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# dec2bin

binary representation

### Calling Sequence

[str]=dec2bin(x[,n])

### Arguments

- x
scalar/vector/matrix of positives integers

- n
a positive integer

- str
a string or a vector of string

### Description

Given `x`

, a positive (or a vector/matix of
integers) integer, this function returns a string (or a column vector of
strings) which is the binary representation of `x.`

If
dimension of `x`

is superior than 1 then each component
of the colums vector `str`

is the binary representation
of the `x`

components (i.e `str(i)`

is
the binary representation of `x(i)`

). If the components
length of `str`

is less than `n`

( i.e
length str(i) < n ), then add to `str`

components the
characters '0' on the left in order to have componants length equal to
`n.`

### Examples

// example 1 : x=86; str=dec2bin(x) // example 2 : // the binary representation of 86 is: '1010110' // its length is 7(less than n), so we add to str, 8 times the character '0' (on the left) x=86;n=15; str=dec2bin(x,n) // example 3 : x=[12;45;135] z=dec2bin(x)

### See Also

- base2dec — conversion from base b representation to integers
- bin2dec — integer corresponding to a binary form
- oct2dec — conversion from octal representation to integers
- hex2dec — conversion from hexadecimal representation to integers
- dec2oct — octal representation of integers
- dec2hex — hexadecimal representation of integers

## Comments

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