Helix construction in Matlab.

helix.m

clear all; clc

a=1;
b=0.1;
w=1;

t=linspace(0,5*pi,500);

x=a*cos(w*t);
y=a*sin(w*t);
z=b*t;

plot3(x,y,z)
xlabel('x-axis')
ylabel('y-axis')
zlabel('z-axis')
title('x = 2 cos(t), y = 2 sin(t), z = 0.1t.')

R = 1;

% Point 1
lambda1 = sqrt((2*pi*R)^2 +b^2) * 0.4
x1=a*cos(w*lambda1);
y1=a*sin(w*lambda1);
z1=b*lambda1;
hold on
plot3(x1,y1,z1,'.', 'MarkerSize', 20)

% Point 2
lambda2 = sqrt((2*pi*R)^2 +b^2) * 0.6
x2=a*cos(w*lambda2);
y2=a*sin(w*lambda2);
z2=b*lambda2;
hold on
plot3(x2,y2,z2,'.', 'MarkerSize', 20)

% Point 3
lambda3 = sqrt((2*pi*R)^2 +b^2) * 1.2
x3=a*cos(w*lambda3);
y3=a*sin(w*lambda3);
z3=b*lambda3;
hold on
plot3(x3,y3,z3,'.', 'MarkerSize', 20)

can we know what are the parameters