# Please amend my code :(

11 views (last 30 days)
지원 안 on 23 May 2021
Answered: VBBV on 23 May 2021
I want V when x=5000 but something wrong...
clear all
close all
grav=9.81;
theta=pi/4;
v=20;
x=0; vx=cos(theta).*v;
y=0; vy=sin(theta).*v;
dt=0.05;
for n=1:100
x=x+vx*dt;
vx=vx+vx.*dt;
y=y+vy*dt
vy=vy-grav*dt;
if(y<0); break; end
n=1:10000
if(x==5000);break; end
else(x<5000);
v=v+1;
end
v

Girijashankar Sahoo on 23 May 2021
%% if statement end after else, #look the code again
grav=9.81;
theta=pi/4;
v=20;
x=0; vx=cos(theta).*v;
y=0; vy=sin(theta).*v;
dt=0.05;
for n=1:100
x=x+vx*dt;
vx=vx+vx.*dt;
y=y+vy*dt
vy=vy-grav*dt;
if(y<0); break; end
n=1:10000
if(x==5000);break;
else(x<5000);
v=v+1;
end
end
v

VBBV on 23 May 2021
%if
clear all
close all
grav=9.81;
theta=pi/4;
v=20;
x=0; vx=cos(theta).*v;
y=0; vy=sin(theta).*v;
dt=0.05;
for v=1:10000
x=x+vx*dt;
vx=vx+vx.*dt;
y=y+vy*dt
vy=vy-grav*dt;
if(y<0); break; end
%n=1:10000;
if(x==5000);break;
end
v=v+1;
end
v

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