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/409626/11317659
m nr.m
function [r, niter] = NR(f, J, x0, tol, rerror, maxiter, varargin)
% Zero r of the nonlinear system of equations f(x) = 0.
% Here J is the Jacobian matrix of f and x0 is the initial
% approxim
www.eeworm.com/read/409626/11317679
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
www.eeworm.com/read/402842/11527066
m frit_nla.m
function imrec = frit_nla(im, wname, ncoefs, plotflag)
% FRIT_NLA FRIT non-linear approximation
%
% imrec = frit_nla(im, wname, ncoefs, [plotflag])
%
% Input
% im: Input image
% wname: wavelet name u
www.eeworm.com/read/402283/11539730
m mm2201.m
% mm2201.m
N = 128; % choose a power of 2 for speed
t = linspace(0,3,N); % time points for function evaluation
f = 2*exp(-3*t); % evaluate the function and minimize aliasing: f(3) ~ 0
Ts = t(2)
www.eeworm.com/read/156874/11757728
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/154760/11929105
m clt.m
function [y1,y2] = clt(ty,n)
%CLT Gaussian approximation for repeated convolution.
%
% [YA,YG] = CLT(TY,N) Gaussian approximation for N repeated convolutions
% TY = 't' for conv of tri signals, '
www.eeworm.com/read/257010/11960614
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/257010/11960767
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/153823/12004096
m fixseq.m
function s = fixseq(a,tol)
%FIXSEQ Fixed sequence proportional to percentage of demand.
% s = fixseq(a,tol)
% a = n-element vector of demands
% tol = tolerance of rational approximation to dem
www.eeworm.com/read/341613/12075756
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