Matlab - graphic handles

Question 1

what is gcf

Answer 1

gcf is the handle to the current figure. Get(gcf) will show you the properties of the current figure.

Question 2

how would you tell Matlab to place a current figure in a position

Answer 2

set(gcf,’Position’,[50,50,600,800])

Question 3

in this example: set(gcf,’Position’,[50,50,600,800]) where do the pixels indicate to?

Answer 3

50 pixels above and 50 pixels to the left of the bottom left hand of the corner of the screen. the figure is 600 pixels wide and 800 pixels high.

Question 4

what is gca?

Answer 4

the handle to the current axis
set (gca,’XTick’,1:4’,’XTickLabel’,{‘cat’,’dog’,’car’,’boat’})
- This gives the current axis four tick marks at numbers 1 to 4, and puts the words ‘cat’
, ‘dog’ etc on each
tick mark.