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Project Description
# matrix_vector
A python package for matrices and vectors operations.
The package implements two classes - Vector and Matrix.

class Vector:
# Vector#__init__(self, *args)
Initialize a Vector object.

Example:
>> Vector(1, 2, 3)
=> <matrix_vector.vector.Vector object>

Arguments:
N numbers

# Vector#size(self)
Returns the size of the vector(number of coordinates).
Example:

>> Vector(1, 2, 3).size
=> 3

Arguments:
No arguments

# Vector#__add__(self, other)
Adds two vectors or adds a number to the elements of vector. Returns a new object.

Example:
>> Vector(1, 2, 3) + Vector(4, 5, 6)
=> Vector(5, 7, 9)

Example:
>> Vector(1, 2, 3) + 3
=> Vector(4, 5, 6)

Arguments:
vector : (Vector)
or
number : (Numeric)

# Vector#__sub__(self, other)
Substracts two vectors or substracts a number from the elements of the vector. Returns a new object.

Example:
>> Vector(1, 2, 3) - Vector(4, 5, 6)
=> Vector(-3, -3, -3)

Example:
>> Vector(1, 2, 3) - 3
=> Vector(-2, -1, 0)

Arguments:
vector : (Vector)
or
number : (Numeric)

# Vector#__iadd__(self, other)
Adds two vectors or adds a number to the elements of the vector. Changes the object.

Example:
>> Vector(1, 2, 3) += Vector(4, 5, 6)
=> Vector(5, 7, 9)

Example:
>> Vector(1, 2, 3) += 3
=> Vector(4, 5, 6)

Arguments:
vector : (Vector)
or
number : (Numeric)

# Vector#__isub__(self, other)
Substracts two vectors or substracts a number from the elements of the vector. Changes the object.

Example:
>> Vector(1, 2, 3) -= Vector(4, 5, 6)
=> Vector(-3, -3, -3)

Example:
>> Vector(1, 2, 3) -= 3
=> Vector(-2, -1, 0)

Arguments:
vector : (Vector)
or
number : (Numeric)

# Vector#__getitem__(self, key)
Access elements of the vector with [] operator

Example:
>> Vector(1, 2, 3)[2]
=> 3

Arguments:
number : (int)

# Vector#__mul__(self, other)
Depending on the argument either multiplies a number with the elements of the vector or finds the scalar product of two vectors.
Example:
>> Vector(1, 2, 3) * 2
=> Vector(2, 4, 6)

Example(scalar product):
>> Vector(1, 2, 3) * Vector(2, 2, 2)
=> 12

Arguments:
number : (Numeric)
or
vector : (Vector)

# Vector#__imul__(self, other)
Multiplies a number with the elements of the vector changing the object.

Example:
>> Vector(1, 2, 3) * 2
=> Vector(2, 4, 6)

Arguments:
number : (Numeric)

# Vector#__xor__(self, other)
Returns the cross product of two 3-dimension vectors. Returns new object.

Example:
>> Vector(1, 2, 3) ^ Vector(4, 5, 6)
=> Vector(-3, 6, -3)

Arguments:
vector : (Vector)

# Vector#__ixor__(self, other)
Returns the scalar product of two 3-dimension vectors. Changes the object.

Example:
>> Vector(1, 2, 3) ^ Vector(4, 5, 6)
=> Vector(-3, 6, -3)

Arguments:
vector : (Vector)

# Vector#__truediv__(self, other)
Divides the elements of the vector by a nubmer. Returns new object.

Example:
>> Vector(3, 9, 6) / 3
=> Vector(1, 3, 2)

Arguments:
number : (Numeric)

# Vector#__itruediv__(self, other)
Divides the elements of the vector by a nubmer. Changes the object.

Example:
>> Vector(3, 9, 6) / 3
=> Vector(1, 3, 2)

Arguments:
number : (Numeric)

# Vector#length(self)
Returns the length of the vector.

Example:
>> Vector(1, 2, 3).length
=> 3.7416

Arguments:
No arguments

# Vector#normalized(self)
Returns the normalized vector of the vector.

Example:
>> Vector(1, 2, 3).normalized()
=> Vector(0.2673, 0.5345, 0.8018)

Arguments:
No arguments

# Vector#normalize(self)
Normalizes the vector. Changes the object.

Example:
>> Vector(1, 2, 3).normalize()
=> Vector(0.2673, 0.5345, 0.8018)

Arguments:
No arguments

# Vector#round(self, number):
Rounds the coordinates of the vector. Changes the object.

Example:
>> Vector(1.345, 2.438, 3.535).round(2)
=> Vector(1.34, 2.44, 3.53)

Arguments:
number : (int)



class Matrix:
# Matrix#__init__(self, *rows)
Initialize Matrix object.

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9])
=> <matrix_vector.matrix.Matrix object>

Example:
>> Matrix(Vector(1, 2, 3), Vector(4, 5, 6), Vector(7, 8, 9))
=> <matrix_vector.matrix.Matrix object>

Arguments:
N sequences or N vectors of the same size

# Matrix#rows(self)
Returns the number of rows of the matrix.

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]).rows()
=> 3

Arguments:
No arguments

# Matrix#colums(self)
Returns the number of colums of the matrix.

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]).colums()
=> 3

Arguments:
No arguments

# Matrix#get_colum(self, number)
Returns the n-th colum of the matrix as an object of class Vector.

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]).get_colum(1)
=> Vector(2, 5, 8)

Arguments:
number : (int)

# Matrix#get_row(self, number)
Returns the n-th row of the matrix as an object of class Vector.

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]).get_row(1)
=> Vector(4, 5, 6)

Arguments:
number : (int)

# Matrix#is_same_dimension(self, matrix)
Boolean method checkig if two matrices have the same dimensions.

Example:
>> Matrix([1, 2], [4, 5]).is_same_dimension(Matrix([3, 2], [6, 7]))
=> True

Arguments:
matrix : (Matrix)

# Matrix#__add__(self, other)
Depending on the argument either adds a number to the elements of the matrix or adds two matrices. Returns a new object.

Example(number):
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]) + 2
=> Matrix([3, 4, 5], [6, 7, 8], [9, 10, 11])

Example(matrix):
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]) + Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9])
=> Matrix([2, 4, 6], [8, 10, 12], [14, 16, 18])

Arguments:
number : (Numeric)
or
matrix : (Matrix)

# Matrix#__iadd__(self, other)
Depending on the argument either adds a number to the elements of the matrix or adds two matrices. Changes the object.

Example(number):
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]) + 2
=> Matrix([3, 4, 5], [6, 7, 8], [9, 10, 11])

Example(matrix):
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]) + Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9])
=> Matrix([2, 4, 6], [8, 10, 12], [14, 16, 18])

Arguments:
number : (Numeric)
or
matrix : (Matrix)

# Matrix#__sub__(self, other)
Depending on the argument either substracts a number from the elements of the matrix or substracts two matrices. Returns a new object.

Example(number):
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]) - 2
=> Matrix([-1, 0, 1], [2, 3, 4], [5, 6, 7])

Example(matrix):
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]) - Matrix([1, 1, 3], [2, 5, 7], [2, 3, 4])
=> Matrix([0, 1, 0], [2, 0, -1], [5, 5, 5])

Arguments:
number : (Numeric)
or
matrix : (Matrix)

# Matrix#__isub__(self, other)
Depending on the argument either substracts a number from the elements of the matrix or substracts two matrices. Changes the object.

Example(number):
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]) - 2
=> Matrix([-1, 0, 1], [2, 3, 4], [5, 6, 7])

Example(matrix):
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]) - Matrix([1, 1, 3], [2, 5, 7], [2, 3, 4])
=> Matrix([0, 1, 0], [2, 0, -1], [5, 5, 5])

Arguments:
number : (Numeric)
or
matrix : (Matrix)

# Matrix#__getitem__(self, index)
Access the elements of the matrix with the [] operator.

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9])[1]
=> Vector(4, 5, 6)

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9])[1][2]
=> 6

Arguments:
number : (int)

# Matrix#transposed(self)
Tranposes a matrix. Returns a new object.

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]).transposed()
=> Matrix([1, 4, 7], [2, 5, 8], [3, 6, 9])

Arguments:
No arguments

# Matrix#transpose(self)
Tranposes a matrix. Changes the object.

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]).transpose()
=> Matrix([1, 4, 7], [2, 5, 8], [3, 6, 9])
Arguments:
No arguments

# Matrix#__mul__(self, other)
Depending on the argument eigher multiplies the matrix elements with a number or mlultiplies two matrices.

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]) * 2
=> Matrix([2, 4, 6], [8, 10, 12], [14, 16, 18])

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]) * Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9])
=> Matrix([30, 36, 42], [66, 81, 96], [102, 126, 150])
Arguments:
number : (Numeric)
matrix : (Matrix)

# Matrix#minor(self, i, j)
Returns a matrix without the row and the colum given as arguments.

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]).minor(0, 1)
=> Matrix([4, 6], [7, 9])

Arguments:
number1 : (int)
number2 : (int)

# Matrix#determinant(self)
Finds the determinant of a square matrix.

Example:
>> Matrix([1, 2, 3], [4, 5, 6], [7, 8, 9]).determinant()
=> 0

Example:
>> Matrix([1, 3, 5], [-4, 7, 1], [5, -2, 1]).determinant()
=> -99

Arguments:
no arguments

# Matrix#inversed(self)
Finds the inverse of a square matrix.

Example:
>> Matrix([3, 4], [5, 2]).inversed()
=> Matrix([-0.1428, 0.2857], [0.3571 ,-0.2142])

Arguments:
no arguments

# Matrix#round(self, number)
Rounds the elements of the matrix. Changes the object.

Example:
>> Matrix([-0.093, 0.131, 0.323], [-0.092, 0.242, 0.211], [0.272, -0.173, -0.192]).round(2)
=> Matrix([-0.09, 0.13, 0.32], [-0.09, 0.24, 0.21], [0.27, -0.17, -0.19])

Arguments:
number : (int)
Release History

Release History

0.1.2

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