#MATLAB, 13 bytes#

@(x)[97-x '']

After running the above, simply call the function with your input string to get the inverted string. For example running:

ans('10101110101010010100010001010110101001010')

prints:

01010001010101101011101110101001010110101

MATLAB, 13 bytes

@(x)[97-x '']

After running the above, simply call the function with your input string to get the inverted string. For example running:

ans('10101110101010010100010001010110101001010')

prints:

01010001010101101011101110101001010110101

#MATLAB, 15 bytes#

a=@(x)[97-x '']

After running the above, simply call the function with your input string to get the inverted string. For example running:

a('10101110101010010100010001010110101001010')

prints:

01010001010101101011101110101001010110101

#MATLAB, 13 bytes#

@(x)[97-x '']

After running the above, simply call the function with your input string to get the inverted string. For example running:

ans('10101110101010010100010001010110101001010')

prints:

01010001010101101011101110101001010110101

#MATLAB, 16 bytes#

a=@(x)char(97-x)

After running the above, simply call the function with your input string to get the inverted string. For example running:

a('10101110101010010100010001010110101001010')

prints:

01010001010101101011101110101001010110101

#MATLAB, 15 bytes#

a=@(x)[97-x '']

After running the above, simply call the function with your input string to get the inverted string. For example running:

a('10101110101010010100010001010110101001010')

prints:

01010001010101101011101110101001010110101