protected static MatrixInt DotMultiplication(
MatrixInt matrixLeft,
MatrixInt matrixRight)
{
if (matrixLeft.ColumnCount != matrixRight.RowCount)
{
throw new DimensionMismatchException("Number of columns in first matrix does not equal number of rows in second matrix.");
}
var rawResult = new int[matrixLeft.RowCount, matrixRight.ColumnCount];
for (int row = 0; row < rawResult.GetLength(0); row++)
{
for (int col = 0; col < rawResult.GetLength(1); col++)
{
int sum = 0;
for (int k = 0; k < matrixLeft.ColumnCount; k++)
{
sum += matrixLeft[row, k] * matrixRight[k, col];
}
rawResult[row, col] = sum;
}
}
MatrixInt result = new MatrixInt(rawResult);
return(result);
}
public MatrixInt Transpose()
{
var rawResult = Transpose(this);
var result = new MatrixInt(rawResult);
return(result);
}
public MatrixInt GetRangeOfColumns(
RangeInt columnRange)
{
var baseResult = GetRangeOfColumns(this, columnRange);
var result = new MatrixInt(baseResult);
return(result);
}
public MatrixInt GetRangeOfRows(
RangeInt rowRange)
{
var baseResult = GetRangeOfRows(this, rowRange);
var result = new MatrixInt(baseResult);
return(result);
}
protected static MatrixInt Negative(
MatrixInt matrix)
{
return(new MatrixInt(
UnaryElementWiseOperation(
matrix,
(a) => - a
)));
}
public MatrixInt SubMatrix(
RangeInt rowRange,
RangeInt columnRange)
{
var baseResult = SubMatrix(this, rowRange, columnRange);
var result = new MatrixInt(baseResult);
return(result);
}
public static MatrixInt Concatenate(
MatrixInt matrixLeft,
MatrixInt matrixRight)
{
var baseResult = MatrixBase <int> .Concatenate(matrixLeft, matrixRight);
var result = new MatrixInt(baseResult);
return(result);
}
protected static MatrixInt Mod(
MatrixInt matrix,
int scalar)
{
return(new MatrixInt(
ElementWiseOperation(
matrix,
scalar,
(a, b) => a % b
)));
}
protected static MatrixInt Multiplication(
MatrixInt matrixLeft,
MatrixInt matrixRight)
{
return(new MatrixInt(
ElementWiseOperation(
matrixLeft,
matrixRight,
(a, b) => a * b
)));
}
protected static MatrixInt Subtraction(
MatrixInt matrixLeft,
MatrixInt matrixRight)
{
return(new MatrixInt(
ElementWiseOperation(
matrixLeft,
matrixRight,
(a, b) => a - b
)));
}
public bool Equals(MatrixInt other)
{
if (RowCount != other.RowCount)
{
throw new DimensionMismatchException("The number of rows in this matrix does not equal the number of rows in other matrix");
}
if (ColumnCount != other.ColumnCount)
{
throw new DimensionMismatchException("The number of columns in this matrix does not equal the number of columns in other matrix");
}
for (var row = 0; row < RowCount; row++)
{
for (var col = 0; col < ColumnCount; col++)
{
if (this[row, col] != other[row, col])
{
return(false);
}
}
}
return(true);
}
public int FindColumn(MatrixInt column)
{
var result = FindColumn(this, column);
return(result);
}
internal int FindRow(MatrixInt row)
{
var result = FindRow(this, row);
return(result);
}
public MatrixInt AppendRows(MatrixInt rows)
{
var baseResult = AppendRows(this, rows);
return(new MatrixInt(baseResult));
}