eps

Quantized relative accuracy for fi or quantizer objects

Syntax

d = eps(a)

d = eps(q)

Description

d = eps(a) returns the value of the least significant bit of the fi object a. The result of this function is equivalent to that given by the Fixed-Point Designer™ function lsb.

example

d = eps(q) returns the value of the least significant bit of the fixed-point representation for quantizer object q.

example

Examples

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Quantized Relative Accuracy of `fi` Object

a = fi(pi, 1, 8)
eps(a)

ans =

    0.1250

Quantization Level of `quantizer` Object

q = quantizer('fixed',[6 3]);
eps(q)

ans =

    0.1250

Input Arguments

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`a` — Input `fi` object
`fi` object

Input fi object.

Data Types: fi

`q` — Input `quantizer` object
`quantizer` object

Input quantizer object.

Extended Capabilities

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

Usage notes and limitations:

Code generation supports scalar fixed-point signals only.
Code generation supports scalar, vector, and matrix, fi single and fi double signals.

HDL Code Generation
Generate VHDL, Verilog and SystemVerilog code for FPGA and ASIC designs using HDL Coder™.

Supported for scalar fixed-point signals only.
Supported for scalar, vector, and matrix, fi single and fi double signals.

Version History

Introduced before R2006a

eps

Syntax

Description

Examples

Quantized Relative Accuracy of fi Object

Quantization Level of quantizer Object

Input Arguments

a — Input fi object fi object

q — Input quantizer object quantizer object