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Chukwunememma Uponi


Last seen: 1 year ago |  Active since 2019

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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 years ago | 1 answer | 0

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Question


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 years ago | 1 answer | 0

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Question


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 years ago | 1 answer | 0

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Question


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 years ago | 1 answer | 0

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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 years ago | 3 answers | 0

3

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Question


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 years ago | 1 answer | 0

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