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<div class="fragment"><pre class="comment"> es_significant_differences(output1,output2)
 
 Significance test for model outputs obtained from multiple elasticity sampling
 
 Significant differences are computed from the outputs of a previous multiple 
  elasticity sampling for two model variants (function es_sample_multiple.m).
 Both model variants must have the same number of metabolites and reactions.

 Arguments:
  output1: matrix or tensor from 1st model variant (output 