Empty Matrix: 1-by-0 error
1 view (last 30 days)
Show older comments
In MATLAB I am trying to create a vector, A, which goes from 2*pi to 7*pi in increments of pi/4. My code is as follows:
A = linspace((2*pi), (7*pi), (pi/4))
However when I push enter I get this message
A = Empty matrix: 1-by-0
How can I get around this error?
0 Comments
Answers (2)
Walter Roberson
on 14 Mar 2017
linspace's third argument is for the number of points to use. You used pi/4 which is 3.14.../4 which is less than 1.
You should use the colon operator
2*pi : pi/4 : 7*pi
0 Comments
kowshik Thopalli
on 15 Mar 2017
help linspace()
y = linspace(x1,x2,n)
generates n points. The spacing between the points is (x2-x1)/(n-1). so here x1= 2*pi, x2=7*pi . Since the difference is pi/4 n=21;
so
A=linspace(2*pi,7*pi,21)
gives you what you want with the difference of pi/4
0 Comments
See Also
Categories
Find more on Creating and Concatenating Matrices in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!