Question

我正在尝试用C语言编写MATLAB转义函数。到目前为止，我有这个：

int n=Length(SignalArray);
int m=Length(FilterArray);
TempX=[SignalArray,Zeros(1,FilterArray)];
TempH=[FilterArray,Zeros(1,SignalArray)];
for(int i=0;i<n+m-1;i++){
       ResultArray(i)=0;
        for(int j=0;j<=m-1;j++){
            if(i-j+1>0){
                int TempVal=ResultArray(i)+TempX(j)*TempH(i-j);
                ResultArray(i)=TempVal;
            }
        }
    }

卷积结果的第一个元素很好但是最后一个元素要么是正确的，要么显示为一个非常高的数字（类似于10的幂9）。

请帮忙。

Answer 1

好。所以我使用了以下函数（其中函数AddAtSpecificIndex具有原型AddAtSpecificIndex（Array，Value，Index））：

Protected Sub RadGrid1_NeedDataSource(ByVal source As Object, ByVal e As GridNeedDataSourceEventArgs) 'Handles RadGrid1.NeedDataSource
    Dim RadGrid1 As RadGrid = CType(Page.FindControl("RadGrid1"), RadGrid)
    RadGrid1.DataSource = GetDataTable("SELECT کالا.شناسه, کالا.عنوان, کالا.پوشه, بارگیری, کالا.گروه_شناسه, گروه.عنوان AS گروه FROM کالا LEFT JOIN گروه ON کالا.گروه_شناسه = گروه.شناسه")
End Sub

Public Function GetDataTable(ByVal query As String) As DataTable
    Dim ConnString As String = ConfigurationManager.ConnectionStrings("ConnectionString").ConnectionString
    Dim conn As SqlConnection = New SqlConnection(ConnString)
    Dim adapter As SqlDataAdapter = New SqlDataAdapter
    adapter.SelectCommand = New SqlCommand(query, conn)
    Dim table1 As New DataTable
    conn.Open()
    Try
        adapter.Fill(table1)
    Finally
        conn.Close()
    End Try
    Return table1
End Function

C

1 个答案: