Mat_d (struct)¶
The Mat_d represents a dense matrix.
/*
** Example: Mat_d
*/
// create a 4 row, 3 column matrix
Mat_d mat(4, 3);
Methods¶
Mat_d ( in Integer rows, in Integer cols ) | |
Mat_d ( in Mat_d that ) | |
Mat_d () | |
Boolean | almostEqual ? ( in Mat_d that ) |
Boolean | almostEqual ? ( in Mat_d that, in Float64 precision ) |
appendDesc ? ( io String string ) | |
Mat_d | clone ? () |
Integer | cols ? () |
Boolean | equal ? ( in Mat_d that ) |
Float64 | get ? ( in Integer row, in Integer col ) |
UInt32 | hash ? () |
Mat_d | linearInterpolate ? ( in Mat_d that, in Float64 t ) |
resize ! ( in Integer rows, in Integer cols ) | |
Integer | rows ? () |
set ! ( in Integer row, in Integer col, in Float64 val ) | |
setAll ! ( in Float64 val ) | |
setDiagonal ! ( in Integer size, in Float64 val ) | |
setDiagonal ! ( in Vec_d vec ) | |
setIdentity ! ( in Integer size ) | |
setNull ! () | |
String | sizeDesc ? () |
Mat_d | sub ? ( in Integer rs, in Integer re, in Integer cs, in Integer ce ) |
Mat_d | topLeft ? ( in Integer rows, in Integer cols ) |
Float64 | trace ? () |
Mat_d | transpose ? () |
Methods in detail¶
Mat_d ( in Integer rows, in Integer cols )
Construct a matrix with rows
and cols
dimensions
Construct a matrix from the matrix that
Mat_d ()
default constructor
Boolean Mat_d.almostEqual? ( in Mat_d that )
Returns true if this matrix is almost the same as another one (using a default precision)
Boolean Mat_d.almostEqual? ( in Mat_d that, in Float64 precision )
Returns true if this matrix is almost the same as another one
Mat_d.appendDesc? ( io String string )
Append a String description of this matrix and its element
values to the io String string
clone method
Integer Mat_d.cols? ()
Boolean Mat_d.equal? ( in Mat_d that )
Returns true if this matrix is the same as another one
Float64 Mat_d.get? ( in Integer row, in Integer col )
Return the element value at row
and col
Hash for this matrix
Mat_d Mat_d.linearInterpolate? ( in Mat_d that, in Float64 t )
Linearly interpolates this matrix with another one based on a scalar blend value (0.0 to 1.0)
Mat_d.resize! ( in Integer rows, in Integer cols )
Resize the matrix to rows
and cols
dimensions
Integer Mat_d.rows? ()
Mat_d.set! ( in Integer row, in Integer col, in Float64 val )
Set the element value at row
and col
Mat_d.setAll! ( in Float64 val )
Set all the matrix element values to val
Mat_d.setDiagonal! ( in Integer size, in Float64 val )
setting the diagonal components of this matrix to a scalar
Mat_d.setDiagonal! ( in Vec_d vec )
Set to a diagonal matrix given the diagonal elements
Mat_d.setIdentity! ( in Integer size )
Set the matrix to an identity matrix of size
rows and cols
Mat_d.setNull! ()
Set the values of all matrix elements to zero
Return a String description of this matrix and its dimensions
Mat_d Mat_d.sub? ( in Integer rs, in Integer re, in Integer cs, in Integer ce )
Mat_d Mat_d.topLeft? ( in Integer rows, in Integer cols )
Compute the trace of the matrix. The matrix must be square.