Function definition and description Testing your removeNoise function

To test your

function, first get a set of radiation data by typing this into the Command Window:

rad $=$ scan$\_$radiation$(30$

The function header and comments are provided for you in the file called removeNoise$\_$starter.m$.$ Don't forget to remove $\_$starter from

the filename before you try to call this function.

function $[$ rad $]=$ removeNoise$($ rad, n $)$

$\%$ Removes noise from a matrix of radiation

$\%$ values by applying an nxn mean filter three

$\%$ times.

$\%$

$\%$ n: The size of the filter $($e$.$g$.$ if n$=3,$

$\%$ use a $3$x$3$ filter$)$

$\%$

rad: a matrix of numbers representing

$\%$ the radiation measurements from

$\%$ the scanner.

Testing your removeNoise function

To test your removeNoise function, first get a set of radiation data by typing this into the Command Window:

rad $=$ scan$\_$radiation$(30)$;