代码搜索：Approximation
找到约 1,542 项符合「Approximation」的源代码
代码结果 1,542
www.eeworm.com/read/489202/6296199
m dfod2.m
function sysdfod=dfod2(n,T,r)
% sysdfod=dfod2(n,T,r): digital fractional order differentiator
% and integrator
%
% Output:
% Discrete system in the form of the FIR filt
www.eeworm.com/read/486204/6538127
m 6-9.m
%例程6－9 方波信号的离散小波变换
% e.g.6-9.m for example6-9;
%test the function of wavedec.
clear all;
t=0:.01*pi:10*pi;
x=square(t,80);
X=x+randn(size(x))/10;
subplot(5,2,1:2); plot(t,X);
xlabel('Time
www.eeworm.com/read/485392/6561221
m 6-9.m
%例程6－9 方波信号的离散小波变换
% e.g.6-9.m for example6-9;
%test the function of wavedec.
clear all;
t=0:.01*pi:10*pi;
x=square(t,80);
X=x+randn(size(x))/10;
subplot(5,2,1:2); plot(t,X);
xlabel('Time
www.eeworm.com/read/480529/6665674
txt 06-21.txt
例6-21 使用diff函数求数值微分。
解：在命令窗口中输入如下命令，并按Enter键确认。
>> h = .002;
>> x = 0:h:pi;
>> diff(sin(x.^2))/h; %is an approximation to 2*cos(x.^2).*x
>> diff((1:10).^2)
ans =
3 5 7
www.eeworm.com/read/476392/6759378
m chp6ex3.m
chp6fig4 % Graphical display for Example 6.3
dx=1; % Change in variable is set to a high value
x=2; % Initial est
www.eeworm.com/read/476392/6759436
m chp6ex2.m
chp6fig3 % Graphical display for Example 6.2
dx=1; % Change in variable is set to a high value
x=2; % Initial est
www.eeworm.com/read/410134/11301035
m gtls.m
function [r,p,M,dh] = gtls(d,w,m,tol)
% GTLS - Global Total Least Squares approximation with
% one side weighting.
%
% [r,p,M,dh] = gtls(d,w,m,tol)
%
% D = [d1 ... dN] - data matrix, sd := size(D,1)
www.eeworm.com/read/410134/11301084
m mtlsx.m
function [m,dh] = mtlsx(d,x)
% MTLSX - Total Least Squares misfit computation.
% [M,DH] = MTLSX(D,X) gives the TLS misfit M and the TLS
% approximation DH of the data D by the model B(X).
if nargout
www.eeworm.com/read/410134/11301097
m wtlsap.m
function [p,info,dh] = wtlsap(d,w,m,opt)
% WTLSAP - Weighted Total Least Squares approximation
% by alternating projections (Algorithm 2.1).
%
% [p,info,dh] = wtlsap(d,w,m,opt)
%
% D = [d1 ... dN] - d
www.eeworm.com/read/409626/11317631
m numder.m
function der = numder(fun, x, h, n, varargin)
% Approximation der of the first order derivative, at the point x,
% of a function named by the string fun. Parameters h and n
% are user supplied