EMGU: create a Matrix from TXT dataset. Matrix value changed after several times access

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0
down vote

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I have a problem when I create a matrix from TXT data set
TXT data set

1,2,-1

3,4,5

6,7,8

I used a CreateMatrixFromFile to create a matrix from txt file
Matrix value changed
e.x
matrix[0,1] = 2
after several times access to matrix
matrix[0,1] = 2 changed to 0 or Near zero

2018/11/5 9:53:02-----2
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2018/11/5 9:53:02-----0
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2018/11/5 9:53:03-----8.90078774365775E-308
2018/11/5 9:53:03-----8.90078774365775E-308
2018/11/5 9:53:03-----8.90078774365775E-308
2018/11/5 9:53:03-----8.90078774365775E-308
2018/11/5 9:53:03-----8.90078774365775E-308
2018/11/5 9:53:03-----8.90078774365775E-308
2018/11/5 9:53:03-----8.90078774365775E-308
2018/11/5 9:53:03-----8.90078774365775E-308
2018/11/5 9:53:03-----8.90078774365775E-308
2018/11/5 9:53:03-----8.90078774365775E-308
2018/11/5 9:53:03-----8.90078774365775E-308

    public static unsafe Matrix<double> CreateMatrixFromFile(string fileData, int pointCount)

    {

        List<double> rawdata = new List<double>();

        int subLength = 0;

        for (int i = 0; i < fileData.Length; i++)

        {

            string subData = fileData[i].Split(',');



            subLength = subData.Length;

            for (int j = 0; j < subLength; j++)

            {

                double temp = Convert.ToDouble(subData[j]);

                rawdata.Add(temp);

            }

        }



        double dataArray = rawdata.ToArray();

        fixed (double* dataPtr = dataArray)

        {

            return new Matrix<double>(pointCount, subLength, (IntPtr)dataPtr);

        }



    }

edited Nov 5 at 2:14

asked Nov 5 at 2:06

user9623096

New contributor

Sorry, this is my first post on StackOverflow. text Alignment is messed
– user9623096
Nov 5 at 2:08

add a comment |

up vote
0
down vote

favorite

I have a problem when I create a matrix from TXT data set
TXT data set

1,2,-1

3,4,5

6,7,8

I used a CreateMatrixFromFile to create a matrix from txt file
Matrix value changed
e.x
matrix[0,1] = 2
after several times access to matrix
matrix[0,1] = 2 changed to 0 or Near zero

2018/11/5 9:53:03-----0
2018/11/5 9:53:03-----0
2018/11/5 9:53:03-----0

    public static unsafe Matrix<double> CreateMatrixFromFile(string fileData, int pointCount)

    {

        List<double> rawdata = new List<double>();

        int subLength = 0;

        for (int i = 0; i < fileData.Length; i++)

        {

            string subData = fileData[i].Split(',');



            subLength = subData.Length;

            for (int j = 0; j < subLength; j++)

            {

                double temp = Convert.ToDouble(subData[j]);

                rawdata.Add(temp);

            }

        }



        double dataArray = rawdata.ToArray();

        fixed (double* dataPtr = dataArray)

        {

            return new Matrix<double>(pointCount, subLength, (IntPtr)dataPtr);

        }



    }

edited Nov 5 at 2:14

asked Nov 5 at 2:06

user9623096

New contributor

Sorry, this is my first post on StackOverflow. text Alignment is messed
– user9623096
Nov 5 at 2:08

add a comment |

up vote
0
down vote

favorite

I have a problem when I create a matrix from TXT data set
TXT data set

1,2,-1

3,4,5

6,7,8

I used a CreateMatrixFromFile to create a matrix from txt file
Matrix value changed
e.x
matrix[0,1] = 2
after several times access to matrix
matrix[0,1] = 2 changed to 0 or Near zero

2018/11/5 9:53:03-----0
2018/11/5 9:53:03-----0
2018/11/5 9:53:03-----0

    public static unsafe Matrix<double> CreateMatrixFromFile(string fileData, int pointCount)

    {

        List<double> rawdata = new List<double>();

        int subLength = 0;

        for (int i = 0; i < fileData.Length; i++)

        {

            string subData = fileData[i].Split(',');



            subLength = subData.Length;

            for (int j = 0; j < subLength; j++)

            {

                double temp = Convert.ToDouble(subData[j]);

                rawdata.Add(temp);

            }

        }



        double dataArray = rawdata.ToArray();

        fixed (double* dataPtr = dataArray)

        {

            return new Matrix<double>(pointCount, subLength, (IntPtr)dataPtr);

        }



    }

edited Nov 5 at 2:14

asked Nov 5 at 2:06

user9623096

New contributor

I have a problem when I create a matrix from TXT data set
TXT data set

1,2,-1

3,4,5

6,7,8

I used a CreateMatrixFromFile to create a matrix from txt file
Matrix value changed
e.x
matrix[0,1] = 2
after several times access to matrix
matrix[0,1] = 2 changed to 0 or Near zero

2018/11/5 9:53:03-----0
2018/11/5 9:53:03-----0
2018/11/5 9:53:03-----0

    public static unsafe Matrix<double> CreateMatrixFromFile(string fileData, int pointCount)

    {

        List<double> rawdata = new List<double>();

        int subLength = 0;

        for (int i = 0; i < fileData.Length; i++)

        {

            string subData = fileData[i].Split(',');



            subLength = subData.Length;

            for (int j = 0; j < subLength; j++)

            {

                double temp = Convert.ToDouble(subData[j]);

                rawdata.Add(temp);

            }

        }



        double dataArray = rawdata.ToArray();

        fixed (double* dataPtr = dataArray)

        {

            return new Matrix<double>(pointCount, subLength, (IntPtr)dataPtr);

        }



    }

c# matrix emgu

edited Nov 5 at 2:14

asked Nov 5 at 2:06

user9623096

New contributor

edited Nov 5 at 2:14

asked Nov 5 at 2:06

user9623096

New contributor

edited Nov 5 at 2:14

asked Nov 5 at 2:06

user9623096

New contributor

asked Nov 5 at 2:06

user9623096

asked Nov 5 at 2:06

user9623096

New contributor

user9623096 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

Sorry, this is my first post on StackOverflow. text Alignment is messed
– user9623096
Nov 5 at 2:08

add a comment |

Sorry, this is my first post on StackOverflow. text Alignment is messed
– user9623096
Nov 5 at 2:08

Sorry, this is my first post on StackOverflow. text Alignment is messed
– user9623096
Nov 5 at 2:08

add a comment |

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