TY JOUR TI USING THE MATHCAD SOFTWARE PACKAGE IN THE PROBLEMS OF SENSITIVITY ANALYSIS OF SECONDARY PARAMETERS OF ELECTRONIC CIRCUITS KW design KW modeling KW electronics KW circuit engineering KW matrix methods KW primary parameters KW secondary parameters JO Scientific Papers Collection of the Angarsk State Technical University AU Kizin, D.V. AU Mazur, V.G. AU Mamatnazarov, J.G. AU Pudalov, A.D. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»