Nucleotide Density
y = btd_ntdensity(x)
String of single-letter codes specifying a nucleotide sequence
column vector of densities of nucleotides (decimal numbers)
computes, and returns the density of nucleotides along the given sequence x, and plots them as a bar graph.
--> y = btd_ntdensity("ACTGATCGAATATGCGAGCGA") y = 0.3333333 0.1904762 0.2857143 0.1904762