plotting logarithmic and linear scale

Question

Brendan Clark 2021-4-11

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/799072-plotting-logarithmic-and-linear-scale

评论： Brendan Clark 2021-4-11

采纳的回答： Andreas Apostolatos

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I'm working on an assignment that wants me to create a .m file that graphs both the linear and logarithmic scale.

The assignment is:

I have the script doing exactly what I need it to for the linear scale plot, however, I'm not sure how to also get matlab to transition it to log scale for the second set of plots. any help would be useful.

The code I have so far is:

t=linspace(0,20,1000);
speed=188.5*(1-exp(-0.4*t));
torque=10*exp(-0.4*t);
power=torque.*speed;
figure(1)
subplot(3,1,1)
plot(t,torque,'r-','LineWidth',2)
title('\bfPlot of Motor Output Torque\bf\it\tau\rm\bf_{IND},Speed\bf\it\omega_{m},and Power\bf\itP vs Time')
ylabel('\bf\itTorque, \tau\rm\bf_{IND}(N-m)')
grid on
subplot(3,1,2)
plot(t,speed,'r-','LineWidth',2)
ylabel('\bf\itSpeed, \omega_{m}\rm\bf(rad/s)')
grid on
subplot(3,1,3)
plot(t,power,'r-','LineWidth',2)
xlabel('\bfTime,t[s]')
ylabel('\bf\itPower, P\rm\bf(watts)')
grid on