In Situ Strain = 1.062 
Model data for rms calculation: [ 0.76000523  0.1469672  -0.38590039 -0.92908031 -1.43489057] 
RMS error =  0.527998735054661 

=====================================================================
In Situ Strain = 1.0610000000000002 
Model data for rms calculation: [ 0.74258823  0.12870012 -0.41337355 -0.96785764 -1.47389631] 
RMS error =  0.5293395955983884 

=====================================================================
In Situ Strain = 1.0636180339999999 
Model data for rms calculation: [ 0.78901284  0.17613527 -0.34328982 -0.86655112 -1.37181627] 
RMS error =  0.5288047186734361 

=====================================================================
In Situ Strain = 1.062 
Model data for rms calculation: [ 0.76000523  0.1469672  -0.38590039 -0.92908031 -1.43489057] 
RMS error =  0.527998735054661 

=====================================================================

The optimized in situ strain is 1.062