How do I alter the curve of my plot
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% Set variables: g is gravity, v is velocity, i_h is initial height, h_f is final height
g = 9.81;
v = 85;
i_h = 0:0.25:95;
h_f = 0
% Equations: t being time and d being distance
t = sqrt(2*i_h\g);
d = (85*sqrt(2*i_h/g));
figure;
plot(d,i_h)
title 'i_h'
ylabel ('Height (m)')
xlabel ('Distance (m)')
grid on
How do I get my graph to start at coordinates 0, 95 and end at coordinates, 374.077, 0?
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Risposte (1)
Sam Chak
il 8 Ott 2023
g = 9.81;
v = 85;
i_h = 0:0.25:95;
h_f = 0;
% Equations: t being time and d being distance
t = sqrt(2*i_h\g);
d = (85*sqrt(2*i_h/g));
figure;
plot(d, i_h(end)-i_h, 'linewidth', 2)
title 'i_h'
ylabel ('Height (m)')
xlabel ('Distance (m)')
grid on
2 Commenti
Sam Chak
il 8 Ott 2023
Alright @Thomas, i_h(end) is 95 m, and i_h is a vector array ranging from 0 to 95. Previously, the figure was plotted with i_h as the y-axis variable and d as the x-axis variable, using the syntax "plot(d, i_h)". This resulted in the graph starting from (0, 0).
In the image you provided, it seems you want to plot the graph starting from the highest point, which naturally means you want to plot from 95 m down to 0 (ground level). One way to achieve this is by defining a new y-axis variable, like ynew = 95 - i_h, and then plotting it using "plot(d, ynew)".
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