Plotting a 2D matrix

I need to plot a matrix M which is 300*42 in size. On the X axis I need to plot 1:42. On the Y Axis I need to plot the value corresponding to the 42 values. On the Z axis I need to plot the 1:300 value.

I tried using the plot3 function in a loop like this and I wouldnt get it right :

    for i = 1:300
    plot( 1:42,  M(i, 1:42), 1:i);
    hold on;
    drawnow ;
    end

I get the error Vectors are not of similar lengths. Please Help. Many thanks

Regards

[pietro]

how can you make a plot of vectors with different sizes?

[Alok Pathak]

The Idea is this. I have recorded a vector of length 42. I have done this process for 300 times. I want to show how the vector changes while i record the vector 300 times. I wanted to show a 3d plot that carries this information.

The vectors are of similar lengths. 1: 42 and M(i,1:42) are both 1*42 double.

Regards

[Gnaneswar Nadh satapathi]

plot it as

surf(M)

Answer 1

[Andrei Bobrov]

s = size(M);
[z,x] = ndgrid(1:s(1),1:s(2));
data = permute(num2cell(cat(3,x,M,z),  2),[3,2,1]);
plot3(data{:});

or

s = size(M);
[x,z] = ndgrid(1:s(2),1:s(1));
plot3(x,M.',z);

Answer 2

[David Sanchez]

Maybe you are thinking no something like this:

M=rand(300,42); % your data here
[xx, yy] = meshgrid(1:42,1:300);
plot3(xx,yy,M,'*')