Rev | Line | |
---|
[37] | 1 | function tf = isreal(A) |
---|
| 2 | % ISREAL True for real (quaternion) array. |
---|
| 3 | % (Quaternion overloading of standard Matlab function.) |
---|
| 4 | |
---|
| 5 | % Copyright © 2005 Stephen J. Sangwine and Nicolas Le Bihan. |
---|
| 6 | % See the file : Copyright.m for further details. |
---|
| 7 | |
---|
| 8 | % This function returns true if all the components of A are real, that is, |
---|
| 9 | % A is a quaternion with real coefficients (a real quaternion). |
---|
| 10 | |
---|
| 11 | error(nargchk(1, 1, nargin)), error(nargoutchk(0, 1, nargout)) |
---|
| 12 | |
---|
| 13 | if ispure(A) |
---|
| 14 | tf = isreal(x(A)) & isreal(y(A)) & isreal(z(A)); |
---|
| 15 | else |
---|
| 16 | tf = isreal(s(A)) & isreal(v(A)); |
---|
| 17 | end |
---|
Note: See
TracBrowser
for help on using the repository browser.