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In order to enable the calculation of a solution to a non-self-adjoint problem represented by simultaneous differential equations, an analysis device (10) is provided with: a setting unit (11) which sets an original differential operator for an object to be analyzed and a boundary condition for displacement
an adjoint boundary condition calculation unit (12) which calculates an adjoint boundary condition from the boundary condition
and a non-self-adjoint calculation unit (13) which calculates a primal differential operator and a dual differential operator from the original differential operator, and finds a primal eigenfunction and a dual eigenfunction using primal simultaneous differential equations, dual simultaneous differential equations, the boundary condition, and the adjoint boundary condition to thereby calculate a solution to simultaneous differential equations.
