public void Identity2x3()
{
Assert.Equal(
MathS.Matrix(new Entity[, ]
{
{ 1, 0, 0 },
{ 0, 1, 0 },
}),
MathS.IdentityMatrix(2, 3));
}
public void Identity2()
{
Assert.Equal(
MathS.Matrix(new Entity[, ]
{
{ 1, 0 },
{ 0, 1 }
}),
MathS.IdentityMatrix(2));
}
[Fact] public void WithColumnMatrix2()
{
var m = MathS.IdentityMatrix(5)
.WithColumn(2, MathS.Vector(1, 2, 3, 4, 5))
.WithColumn(4, MathS.Vector(1, 3, 5, 9, 1))
.WithColumn(4, MathS.Vector(5, 6, 7, 8, 9));
Assert.Equal(
MathS.Matrix(new Entity[, ]
{
{ 1, 0, 1, 0, 5 },
{ 0, 1, 2, 0, 6 },
{ 0, 0, 3, 0, 7 },
{ 0, 0, 4, 1, 8 },
{ 0, 0, 5, 0, 9 }
}),
m);
}
[Fact] public void WithRowMatrix2()
{
var m = MathS.IdentityMatrix(5)
.WithRow(2, MathS.Vector(1, 2, 3, 4, 5).T)
.WithRow(4, MathS.Vector(1, 3, 5, 9, 1).T)
.WithRow(4, MathS.Vector(5, 6, 7, 8, 9).T);
Assert.Equal(
MathS.Matrix(new Entity[, ]
{
{ 1, 0, 0, 0, 0 },
{ 0, 1, 0, 0, 0 },
{ 1, 2, 3, 4, 5 },
{ 0, 0, 0, 1, 0 },
{ 5, 6, 7, 8, 9 }
}),
m);
}