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monroe17
 3 years ago
can someone help me write a program for MATLAB for cos(theta)
SO FAR I HAVE:
clc
clear
theta=0:pi:4*pi;
plot(theta,cos(theta))
xlabel('theta')
ylabel('cos(theta)')
grid off
for some reason it's display the graph not 'curve' and it's not display the x values a 0,pi,2pi,3pi,4pi...
someone help please :/
monroe17
 3 years ago
can someone help me write a program for MATLAB for cos(theta) SO FAR I HAVE: clc clear theta=0:pi:4*pi; plot(theta,cos(theta)) xlabel('theta') ylabel('cos(theta)') grid off for some reason it's display the graph not 'curve' and it's not display the x values a 0,pi,2pi,3pi,4pi... someone help please :/

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Libniz
 3 years ago
Best ResponseYou've already chosen the best response.1for some reason it's display the graph not 'curve' and it's not display the x values a 0,pi,2pi,3pi,4pi... ^ what do you mean?

monroe17
 3 years ago
Best ResponseYou've already chosen the best response.0give me a sec and I'll upload the problem exactly.. it has a picture..

monroe17
 3 years ago
Best ResponseYou've already chosen the best response.0Write a MATLAB program that generates the following plot:(Note: you also need to label the x and y axis)

monroe17
 3 years ago
Best ResponseYou've already chosen the best response.0so far.. i have : clc clear theta=0:pi:4*pi; plot(theta,cos(theta)) xlabel('theta') ylabel('cos(theta)') grid off but it still doesn't look like the plot it gives and i don't know what else to do

Libniz
 3 years ago
Best ResponseYou've already chosen the best response.1I will try it on my machine

Libniz
 3 years ago
Best ResponseYou've already chosen the best response.1I see your problems , you needs more values for theta than just 4 values

Libniz
 3 years ago
Best ResponseYou've already chosen the best response.1clc clear x = 0:pi/1000:4*pi plot(x,cos(x)) xlabel('theta') ylabel('cos(theta)') grid off

monroe17
 3 years ago
Best ResponseYou've already chosen the best response.0it's perfect other then the x values don't appear the same as in the picture i uploaded.. you see that?

Libniz
 3 years ago
Best ResponseYou've already chosen the best response.1yeah, that's what I am looking at too

Libniz
 3 years ago
Best ResponseYou've already chosen the best response.1clc clear x = 0:pi/1000:4*pi theta=0:pi:4*pi plot(x,cos(x)) set(gca,'XTick',0:pi:4*pi) set(gca,'XTickLabel',{'0','pi','2 pi','3 pi',' 4 pi'}) xlabel('theta') ylabel('cos(theta)') grid off

monroe17
 3 years ago
Best ResponseYou've already chosen the best response.0it's perfect!!! thank you! my goodness you're amazing!
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