11.1 Array Creation and Manipulation

This is a list of routines that manipulate arrays.

compress

To reduce the size of an array by combining data.

concat

To combine elements and/or arrays into arrays.

crosscorr

To calculate the cross-correlation function of two arrays.

despike

To remove spikes from an image.

dimen

To find the dimensions of the array.

endian

To switch the array contents between little-endian and big-endian.

expand

To increase the size of an array using interpolation.

indgen

To put consecutive numbers in an array.

insert

To insert one array into another.

isarray

To determine if a variable is an array.

readarr

To read arbitrary numbers of values from the keyboard into an array.

redim

To change the dimensions of an array without changing the data.

replace

To replace specific values in the array.

reverse

To reverse the values in an array.

runcum

To calculate a running sum with a fixed window.

runprod

To calculate a running product.

runsum

To calculate a running sum.

shift

To shift the values in an array.

swaphalf

To swap the values in an array, suitable for use with spectral transforms.

Square Brackets

To combine elements and/or arrays into arrays.