Infinities in Matrices

I run a I-O table. I try to estimate the Leontied inverse and finally got to know that my CILQ (FLQ) was wrong. I checked for infinities and this is the source of the problem. I mark the problematic line with Bold. Lines in Italics are the results of the check (to save time).

EmpRatio=EmpRg./EmpNt;

Matrix EmpRg is finite
 Matrix EmpNt is finite 
Matrix EmpRatio is finite

C1=reshape(EmpRatio,m,m);

Matrix C1 is finite

CILQ0=(EmpRatio./C1)* 0.34181;

CILQ0 has inifinities or NaN's

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