Update README.md

README.md

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 # HCMB
-This is an an algorithm, Hi-C Matrix Balancing (HCMB), based on iterative solution of equations, combining with linear search and projection strategy to normalize the hi-C original interaction data.
+This is an an algorithm, Hi-C Matrix Balancing (HCMB), based on iterative solution of equations, combining with linear search and projection strategy to normalize the Hi-C original interaction data.
 
 Several useful functions:
 
 HCMB
- main code of HCMB algorithm
+ 1. main code of HCMB algorithm
 
 get_norm_HCMB
- use HCMB to normalize Hi-C contact maps data
+ 1. use HCMB to normalize Hi-C contact maps data
  input: raw matrix
  output: normlaize matrix, minvalue, maxvalue, running time
 
 
 NormalizeKnightRuizV2
- python version of Knight Ruiz algorithm for matrix balancing (Knight et al. 2013)
+ 1. python version of Knight Ruiz algorithm for matrix balancing (Knight et al. 2013)
  This python code is from Rajendra,K. et al. (2017)
-
 and a few functions for plotting and so on.