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[37] | 1 | function Y = ifftshift(X,dim) |
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| 2 | % IFFTSHIFT Inverse FFT shift. |
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| 3 | % (Quaternion overloading of standard Matlab function.) |
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| 4 | |
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| 5 | % Copyright © 2005 Stephen J. Sangwine and Nicolas Le Bihan. |
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| 6 | % See the file : Copyright.m for further details. |
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| 7 | |
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| 8 | error(nargchk(1, 2, nargin)), error(nargoutchk(0, 1, nargout)) |
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| 9 | |
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| 10 | if nargin == 1 |
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| 11 | if ispure(X) |
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| 12 | Y = quaternion( ifftshift(x(X)), ifftshift(y(X)), ifftshift(z(X))); |
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| 13 | else |
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| 14 | Y = quaternion(ifftshift(s(X)), ifftshift(x(X)), ifftshift(y(X)), ifftshift(z(X))); |
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| 15 | end |
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| 16 | else |
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| 17 | if ispure(X) |
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| 18 | Y = quaternion( ifftshift(x(X), dim), ifftshift(y(X), dim), ifftshift(z(X), dim)); |
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| 19 | else |
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| 20 | Y = quaternion(ifftshift(s(X), dim), ifftshift(x(X), dim), ifftshift(y(X), dim), ifftshift(z(X), dim)); |
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| 21 | end |
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| 22 | end |
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