MATLAB Programming Fundamentals - MathWorks

Convert from Numeric Values to Character Array

In this section...

“Function Summary” on page 6-61

“Convert Numbers to Character Codes” on page 6-62

“Represent Numbers as Text” on page 6-62

“Convert to Specific Radix” on page 6-62

Function Summary

The functions listed in this table provide a number of ways to convert numeric data to

character arrays.

Function Description Example

char Convert a positive integer to an equivalent character.

(Truncates any fractional parts.)

[72 105] → 'Hi'

string Convert an array of double-precision values to a

string array.

[72 105] → "72"

"105"

[3.1416 2.178] →

"3.1416" "2.178"

int2str Convert a positive or negative integer to a character

type. (Rounds any fractional parts.)

[72 105] → '72 105'

num2str Convert a numeric type to a character type of the

specified precision and format.

[72 105] →

'72/105/' (format set

to %1d/)

mat2str Convert a numeric type to a character type of the

specified precision, returning a character vector

MATLAB can evaluate.

[72 105] → '[72

105]'

dec2hex Convert a positive integer to a character type of

hexadecimal base.

[72 105] → '48 69'

dec2bin Convert a positive integer to a character type of

binary base.

[72 105] → '1001000

1101001'

Convert from Numeric Values to Character Array