MATLAB: Quiver plot between 2 dots.

quiver plot

How to plot a quiver between

P1=[ 0.85 4.87]
P2=[ 0.88 4.88]

best regards

Best Answer

You simply need to compute the difference between the two vectors:

P1=[ 0.85 4.87]
P2=[ 0.88 4.88]
D = P2 - P1;
quiver( P1(1), P1(2), D(1), D(2), 0 )

The zero as the last argument to quiver tell is to not do automatic scaling. That way you see the arrow actually going between the two points.

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MATLAB: How to do a Quiver plot between two data sets

      D=P2-P1
    figure
      for k=1:length(P1);
          hold on;
          quiver(P1(k,2), P1(k,1), D(k,2),D(k,1),0);
      end
plot(P1(:,2), P1(:,1), '.b', 'markersize', 15)
plot(P2(:,2), P2(:,1), '.g', 'markersize', 20)

MATLAB: Plotting an undirected graph gives me only unconnected dots.

I found a solution for deleting the isolated nodes. First you find the degree matrix for every node. The elements which have a degree of zero are isolated nodes. Therefore your next move is to find the indexes of those elements and the delete them from the graph:

D = degree(G);

index = find(D == 0);

D(index) = [];

G = rmnode(G,index);

Best Answer

Related Solutions

MATLAB: How to do a Quiver plot between two data sets

MATLAB: Plotting an undirected graph gives me only unconnected dots.

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