Community Profile

photo

Chukwunememma Uponi


Last seen: 1年以上 前 |  2019 年からアクティブ

Followers: 0   Following: 0

統計

  • Thankful Level 3

バッジを表示

Feeds

表示方法

質問


Please help: How to do a time step?
Here is my code, i need the final velocity from u_1 to be the initial velocity for u_2. How do i do this please? close all c...

4年以上 前 | 1 件の回答 | 0

1

回答

質問


i need the second plot to start from where the last point on the first plot left off. The graph is meant to be continuous across all three stages not broken up. Help please?
close all clc; %define variables mi_1=2290000; mf_1=130000; tb_1=165; Isp_1=263; mi_2=496200; mf_2=40100; tb_2=360; ...

4年以上 前 | 1 件の回答 | 0

1

回答

質問


I am trying to combine plots to one graph for u, p and a. So i need three separate graphs in total but im having trouble combining the plots needed for each graph.
i am trying to make three separate graphs for u, p and a against t but im having trouble combining the graphs to make one figure...

4年以上 前 | 1 件の回答 | 0

1

回答

質問


how do i dfferentiate u with respect to t?
mi=2290000; mf=130000; tb=165; t=linspace(0,165); mr=mi-((mi-mf)*(t/tb)); hold all g = 9.81; Isp=263; u=g.*(Isp.*log(mi...

4年以上 前 | 1 件の回答 | 0

1

回答

質問


Array indices must be positive integers or logical values. Error in (line 8) mr(t)=mi-((mi-mf)*(t./tb));
mi=2290000 mf=130000 tb=165 t= linspace(6.5,165,1); mr(t)=mi-((mi-mf)*(t./tb)); mr=[] for t=6.5:165; mr(t)=mi-((mi-m...

4年以上 前 | 3 件の回答 | 0

3

回答

質問


How do integrate this function over t=0 to t=165?
mi=2290000; mf=130000; tb=165; t=linspace(6.5,165); mr=mi-((mi-mf)*(t/tb)) plot(t,mr, 'blue') hold all g = 9....

4年以上 前 | 1 件の回答 | 0

1

回答