plotting y-axis issue and wrong plot

2022 10 19
2 个回答
回答已采纳
更新时间：2022 10 21
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Ran in:
hi i'm writing a code for newton's 2nd law were very the mass
the first plot is Mass VS Acc
2ND Force VS Acc
3RD Force VS Mass
but i'm thinking i'm doing something wrong especially in the last plot because it look like the first one+ my axies are a bit wrong too so can anyone explain
clear
clc
subplot(3,1,1)
hold on
for m=0:100:1000
a=linspace(20,220,1000);
f=m.*a;
plot(f)
title('mass V/s Acceleration');
xlabel('acceleration');
ylabel('mass')
end
legend m=0 m=100 m=200 m=300 m=400 m=500 m=600 m=700 m=800 m=900 m=1000
subplot(3,1,2)
hold on
for m=0:100:1000
a=linspace(20,220,1000);
f=m.*a;
plot(a,f)
title('Force V/s acceleration');
xlabel('acceleration');
ylabel('Force')
end
legend m=0 m=100 m=200 m=300 m=400 m=500 m=600 m=700 m=800 m=900 m=1000
subplot(3,1,3)
hold on
for m=linspace(0,1000,11)
a=linspace(20,220,1000);
M=linspace(0,1000,1000);
f=m.*a;
plot(M,f)
title('Force V/s Mass');
xlabel('mass');
ylabel('Force')
end
legend m=0 m=100 m=200 m=300 m=400 m=500 m=600 m=700 m=800 m=900 m=1000

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 采纳的回答

VBBV
VBBV 2022-10-21

0 个投票

subplot(3,1,3)
hold on
for m=linspace(0,1000,11)
  a=linspace(20,220,1000);
  M=linspace(0,1000,1000);
  f=M.*a;. % use M 
  plot(M,f)
  title('Force V/s Mass');
xlabel('mass'); 
ylabel('Force')
end

If you use M instead of m you can notice the difference.

更多回答（1 个）

azarang asadi
azarang asadi 2022-10-19

0 个投票

your m is 0:100:1000 which is a 1*11 but your a is 1*1000. It should be same size.
so m = 1:1000

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