MATLAB: Is there any way to change an array output to display a word or phrase

arrayMATLABmatrix

I am simulating a random 4×1 array of 1s and -1s;

jStr = repmat( { 'Buy' }, numel( j ), 1 );
jStr( j == -1 ) = { 'Sell' };

I'm sure there are neater ways, but that should work.

str = 'I am new to matlab, and am struggling.'
theWords = allwords(str)
strArray=char(theWords{:})
theAcronym = strArray(:,1)'

so?

VNEW = permute(VOLD,[1 2 4 5 3]);