = JJ-J+3;

function fit(x,y,ftype,number) % Fit Handles different fit models in GUI. % All the software included in this package is present…

function v = splinetx(x,y,u) %SPLINETX Textbook spline function. % v = splinetx(x,y,u) finds the piecewise cubic interpolatory…

function v = splinetx(x,y,u) %SPLINETX Textbook spline function. % v = splinetx(x,y,u) finds the piecewise cubic interpolatory…

% % Cubic Spline Interpolation % clear; % % interpolation of Runge's function (1+x^2)^(-1) % on the interval [-5, 5] % clear; …

% % Cubic Spline Interpolation % clear; n = 4; x = [ 0.1; 0.2; 0.3; 0.4]; f = [ -0.6205; -0.2839; 0.0066; 0.2484]; z = [ 0.25 ];…