• 2022-06-15
    设周期函数[tex=1.857x1.286]G6WxJ307HB2e1l7Qz3uNbQ==[/tex]的周期为[tex=1.143x1.286]MG2u3jYKRRGfnjGR+VhW1w==[/tex]。证明:若[tex=5.857x1.357]T7Fkwr1n2s3CNTM1wVje02UcZJxd3DKtioOrj1XCM2o=[/tex],则[tex=1.857x1.286]G6WxJ307HB2e1l7Qz3uNbQ==[/tex]的傅里叶系数[tex=4.143x1.286]bDRHWlvrbIf53mg/3qhR2A==[/tex],[tex=4.071x1.286]gOIaj3RbLQgUhQw+eXkzuQ==[/tex][tex=6.429x1.286]k6tj309EtvdNRauxZdu1AFhM5LKJZ1B7+KgBca+bObs=[/tex]
  • 举一反三