相关性比较
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这个范例演示了如何比较两个数据集的相关性。核心数学概念包括相关系数、交点、比例、余弦、参数曲线和相似变换。通过使用GeoGebra命令如PMCC、Intersect、Segment、Point等,可以构造出直观的图形来展示这些概念。适合高中数学教学和学习。
GeoGebra 命令及参数
PMCC({A, B, C, D, E, F, G, H, I, J}) → aPMCC({K, L, M, N, O, P, Q, R, S, T}) → bPMCC({G_1, H_1, I_1, J_1, K_1, L_1, M_1, N_1, O_1, P_1}) → dPMCC({U, V, W, Z, A_1, B_1, C_1, D_1, E_1, F_1}) → cPMCC({Q_1, R_1, S_1, T_1, U_1, V_1, W_1, Z_1, A_2, B_2}) → ePMCC({C_2, D_2, E_2, F_2, G_2, H_2, I_2, J_2, K_2, L_2}) → mPMCC({M_2, N_2, O_2, P_2, Q_2, R_2, S_2, T_2, U_2, V_2}) → nPMCC({W_2, Z_2, A_3, B_3, C_3, D_3, E_3, F_3, G_3, H_3}) → oPMCC({I_3, J_3, K_3, L_3, M_3, N_3, O_3, P_3, Q_3, R_3}) → pPMCC({S_3, T_3, U_3, V_3, W_3, Z_3, A_4, B_4, C_4, D_4}) → qPMCC({E_4, F_4, G_4, H_4, I_4, J_4, K_4, L_4, M_4, N_4}) → rPMCC({O_4, P_4, Q_4, R_4, S_4, T_4, U_4, V_4, W_4, Z_4}) → sPMCC({A_5, B_5, C_5, D_5, E_5, F_5, G_5, H_5, I_5, J_5}) → tPMCC({K_5, L_5, M_5, N_5, O_5, P_5, Q_5, R_5, S_5, T_5}) → uPMCC({U_5, V_5, W_5, Z_5, A_6, B_6, C_6, D_6, E_6, F_6}) → vPMCC({G_6, H_6, I_6, J_6, K_6, L_6, M_6, N_6, O_6, P_6}) → wPMCC({Q_6, R_6, S_6, T_6, U_6, V_6, W_6, Z_6, A_7, B_7}) → a_1PMCC({C_7, D_7, E_7, F_7, G_7, H_7, I_7, J_7, K_7, L_7}) → b_1PMCC({W_7, Z_7, A_8, B_8, C_8, D_8, E_8, F_8, G_8, H_8}) → c_1PMCC({M_7, N_7, O_7, P_7, Q_7, R_7, S_7, T_7, U_7, V_7}) → d_1Intersect(xAxis, yAxis) → I_8Segment(I_8, J_8) → fSegment(K_8, L_8) → gPoint(yAxis) → M_8Segment(M_8, N_8) → hPoint(yAxis) → O_8Segment(O_8, P_8) → iPoint(yAxis) → Q_8Segment(Q_8, R_8) → jPoint(yAxis) → S_8Segment(S_8, T_8) → kSegment(I_8, S_8) → lSegment(J_8, T_8) → f_1Segment(U_8, V_8) → g_1Segment(W_8, Z_8) → h_1Segment(A_9, B_9) → i_1