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Question: Nontrivial solution for large matrix

Question:Nontrivial solution for large matrix

maple2015 145 Maple
matrix linearalgebra
February 24 2019
1

Hi

I got an square matrix (70×70) from MATLAB (please download attached text file 1.txt). Following codes are used in MAPLE, but an unknown error is occurred. It seems that matrix is divided in two submatrices. Please hint me or run the codes to obtain fiirst three minimum real positive roots of the determinant. 

Thank you for taking your time

Maple codes

Digits:=150:

M:=parse(FileTools[Text][ReadFile]("1.txt")):

LinearAlgebra:-Determinant(M):

fsolve(%,P=0..0.5)*100;
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