Overload List
| # | Signature | Description |
|---|---|---|
| 1 | TMtxVec *ArcCot() const; | Inverse cotangens. |
| 2 | TMtxVec *ArcCot(int Index, int Len) const; | Calculate the inverse cotangens of calling object elements [Index]...[Index+Len-1] in-place. |
| 3 | TMtxVec *ArcCot(TMtxVec *X) const; | Calculate the inverse cotangens of all X object elements and store the results in the calling object. |
| 4 | TMtxVec *ArcCot(TMtxVec *X, int XIndex, int Index, int Len) const; | Calculate the inverse cotangens of X object elements [XIndex]...[XIndex+Len-1]. The results are stored in calling object elements [Index]...[Index+Len-1]. |
Overload 1: TMtxVec *ArcCot() const;
Inverse cotangens.
Remarks:
Calculate the inverse cotangens for all calling object elements in-place. The return values are expressed in radians.
Examples
#include "Math387.h"
#include "MtxExpr.h"
using namespace Dew;
using namespace Dew::Math;
void Example()
{
Matrix a;
a.SetIt(2, 2, false, DewArray<double>{ 1.0, 1.5, 2.0, 3.0 });
a.ArcCot();
Matrix expected;
expected.SetIt(2, 2, false, DewArray<double>{ 0.785398163397448, 0.588002603547568, 0.463647609000806, 0.321750554396642 });
if (!a.IsEqual(expected, 1e-10, TCompare::cmpAbsolute))
throw tException("Matrix.ArcCot: mismatch");
}#include "MtxExpr.h"
#include "Units.MtxExpr.h"
using namespace Dew;
using namespace Dew::Math;
using namespace Dew::Math::Units::MtxExpr;
void Example()
{
Matrix A, B;
A.SetIt(2, 2, true, DewArray<double>{1, 0, 2, 0,
2, 0, 4, 1}); // 2x2, complex matrix
B.ArcCot(A); //or
B = ArcCot(A);
}See Also: Matrix::Cot, Matrix::ArcTan
Declared in Dew::Math::Matrix · Dew.Math/MtxExpr.h · Cross-compiler
Overload 2: TMtxVec *ArcCot(int Index, int Len) const;
Calculate the inverse cotangens of calling object elements [Index]...[Index+Len-1] in-place.
| # | Name | Type | Description |
|---|---|---|---|
| 1 | Index | int | |
| 2 | Len | int |
Remarks:
An exception is raised if array borders are overrun.
Examples
#include "MtxExpr.h"
#include "Units.Math387.h"
#include "Units.MtxExpr.h"
using namespace Dew;
using namespace Dew::Math;
using namespace Dew::Math::Units::Math387;
using namespace Dew::Math::Units::MtxExpr;
void Example()
{
Matrix A, B;
A = {{Cplx(1, 0), Cplx(2, 0)}, {Cplx(2, 0), Cplx(4, 1)}}; // 2x2, complex matrix
B.ArcCot(A); //or
B = ArcCot(A);
}Declared in Dew::Math::Matrix · Dew.Math/MtxExpr.h · Cross-compiler
Overload 3: TMtxVec *ArcCot(TMtxVec *X) const;
Calculate the inverse cotangens of all X object elements and store the results in the calling object.
| # | Name | Type | Description |
|---|---|---|---|
| 1 | X | TMtxVec * |
Remarks:
Size and Matrix::Complex properties of calling object are adjusted automatically.
Examples
#include "Math387.h"
#include "MtxExpr.h"
using namespace Dew;
using namespace Dew::Math;
void Example()
{
Matrix a;
Matrix x;
x.SetIt(2, 2, false, DewArray<double>{ 1.0, 1.5, 2.0, 3.0 });
a.ArcCot(x);
Matrix expected;
expected.SetIt(2, 2, false, DewArray<double>{ 0.785398163397448, 0.588002603547568, 0.463647609000806, 0.321750554396642 });
if (!a.IsEqual(expected, 1e-10, TCompare::cmpAbsolute))
throw tException("Matrix.ArcCot: mismatch");
}Declared in Dew::Math::Matrix · Dew.Math/MtxExpr.h · Cross-compiler
Overload 4: TMtxVec *ArcCot(TMtxVec *X, int XIndex, int Index, int Len) const;
Calculate the inverse cotangens of X object elements [XIndex]...[XIndex+Len-1]. The results are stored in calling object elements [Index]...[Index+Len-1].
| # | Name | Type | Description |
|---|---|---|---|
| 1 | X | TMtxVec * | |
| 2 | XIndex | int | |
| 3 | Index | int | |
| 4 | Len | int |
Remarks:
Size and Matrix::Complex properties of the calling object must be set explicitly. An exception is raised if array borders are overrun.
Declared in Dew::Math::Matrix · Dew.Math/MtxExpr.h · Cross-compiler