clear all; clc; % 常量定义 epsilon0 = 8.854187817e-12; % 真空介电常数 (f/m) mu0 = 4*pi*1e-7; % 真空磁导率 (h/m) q1 = single(1e-7); % 每个电荷的电量 (库伦) r1 = single(0.1); r2 = single(0.02); d = single(0.16); c = single(299792458); % 光速 (m/s) % 时间参数 t = linspace(0, 1, 2000); % 时间向量 (秒),减少时间步长 % 创建空间网格,降低分辨率 [x, y, z_grid] = meshgrid(linspace(-10, 10, 44), linspace(-10, 10, 44), linspace(-10, 10, 44)); % 初始化电场数组 e_total_x = zeros(size(x), 'single'); e_total_y = zeros(size(y), 'single
'); e_total_z = zeros(size(z_grid), 'single'); % 计算各电荷贡献电场 e1_x = (1/(4*pi*epsilon0)) * (q1 * (x - d/2) ./ ((x - d/2).^2 + y.^2 + z_grid.^2).^1.5); e1_y = (1/(4*pi*epsilon0)) * (q1 * y ./ ((x - d/2).^2 + y.^2 + z_grid.^2).^1.5); e1_z = (1/(4*pi*epsilon0)) * (q1 * z_grid ./ ((x - d/2).^2 + y.^2 + z_grid.^2).^1.5); e2_x = (1/(4*pi*epsilon0)) * (q1 * (x + d/2) ./ ((x + d/2).^2 + y.^2 + z_grid.^2).^1.5); e2_y = (1/(4*pi*epsilon0)) * (q1 * y ./ ((x + d/2).^2 + y.^2 + z_grid.^2).^1.5); e2_z = (1/(4*pi*epsilon0)) * (q1 * z_grid ./ ((x + d/2).^2 + y.^2 + z_grid.^2).^1.5); % 计算电场传播时间 t_emit = d / c; % 计算电场传播距离 d_propagate = c * (t - t_emit); % 计算各电场在传播距离上的衰减 e1_propagate_x = e1_x .* exp(-1j * 2*pi * d_propagate / (c / sqrt(epsilon0 * mu0))); e1_propagate_y = e1_y .* exp(-1j * 2*pi * d_propagate / (c / sqrt(epsilon0 * mu0))); e1_propagate_z = e1_z .* exp(-1j * 2*pi * d_propagate / (c / sqrt(epsilon0 * mu0))); e2_propagate_x = e2_x .* exp(-1j * 2*pi * d_propagate / (c / sqrt(epsilon0 * mu0))); e2_propagate_y = e2_y .* exp(-1j * 2*pi * d_propagate / (c / sqrt(epsilon0 * mu0))); e2_propagate_z = e2_z .* exp(-1j * 2*pi * d_propagate / (c / sqrt(epsilon0 * mu0))); % 计算总电场 e_total_x = e1_propagate_x + e2_propagate_x; e_total_y = e1_propagate_y + e2_propagate_y; e_total_z = e1_propagate_z + e2_propagate_z; % 绘制电场分布 figure; quiver3(x(:), y(:), z_grid(:), real(e_total_x(:)), real(e_total_y(:)), real(e_total_z(:))); xlabel('X'); ylabel('Y'); zlabel('Z'); title('Electric Field Distribution'); xlim([-10, 10]); ylim([-10, 10]); zlim([-10, 10]); grid on; axis equal; [2024-11-11 19:42:27 | AI写代码神器 | 1099点数解答]
- [GPT] clear all; clc; % 常量定义 epsilon0 = 8.854187817e-12; % 真空介电常数 (f/m) mu0 = 4*pi*1e-7; % 真空磁导率 (h/m) q1 = single(1e-7); % 每个电荷的电量 (库伦) r1 = single(0.1); r2 = single(0.02); d = single(0.16); c = single(299792458); % 光速 (m/s) % 时间参数 t = linspace(0, 1, 2000); % 时间向量 (秒),减少时间步长 % 创建空间网格,降低分辨率 [x, y, z_grid] = meshgrid(linspace(-10, 10, 44), linspace(-10, 10, 44), linspace(-10, 10, 44)); % 初始化电场数组 e_total_x = zeros(size(x), 'single'); e_total_y = zeros(size(y), 'single(1099点数解答 | 2024-11-11 19:42:27)218
- [字节豆包] stm32f103c8t6单片机,这个程序是控制c13引脚上的led灯闪烁。在原代码的基础上,在引脚b1上增加一个按键,按下按键后led灯停止闪烁。 area mydata, data area mycode, code entry export __main __main start ldr r0, =0x40021018 ldr r1, [r0] orr r1, r1, #0x0010 str r1, [r0] loop ldr r0, =0x40011004 ldr r1, [r0] bic r1, r1, #0xf00000 orr r1, r1, #0xa00000 str r1, [r0] delay_loop mov r2, #0xf00000 delay subs r2, r2, #1 (577点数解答 | 2024-12-26 10:48:56)286
- [字节豆包] stm32f103c8t6单片机,这个程序是控制c13引脚上的led灯闪烁。在原代码的基础上,在引脚b1上增加一个按键,按下按键后led灯停止闪烁。 area mydata, data area mycode, code entry export __main __main start ldr r0, =0x40021018 ldr r1, [r0] orr r1, r1, #0x0010 str r1, [r0] loop ldr r0, =0x40011004 ldr r1, [r0] bic r1, r1, #0xf00000 orr r1, r1, #0xa00000 str r1, [r0] delay_loop mov r2, #0xf00000 delay subs r2, r2, #1 (472点数解答 | 2024-12-26 10:48:58)206
- [字节豆包] stm32f103c8t6单片机,这个程序是控制c13引脚上的led灯闪烁。在原代码的基础上,在引脚b1上增加一个按键,按下按键后led灯停止闪烁。 area mydata, data area mycode, code entry export __main __main start ldr r0, =0x40021018 ldr r1, [r0] orr r1, r1, #0x0010 str r1, [r0] loop ldr r0, =0x40011004 ldr r1, [r0] bic r1, r1, #0xf00000 orr r1, r1, #0xa00000 str r1, [r0] delay_loop mov r2, #0xf00000 delay subs r2, r2, #1 (503点数解答 | 2024-12-26 10:48:58)214
- [字节豆包] stm32f103c8t6单片机,这个程序是控制c13引脚上的led灯闪烁。在原代码的基础上,在引脚b1上增加一个按键,按下按键后led灯停止闪烁。 area mydata, data area mycode, code entry export __main __main start ldr r0, =0x40021018 ldr r1, [r0] orr r1, r1, #0x0010 str r1, [r0] loop ldr r0, =0x40011004 ldr r1, [r0] bic r1, r1, #0xf00000 orr r1, r1, #0xa00000 str r1, [r0] delay_loop mov r2, #0xf00000 delay subs r2, r2, #1 (498点数解答 | 2024-12-26 10:49:02)195
- [字节豆包] ```python import numpy as np import matplotlib.pyplot as plt from mpl_toolkits.mplot3d import Axes3D fig = plt.figure(figsize=(12, 10)) ax = fig.add_subplot(111, projection='3d') # 玫瑰花瓣参数方程 u = np.linspace(0, 2*np.pi, 100) v = np.linspace(0, np.pi, 50) U, V = np.meshgrid(u, v) # 冰晶玫瑰核心结构 R = 1 + 0.3*np.cos(5*U) # 5瓣玫瑰 X = R * np.sin(V) * np.cos(U) Y = R * np.sin(V) * np.sin(U) Z = R * np.cos(V) # 添加冰晶细节 ice_factor = 0.2 * np.sin(8*U) * np.sin(4*V) X += ice_factor * np.sin(V) * np.cos(U) Y (897点数解答 | 2025-12-12 23:16:19)45
- [GPT] % 主函数 function main() clear global ar pin infile = 'bb-amp_pha.dat'; [tmp1, ha, hp, ea, ep] = textread(infile, '%s%f%f%f%f'); n = length(ha); xs = ones(1, n); xt = ones(1, n); xu = ones(1, n); qsave = zeros(n, 3); % 参数范围 s_range = [1e-5, 5e-5]; t_range = [3e-6,5e-6]; u_range = [1e-9, 1.5e-8]; % 常青藤优化算法参数 max_iters = 200; % 最大迭代次数 population_size = 800; % 常青藤种群大小 ivy_growth_rate = 0.3; % 常青藤生长率(新增个体比例) ivy_decay_rat(930点数解答 | 2024-12-05 22:53:20)210
- [DeepSeek] for i = 1:size(orders, 1) % 宽度需求:sum(x(i,j,1)) >= 2n(i) row = zeros(1, num_vars); for j = 1:size(raw_materials, 1) idx = (i-1)*6 + (j-1)*2 + 1; row(idx) = 1; end A = [A; -row]; b = [b; -2*n(i)]; % 高度需求:sum(x(i,j,2)) >= 2n(i) row = zeros(1, num_vars); for j = 1:size(raw_materials, 1) idx = (i-1)*6 + (j-1)*2 + 2; row(idx) = 1; end A = [A; -row]; b = [b; -2*n(i)]; end % 原材料长度约束 for j = 1:size(raw_materials, 1) (218点数解答 | 2025-05-09 23:10:04)178
- [字节豆包] clc; clear; % 邻接矩阵表示图的边权重 (距离) distance_matrix = [ 0, 2, 5, 4, inf, 4; 2, 0, 2, inf, inf, 1; 5, 2, 0, 3, 3, inf; 4, inf, 3, 0, 1, inf; inf, inf, 3, 1, 0, 1; 4, 1, inf, inf, 1, 0 ]; num_cities = size(distance_matrix, 1); % 城市数量 % 遗传算法参数 pop_size = 100; % 种群大小 max_gen = 200; % 最大迭代代数 crossover_rate = 0.8; % 交叉概率 mutation_rate = 0.2; % 变异概率 % 初始化种群 population = zeros(pop_size, num_cities); for i = 1:pop_size population(i, :) = randperm(num_c(128点数解答 | 2024-11-25 02:48:03)174
- [DeepSeek] import decimal import sys def compute_pi(n): decimal.getcontext().prec = n + 10 # 多保留几位避免舍入误差 pi = decimal.Decimal(0) k = 0 term = decimal.Decimal(1) while abs(term) > decimal.Decimal(10) ** (-n - 5): term = decimal.Decimal(1) / (2 * k + 1) if k % 2 == 0: pi += term else: pi -= term k += 1 pi *= 4 return pi if __name__ == "__main__": n = int(sys.stdin.readline().strip()) pi_value = compute_pi(n) # (408点数解答 | 2026-01-02 19:01:12)24
- [DeepSeek] - ItemId: 12720 #道具id A级赛车 雷诺 ItemNum: 1 #数量 ObtainTime: 1 #时间 AvailPeriod: -1 #0显示数量 -1显示永久 - ItemId: 127758 #道具id 宠物 冰凤 ItemNum: 1 #数量 ObtainTime: 1 #时间 AvailPeriod: -1 #0显示数量 -1显示永久 - ItemId: 21980 #道具id 效率宝珠LV4 ItemNum: 100 #数量 ObtainTime: 1 #时间 AvailPeriod: 0 #0显示数量 -1显示永久 - ItemId: 21986 #道具id 重生宝珠LV4 ItemNum: 100 #数量 ObtainTime: 1 #时间 AvailPeriod: 0 #0显示数量 -1显示永久 这种文本文件如何用易语言读入并显示到超级列表框内 (571点数解答 | 2025-08-23 20:54:40)193
- [DeepSeek] - ItemId: 12720 #道具id A级赛车 雷诺 ItemNum: 1 #数量 ObtainTime: 1 #时间 AvailPeriod: -1 #0显示数量 -1显示永久 - ItemId: 127758 #道具id 宠物 冰凤 ItemNum: 1 #数量 ObtainTime: 1 #时间 AvailPeriod: -1 #0显示数量 -1显示永久 - ItemId: 21980 #道具id 效率宝珠LV4 ItemNum: 100 #数量 ObtainTime: 1 #时间 AvailPeriod: 0 #0显示数量 -1显示永久 - ItemId: 21986 #道具id 重生宝珠LV4 ItemNum: 100 #数量 ObtainTime: 1 #时间 AvailPeriod: 0 #0显示数量 -1显示永久 这种文本文件如何用易语言读入并显示到超级列表框内,并且可以增加新的一样的文本(1317点数解答 | 2025-08-23 20:58:40)198