mrdivide, /

Right-matrix division

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Syntax

X = A/b
X = mrdivide(A, b)

Description

example

X = A/b performs right-matrix division.

X = mrdivide(A, b) is an alternative way to execute X = A/b.

Examples

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Open Live Script

In this example, you use the forward slash (/) operator to perform right matrix division on a 3-by-3 magic square of fi objects. Because the numerator input is a fi object, the denominator input b must be a scalar.

A = fi(magic(3))
A=3×3 object
     8     1     6
     3     5     7
     4     9     2

          DataTypeMode: Fixed-point: binary point scaling
            Signedness: Signed
            WordLength: 16
        FractionLength: 11


b = fi(3,1,12,8)
b = 
     3

          DataTypeMode: Fixed-point: binary point scaling
            Signedness: Signed
            WordLength: 12
        FractionLength: 8

X = A/b
X=3×3 object
    2.6250    0.3750    2.0000
    1.0000    1.6250    2.3750
    1.3750    3.0000    0.6250

          DataTypeMode: Fixed-point: binary point scaling
            Signedness: Signed
            WordLength: 16
        FractionLength: 3
Open Live Script

You can perform right-matrix division when neither input is a fi object. The matrix dimensions must be compatible for matrix division.

A = [2, 3, 1; 0, 8, 4; 1, 1, 0]
A = 3×3

     2     3     1
     0     8     4
     1     1     0


B = [7, 6, 6; 1, 0, 5; 9, 0, 4]
B = 3×3

     7     6     6
     1     0     5
     9     0     4


X = mrdivide(A,B)
X = 3×3

    0.5000   -0.2927   -0.1341
    1.3333    0.0325   -1.0407
    0.1667   -0.2033    0.0041

Input Arguments

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Numerator, specified as a scalar, vector, matrix, or multidimensional array. If one or both of the inputs is a fi object, then b must be a scalar. When b is a scalar, mrdivide is equivalent to rdivide.

Data Types: single | double | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64 | logical | fi
Complex Number Support: Yes

Denominator, specified as a real scalar, vector, matrix, or multidimensional array. If one or both of the inputs is a fi object, then b must be a scalar. When b is a scalar, mrdivide is equivalent to rdivide.

If neither input is a fi object, then the sizes of the input matrices must be compatible for matrix division.

Data Types: single | double | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64 | logical | fi

Output Arguments

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Solution, returned as an array with the same dimensions as the numerator input A. When A is complex, the real and imaginary parts of A are independently divided by b.

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using MATLAB® Coder™.

See Also

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Introduced in R2009a

Fixed-Point Designer Documentation

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