Matrix::Log10 Method

Matrix Struct

Overload List

#SignatureDescription
1TMtxVec *Log10() const;Log base 10.
2TMtxVec *Log10(TMtxVec *X) const;Calculate the log base 10 for all X elements and store the results in the calling object.
3TMtxVec *Log10(int Index, int Len) const;Calculate the log base 10 for calling object elements [Index]..[Index+Len-1] in-place.
4TMtxVec *Log10(TMtxVec *X, int XIndex, int Index, int Len) const;Calculate the log base 10 for X elements [XIndex]..[XIndex+Len-1] and store the results in the calling object elements [Index]..[Index+Len-1].

Overload 1: TMtxVec *Log10() const;

Log base 10.

Remarks:

Calculate the log base 10 for all calling object elements in-place.

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, 2.0, 4.0, 10.0 });
    a.Log10();
    Matrix expected;
    expected.SetIt(2, 2, false, DewArray<double>{ 0.0, 0.301029995663981, 0.602059991327962, 1.0 });
    if (!a.IsEqual(expected, 1e-10, TCompare::cmpAbsolute))
        throw tException("Matrix.Log10: 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, false, DewArray<double>{10, 100, 1000, 10000}); // a = [10,100,1000,10000]
    a.Log10(); // a = [1,2,3,4], same as:
    a = Log10(a);
    b.Log10(a); //same as
    b = Log10(a);
}
See Also: Matrix::Exp10
Declared in Dew::Math::Matrix · Dew.Math/MtxExpr.h · Cross-compiler

Overload 2: TMtxVec *Log10(TMtxVec *X) const;

Calculate the log base 10 for all X elements and store the results in the calling object.

#NameTypeDescription
1XTMtxVec *
Remarks:

Size and Matrix::Complex properties of the calling Matrix are set implicitly to match the X object.

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, 2.0, 4.0, 10.0 });
    a.Log10(x);
    Matrix expected;
    expected.SetIt(2, 2, false, DewArray<double>{ 0.0, 0.301029995663981, 0.602059991327962, 1.0 });
    if (!a.IsEqual(expected, 1e-10, TCompare::cmpAbsolute))
        throw tException("Matrix.Log10: mismatch");
}
Declared in Dew::Math::Matrix · Dew.Math/MtxExpr.h · Cross-compiler

Overload 3: TMtxVec *Log10(int Index, int Len) const;

Calculate the log base 10 for calling object elements [Index]..[Index+Len-1] in-place.

#NameTypeDescription
1Indexint
2Lenint
Remarks:

An exception is raised if Matrix::ConditionCheck is True and array borders are overrun.

Declared in Dew::Math::Matrix · Dew.Math/MtxExpr.h · Cross-compiler

Overload 4: TMtxVec *Log10(TMtxVec *X, int XIndex, int Index, int Len) const;

Calculate the log base 10 for X elements [XIndex]..[XIndex+Len-1] and store the results in the calling object elements [Index]..[Index+Len-1].

#NameTypeDescription
1XTMtxVec *
2XIndexint
3Indexint
4Lenint
Remarks:

Size and Matrix::Complex properties of the calling object must be set explicitly. An exception is raised if Matrix::ConditionCheck is True and array borders are overrun.

Declared in Dew::Math::Matrix · Dew.Math/MtxExpr.h · Cross-compiler