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/390194/8477709
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/388078/8637219
m wilhil.m
function [chi2]=wilhil(nu,p)
% Syntax: [chi2]=wilhil(nu,p);
% Wilson-Hilferty approximation to chi-squared.
%
% Inputs: p - single-tailed probability
% nu - degrees of freedom.
%
www.eeworm.com/read/181714/9240345
m trapmeth.m
function [x, y] = trapmeth(A, ab, y0, N)
% Compute approximation of the solution of the initial value
% problem y' = Ay, y(a) = y0 on the interval ab = [a,b].
% A is a square matrix.
% Trapezo
www.eeworm.com/read/376593/9313195
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/424063/10499827
m d2cm.m
function [acout,bc,cc,dc] = d2cm(a,b,c,d,Ts,method,w)
%D2CM Conversion of discrete LTI systems to continuous-time.
% [Ac,Bc,Cc,Dc] = D2CM(A,B,C,D,Ts,'method') converts the discrete-
% time state-sp
www.eeworm.com/read/424063/10500032
m c2dm.m
function [adout,bd,cd,dd] = c2dm(a,b,c,d,Ts,method,w)
%C2DM Conversion of continuous LTI systems to discrete-time.
% [Ad,Bd,Cd,Dd] = C2DM(A,B,C,D,Ts,'method') converts the continuous-
% time state-
www.eeworm.com/read/422930/10601427
vb chebyshevexpansions.vb
' The ChebyshevSeries class resides in the
' Extreme.Mathematics.Curves namespace.
Imports Extreme.Mathematics.Curves
' The Constants class and RealFunction delegate reside in the
' Extreme.Math
www.eeworm.com/read/159517/10644708
c a_d(d_a)converters.c
/* adc.c - successive approximation A/D converter */
#include
double dac();
int u();
void adc(x, b, B, R)
double x, R;
int *b, B;
{
int i;
double y, xQ, Q;
www.eeworm.com/read/422221/10654691
c a_d(d_a)converters.c
/* adc.c - successive approximation A/D converter */
#include
double dac();
int u();
void adc(x, b, B, R)
double x, R;
int *b, B;
{
int i;
double y, xQ, Q;