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Editorial Team
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Asked: 2026-05-23T10:58:43+00:00

I’m getting the decibel values in negative. I just want to plot these values

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I’m getting the decibel values in negative. I just want to plot these values on a graph ranging from 0 to 100. So is there any way to convert the decibel values into positive values?

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1 Answer

  1. Editorial Team

    Just use fabs() C++ method

    fabs function
    double fabs ( double x );
    float fabs ( float x ); long double fabs ( long double x );
    Compute absolute value

    Returns the absolute value of x ( /x/
    ).

    In C++, abs is also declared in this
    header with the same behavior.

    Parameters x Floating point value.

    Return Value The absolute value of x.

    Portability In C, only the double
    version of this function exists with
    this name.

    fabs reference

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