1 семестр / Линейная Алгебра / close all
.docx
>> close all
>> ezplot('(x^2)/4+(y^2)/3=1')
>> hold on
>> grid on
>> plot(sqrt(16-9),0,'b','linewidth',4);
>> c=[sqrt(7) 0]
c =
2.6458 0
>> p=-c
p =
-2.6458 0
>> plot(c(1),c(2),'b','linewidth',4,p(1),p(2),'b','linewidth',4)
??? Error using ==> plot
String argument is an unknown option.
>> plot(c(1),c(2),'b','linewidth',4)
>> plot(c(1),c(2),'b','linewidth',4)
>> plot(c(1),c(2),'b','linewidth',4)
>> plot(c(1),c(2),'b','linewidth',4)
>> plot(c(1),c(2),'b','linewidth',4)
>> plot(c(1),c(2),'b','linewidth',4)
>> plot(c(1),c(2),'b','linewidth',4)
>> plot(c(1),c(2),'b','linewidth',4)
>> plot(c(1),c(2),'b','linewidth',4)
>> plot(c(1),c(2),'b','linewidth',4)
>> plot(1,2,'b','linewidth',4)
>> plot(c(1),c(2),'b*','linewidth',4)
>> ezplot('(x/4)^2+(y/3)^2=1')
>> plot(p(1),p(2),'b*','linewidth',4)
>> e=c/4
e =
0.6614 0
>> e=0.6614
e =
0.6614
>> ezplot('e*x+4=0')
>> plot(-4/e,[-6 6],'k')
>> e=sqrt(1-9/16)
e =
0.6614
>> x=a/e
??? Undefined function or variable 'a'.
>> x=4/e
x =
6.0474
>> y=[-6 6]
y =
-6 6
>> plot(x,y,'b')
>> plot(x,y,'black')
>> line([x x],[-6 6],'color','linewidth',4)
??? Error using ==> line
String argument is an unknown option.
>> line([x x],[-6 6],'color','black','linewidth',4)
>> line([-x -x],[-6 6],'color','black','linewidth',4)
>> line([-4 4],[3 3],'color','black','linewidth',3)
>> line([-4 4],[-3 -3],'color','black','linewidth',3)
>> line([-4 -4],[-3 3],'color','black','linewidth',3)
>> line([4 4],[-3 3],'color','black','linewidth',3)
>> hold on
>> title('(x/4)^2+(y/3)^2=1')
>> subplot(2,2,1)
>> grid on
>> hold on
>> title('(x/4)^2+(y/3)^2=1')
>> ezplot('(x/4)^2+(y/3)^2=1')
>> e=sqrt(1-9/16)
e =
0.6614
>> x=4/e
x =
6.0474
>> y=[-6 6]
y =
-6 6
>> hold on
>> line([x x],[-6 6],'color','black','linewidth',4)
>> line([-x -x],[-6 6],'color','black','linewidth',4)
>> line([-4 4],[3 3],'color','black','linewidth',3)
>> line([-4 4],[-3 -3],'color','black','linewidth',3)
>> line([-4 -4],[-3 3],'color','black','linewidth',3)
>> line([4 4],[-3 3],'color','black','linewidth',3)
>> hold on
>> plot(c(1),c(2),'b*','linewidth',4)
>> plot(p(1),p(2),'b*','linewidth',4)
>> hold on
>> subplot(2,2,2)
>> grid on
>> hold on
>> ezplot('(x/3)^2+(y/4)^2=1')
>> hold on
>> e=