// Returns a new dense matrix with the given number of rows and columns.
func NewMatrix(rows, columns int) *Matrix {
return &Matrix{
&DenseMat{
common.NewCoreMat(false, rows, columns, columns, 1, 0, 0),
make([]float64, rows*columns),
},
}
}
// Returns a new sparse matrix with the given number of rows and columns.
func NewSparseMatrix(rows, columns int) *Matrix {
return &Matrix{
&SparseMat{
common.NewCoreMat(false, rows, columns, columns, 1, 0, 0),
make(map[int]float64),
},
}
}
func newWrapperMatrix(content Matrix) *WrapperMatrix {
wm := &WrapperMat{
common.NewCoreMat(false, content.Rows(), content.Columns(), content.Columns(), 1, 0, 0),
content,
}
return &WrapperMatrix{
Matrix{wm},
wm,
}
}
func (m *SparseMat) Like(rows, columns int) Mat {
return &SparseMat{
common.NewCoreMat(false, rows, columns, columns, 1, 0, 0),
make(map[int]float64),
}
}
func (m *DenseMat) Like(rows, columns int) Mat {
return &DenseMat{
common.NewCoreMat(false, rows, columns, columns, 1, 0, 0),
make([]float64, rows*columns),
}
}