matlab rounding method

The way to round numbers in MATLAB is to use the round() function, which can round to the nearest integer or to a specified number of decimal places. You can use positive n to round away from zero, and negative n to round toward zero.

Rounding method in MATLAB

In MATLAB, you can use the built-in functionround() Round numbers. This function accepts a number or array of numbers as input and returns the corresponding number or array of numbers rounded to the specified precision.

Usage

round(x): Round to the nearest integer.

round(x, n): Rounding to the specified number of decimal places n. A positive number means rounding away from zero, a negative number means rounding towards zero.

Example

• ##Round to the nearest whole number:

  <code>>> round(3.14)
  3
  >> round(-2.71)
  -3</code>

• Round to two decimal places Digits:

  <code>>> round(1.2345, 2)
  1.23
  >> round(-0.5678, 2)
  -0.57</code>

• Rounded to three decimal places:

  <code>>> round(2.56789, 3)
  2.568
  >> round(-3.14159, 3)
  -3.142</code>

Notes

• round() The function always rounds to the nearest number, or to an even number if the two numbers are equidistant.
If
• n is a negative number, it is rounded to a multiple of 10^(-n).
If
• n is zero, round to the nearest integer.

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