plotting in same figure window

It's needed while using same plot command, it plots in the same figure window and not in another figure window

for example:

h1 = figure;
plot(randn(100,1));
figure(h1)

now while using same above plot command, it's needed that plots in the same figure window and not in another figure window

Answer 1

[Fangjun Jiang]

>> help figure

FIGURE Create figure window.
  FIGURE, by itself, creates a new figure window, and returns
  its handle.

    FIGURE(H) makes H the current figure, forces it to become visible,
    and raises it above all other figures on the screen.  If Figure H
    does not exist, and H is an integer, a new figure is created with
    handle H.

So, if you want to always plot on the same figure, you can use h=figure(1), which may not be good in some cases because it over-write the existing figure 1.

Or, you can use close() to close the existing figure first.

In any case, remember figure has a handle. It is like the figure's ID. You can always specify to which figure you want to plot.

h1=figure(1);
set(h1,'name','myname');
plot(1:10);

[mohammad]

thanks so much

Answer 2

[Wayne King]

Do you want the plot to replace what is already there and keep the same axes?

    h1 = figure;
    plot(randn(100,1));
    figure(h1)
    ax = gca;
    plot(ax,randn(100,1),'r');

Or do you want the plot to be in addition to what is there with the same axes?

    h1 = figure;
    plot(randn(100,1));
    figure(h1)
    ax = gca; hold on;
    plot(ax,randn(100,1),'r');

Wayne

[mohammad]

when i copy and paste all of under commands in command window:

h1 = figure;

plot(randn(100,1));

figure(h1)

it plots a figure in name of figure1

then while again i copy and past all above command in command window it plots a figure in name of figure2. but i want it plots on figure1 and not in another window(not in figure2). and not coming up a new figure window

[Fangjun Jiang]

In that case, use h1=figure(1) instead.

[Fangjun Jiang]

See update in my answer.

[mohammad]

so thanks