mirror of
https://github.com/ROB-535-F21-Team-3/Control-Project.git
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Re-Organize Files Again
- Deliverables folder holds final files for submission - Experimentation holds scripts and things related to our development of a final solution - Simulation holds the provided files - Added template for part 2 submission with comments
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221
Experimentation/part1_generate_trajectory.m
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221
Experimentation/part1_generate_trajectory.m
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%% ROB 535 Team 3 Control Project
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close all;
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clear;
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clc;
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%% Model Parameters
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% Vehicle Parameters
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delta_lim = [-0.5, 0.5];
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F_x_lim = [-5000, 5000];
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m = 1400;
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N_w = 2;
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f = 0.01;
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I_z = 2667;
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a = 1.35;
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b = 1.45;
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B_y = 0.27;
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C_y = 1.2;
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D_y = 0.7;
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E_y = -1.6;
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S_hy = 0;
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S_vy = 0;
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g = 9.806;
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% Note: The Pacejka parameters are for the slip angle in degrees
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% Initial Conditions
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x_0 = 287; % meters
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u_0 = 5; % meters/second
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y_0 = -176; % meters
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v_0 = 0; % meters/second
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psi_0 = 2; % radians
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r_0 = 0; % radians/second
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state_0 = [x_0, u_0, y_0, v_0, psi_0, r_0];
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load('TestTrack.mat')
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%% Trajectory Synthesis
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% Segment 1
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segment_num = 1;
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num_pts(segment_num) = 6e2;
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delta_vals(segment_num) = -0.004;
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F_x_vals(segment_num) = 3900;
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% Segment 2
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segment_num = 2;
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num_pts(segment_num) = 4e2;
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delta_vals(segment_num) = -0.3;
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F_x_vals(segment_num) = -2000;
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% Segment 3
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segment_num = 3;
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num_pts(segment_num) = 1e2;
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delta_vals(segment_num) = -0.05;
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F_x_vals(segment_num) = 0;
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% Segment 4
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segment_num = 4;
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num_pts(segment_num) = 7.5e2;
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delta_vals(segment_num) = 0.0;
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F_x_vals(segment_num) = 1000;
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% Segment 5
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segment_num = 5;
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num_pts(segment_num) = 3e2;
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delta_vals(segment_num) = 0.3;
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F_x_vals(segment_num) = -500;
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% Segment 6
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segment_num = 6;
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num_pts(segment_num) = 3.5e2;
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delta_vals(segment_num) = -0.03;
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F_x_vals(segment_num) = 1000;
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% Segment 7
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segment_num = 7;
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num_pts(segment_num) = 1e2;
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delta_vals(segment_num) = -0.005;
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F_x_vals(segment_num) = -1000;
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% Segment 8
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segment_num = 8;
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num_pts(segment_num) = 2e2;
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delta_vals(segment_num) = 0.0275;
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F_x_vals(segment_num) = -750;
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% Segment 9
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segment_num = 9;
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num_pts(segment_num) = 2.4e2;
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delta_vals(segment_num) = 0.5;
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F_x_vals(segment_num) = -500;
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% Segment 10
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segment_num = 10;
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num_pts(segment_num) = 5e2;
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delta_vals(segment_num) = -0.02;
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F_x_vals(segment_num) = 0;
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% Segment 11
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segment_num = 11;
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num_pts(segment_num) = 2.5e2;
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delta_vals(segment_num) = -0.05;
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F_x_vals(segment_num) = 500;
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% Segment 12
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segment_num = 12;
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num_pts(segment_num) = 2e2;
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delta_vals(segment_num) = -0.01;
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F_x_vals(segment_num) = 5000;
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% Segment 13
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segment_num = 13;
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num_pts(segment_num) = 2e2;
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delta_vals(segment_num) = -0.1;
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F_x_vals(segment_num) = -2000;
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% Segment 14
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segment_num = 14;
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num_pts(segment_num) = 3e2;
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delta_vals(segment_num) = 0.175;
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F_x_vals(segment_num) = -2000;
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% Segment 15
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segment_num = 15;
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num_pts(segment_num) = 4.75e2;
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delta_vals(segment_num) = 0.0025;
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F_x_vals(segment_num) = 1000;
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% Segment 16
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segment_num = 16;
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num_pts(segment_num) = 4.5e2;
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delta_vals(segment_num) = 0.05;
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F_x_vals(segment_num) = 0;
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% Segment 17
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segment_num = 17;
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num_pts(segment_num) = 5e2;
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delta_vals(segment_num) = 0.0;
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F_x_vals(segment_num) = 500;
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% Segment 18
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segment_num = 18;
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num_pts(segment_num) = 8e2;
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delta_vals(segment_num) = -0.05;
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F_x_vals(segment_num) = -500;
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% Segment 19
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segment_num = 19;
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num_pts(segment_num) = 5.8e2;
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delta_vals(segment_num) = 0.065;
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F_x_vals(segment_num) = 0;
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% Segment 20
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segment_num = 20;
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num_pts(segment_num) = 7.5e2;
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delta_vals(segment_num) = 0;
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F_x_vals(segment_num) = 2000;
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% Segment 21
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segment_num = 21;
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num_pts(segment_num) = 2.25e2;
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delta_vals(segment_num) = 0.5;
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F_x_vals(segment_num) = -4400;
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% Segment 22
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segment_num = 22;
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num_pts(segment_num) = 9e2;
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delta_vals(segment_num) = 0.0;
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F_x_vals(segment_num) = 5000;
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%% Load Inputs from File
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load('ROB535_ControlProject_part1_Team3.mat');
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%% Simulate Trajectory
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for i = 1:length(num_pts)
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[start_idx, end_idx] = get_indices(i, num_pts);
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delta = delta_vals(i);
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F_x = F_x_vals(i);
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U(start_idx:end_idx,:) = [delta * ones(num_pts(i),1), F_x * ones(num_pts(i),1)];
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end
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[Y, T] = forwardIntegrateControlInput(U, state_0);
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info = getTrajectoryInfo(Y,U)
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[Y_submission, T_submission] = forwardIntegrateControlInput(ROB535_ControlProject_part1_input, state_0);
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info = getTrajectoryInfo(Y_submission,ROB535_ControlProject_part1_input)
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%% Figures
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% Plot segmented trajectory for debugging purposes
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figure(1)
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hold on;
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grid on;
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for i = 1:length(num_pts)
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[start_idx, end_idx] = get_indices(i, num_pts);
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plot(Y(start_idx:end_idx,1), Y(start_idx:end_idx,3), '-');
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end
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plot(TestTrack.bl(1,:), TestTrack.bl(2,:), '--r');
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plot(TestTrack.br(1,:), TestTrack.br(2,:), '--r');
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plot(TestTrack.cline(1,:), TestTrack.cline(2,:), '-.g');
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% Plot final trajectory from submission inputs
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figure(2)
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hold on;
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grid on;
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plot(Y_submission(:,1), Y_submission(:,3), '-b');
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plot(TestTrack.bl(1,:), TestTrack.bl(2,:), '-r');
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plot(TestTrack.br(1,:), TestTrack.br(2,:), '-r');
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plot(TestTrack.cline(1,:), TestTrack.cline(2,:), '--g');
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%% Functions
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function [start_idx, end_idx] = get_indices(segment_num, num_pts)
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if segment_num == 1
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start_idx = 1;
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end_idx = num_pts(segment_num);
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else
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start_idx = sum(num_pts(1:segment_num-1)) + 1;
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end_idx = sum(num_pts(1:segment_num));
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end
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end
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