PDFSharp_XPS2PDF.rar
PDFSharp开源程序中,将XPS转换为PDF文档的PDFSharp的DLL库
MainWindow.xaml
MainWindow.xaml.cs
PDFSharp_XPS2PDF.csproj
国密 SM2 SM3 签名 验签 加解密 公私钥 带测试类
国密 SM2 SM3 签名 验签 加解密 公私钥 带测试类
SM2国密算法:包括,
SM2签名验证算法;
制作SM2证书;
基于BouncyCastle开源库;
SM2.cs
SM3Digest.cs
SM2_SM3.csproj
K线操盘练习软件
使用C#开发的一个K线操盘练习软件,使用的是真实的K线数据,可以自动走时,可以模拟交易,导出历史交易记录;经常操作可以培养操盘感觉。
非线性最小二乘法
非线性最小二乘法数据拟合算法实现
Private Sub Command1_Click()
'PROGRAM D9R8A
'Driver for routine MRQMIN
NPT = 100
MA = 6
SPREAD = 0.001
Dim X(100), Y(100), SIG(100), A(6), LISTA(6)
Dim COVAR(6, 6), ALPHA(6, 6), GUES(6)
A(1) = 5#: A(2) = 2#: A(3) = 3#: A(4) = 2#: A(5) = 5#: A(6) = 3#
GUES(1) = 4.5: GUES(2) = 2.2: GUES(3) = 2.8
GUES(4) = 2.5: GUES(5) = 4.9: GUES(6) = 2.8
IDUM& = -911
'First try a sum of two Gaussians
For I = 1 To 100
X(I) = 0.1 * I
Y(I) = 0#
For J = 1 To 4 Step 3
Y(I) = Y(I) + A(J) * Exp(-((X(I) - A(J + 1)) / A(J + 2)) ^ 2)
Next J
Y(I) = Y(I) * (1# + SPREAD * GASDEV(IDUM&))
SIG(I) = SPREAD * Y(I)
Next I
MFIT = MA
For I = 1 To MFIT
LISTA(I) = I
Next I
ALAMDA = -1
For I = 1 To MA
A(I) = GUES(I)
Next I
Call MRQMIN(X(), Y(), SIG(), NPT, A(), MA, LISTA(), MFIT, COVAR(), ALPHA(), MA, CHISQ, ALAMDA)
K = 1
ITST = 0
1 Print "Iteration #"; K; "Chi-squared: ";
Print Format$(CHISQ, "#####.##00");
Print " ALAMDA: "; Format$(ALAMDA, ".##E+00")
Print Tab(5)
Print Tab(3); "A(1) A(2) A(3) A(4) A(5) A(6)"
For I = 1 To MA
Print Format$(A(I), "#.###0"),
Next I
Print Tab(5)
K = K + 1
OCHISQ = CHISQ
Call MRQMIN(X(), Y(), SIG(), NPT, A(), MA, LISTA(), MFIT, COVAR(), ALPHA(), MA, CHISQ, ALAMDA)
If CHISQ > OCHISQ Then
ITST = 0
ElseIf Abs(OCHISQ - CHISQ) < 0.1 Then
ITST = ITST + 1
End If
If ITST < 2 Then
GoTo 1
End If
ALAMDA = 0#
Call MRQMIN(X(), Y(), SIG(), NPT, A(), MA, LISTA(), MFIT, COVAR(), ALPHA(), MA, CHISQ, ALAMDA)
Print Tab(5); "Uncertainties:"
For I = 1 To MA
Print Format$(Sqr(COVAR(I, I)), "#.###0"),
Next I
Print Tab(5); "Expected results:"
Print Tab(2); "5.0 2.0 3.0 2.0 5.0 3.0"
End Sub
WPF示例库代码
WPF开发示例代码
此应用程序将许多示例包装到单个可浏览的程序中。 它演示了 Windows Presentation Foundation (WPF) 应用程序布局、数据绑定、图形、控件和动画。 可以针对特定的编程语言或 可扩展应用程序标记语言 (XAML) 筛选示例。
ComponentArt_WebUI_2008_1_for_aspnet35.exe
ComponentArt_WebUI_2008_1_for_aspnet35.exe