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    In depth teaching of mathematical problems based on cognitive analysis: an example of cognitive analysis and in depth mathematics teaching in solving a function problem
    YOU Na, ZHOU Lang, ZHAO Silin
    2024, 39(2): 1-5. DOI: 10.13603/j.cnki.51-1621/z.2024.02.001
    Abstract PDF
    Teaching design of the theorem for interior angle sum of a triangle based on "four understandings"
    LI Hongxia
    2024, 39(2): 6-11. DOI: 10.13603/j.cnki.51-1621/z.2024.02.002
    Abstract PDF
    Stability and bifurcation analysis of lung immune response model
    DAI Mengya, ZHANG Cunhua, LIU Jinlong
    2024, 39(2): 12-16,23. DOI: 10.13603/j.cnki.51-1621/z.2024.02.003
    Abstract PDF
    Life prediction of high-reliability product based on optimizedgrey theory
    SHEN Jie, LI Yunfei
    2024, 39(2): 17-23. DOI: 10.13603/j.cnki.51-1621/z.2024.02.004
    Abstract PDF
    Analytic solutions of a class of second-order iterative functional differential equations
    XIA Menglian
    2024, 39(2): 24-30,43. DOI: 10.13603/j.cnki.51-1621/z.2024.02.005
    Abstract PDF
    The center of little q-Schur algebra uk(3,3)
    YANG Qian, LIU Mingqiang
    2024, 39(2): 31-36. DOI: 10.13603/j.cnki.51-1621/z.2024.02.006
    Abstract PDF
    The Hermite positive definite solution and perturbation analysis for the matrix equation X-A*(R+B*XB)-tA=Q
    XIONG Hao, LUO Xiankang, HUANG Yulian
    2024, 39(2): 37-43. DOI: 10.13603/j.cnki.51-1621/z.2024.02.007
    Abstract PDF
    ELM-based analysis of user bullet screen behavior in Bilibili online teaching videos
    LIN Shilong, LU Ting, LE Chengyi
    2024, 39(2): 44-51,57. DOI: 10.13603/j.cnki.51-1621/z.2024.02.008
    Abstract PDF
    A fall detection method based on skeletal feature points
    HOU Xiangjun, CHEN Yajun, SUN Chaoyue, XIAO Ci
    2024, 39(2): 52-57. DOI: 10.13603/j.cnki.51-1621/z.2024.02.009
    Abstract PDF
    Target region reduction algorithm based on improved DQN model
    ZHANG Pan, GUO Wenpeng
    2024, 39(2): 58-63. DOI: 10.13603/j.cnki.51-1621/z.2024.02.010
    Abstract PDF
    Parameter identification method of lithium battery based on fuzzy forgetting factor recursive least square method
    HU Xin, TAN Gongquan, HUANG Bo, LIAO Zhen, LUO Chunlan
    2024, 39(2): 64-70,111. DOI: 10.13603/j.cnki.51-1621/z.2024.02.011
    Abstract PDF
    Dichotomy-based optimal selection of KPCA kernel parameters
    LIU Chunyan, YAN Guangfeng, LIN Cheng, ZHANG Xuelian
    2024, 39(2): 71-76. DOI: 10.13603/j.cnki.51-1621/z.2024.02.012
    Abstract PDF
    Credit risk of enterprise carbon emission reduction based on entropy weight TOPSIS-KNN-BPNN model under unbalanced data
    LONG Zhi, CHEN Xiangzhou
    2024, 39(2): 77-89. DOI: 10.13603/j.cnki.51-1621/z.2024.02.013
    Abstract PDF
    The spatial-temporal evolution pattern and influencing factors of China’s digital technology innovation
    KANG Yixin, CHEN Yuxin, MIAO Chenglin
    2024, 39(2): 90-100. DOI: 10.13603/j.cnki.51-1621/z.2024.02.014
    Abstract PDF

    Spatial-temporal pattern and driving mechanismfor the coordinated development of population-industry-land urbanization in central Guizhou conurbation

    ZHANG Xinyu, LI Xudong, TIAN Jun
    2024, 39(2): 101-111. DOI: 10.13603/j.cnki.51-1621/z.2024.02.015
    Abstract PDF
    Board governance, product market competition and firm performance
    YANG Jinhai, WANG Yaoyao, WANG Xiao
    2024, 39(2): 112-120. DOI: 10.13603/j.cnki.51-1621/z.2024.02.016
    Abstract PDF