How can we generate points with an increasing interval?

Dear Matlab People,

Could you please tell me how I can generate points with an increasing interval? The function 'linspace' creates at an constant interval. Actually, I am trying a four-noded mesh of a rectangular plate. The mesh size shall increase in both horizontal and vertical directions.

Thanks

[jonas]

Well, there are infinite numbers of ways to achieve this, depending on your desired interval. For example:

x=linspace(1,10,10)
x=exp(x)

What are you looking for specifically?

[Stephen23]

Shivani Rani's "Answer" moved here:

Thank you for replying.

Using Linspace and Meshgrid commands, I created a mesh (see the image). In this mesh, the elements are relatively of same size. Becuase of this, I am getting too coarse mesh and then my analysis is taking too long to perform. I was wondering if there is a way that I can have a mesh grid in which there is a finer mesh near the edge (left corner) and then increases in both horizontal and vertical direactions. This way, I can reduce the computation time.

Answer 1

[Jeff Miller]

Try using logspace instead of linspace.

Answer 2

[jonas]

You have to play around with the X and Y coordinates to get the type of mesh you are looking for. Easiest I can think of is the following, which creates a 50x50 element mesh similar to the one you described.

[X,Y]=meshgrid(0:50,0:50);
X=X.^2./X(end).^2
Y=Y.^2./Y(end).^2
plot(X,Y,'k',...
    Y,X,'k')