Dataset size: Difference between revisions
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Returns the size of the data field in a DataSet object. | Returns the size of the data field in a DataSet object. | ||
===Synopsis=== | ===Synopsis=== | ||
D = size(x,dim); | :D = size(x,dim); | ||
[M,N,...] = size(x); | :[M,N,...] = size(x); | ||
===Description=== | ===Description=== | ||
Returns the size of a DataSet .data field for the specified dimension dim. If dimension is not specified, sizes for all non-singleton dimensions are returned, either as multiple outputs, M, N, etc, or a single vector. | Returns the size of a DataSet .data field for the specified dimension dim. If dimension is not specified, sizes for all non-singleton dimensions are returned, either as multiple outputs, M, N, etc, or a single vector. | ||
Example | |||
cols = size(a,2); | ===Example=== | ||
The following returns the number of columns in the .data field of a DataSet object, a: | |||
cols = size(a,2); | |||
===See Also=== | ===See Also=== | ||
[[ | [[dataset_end]], [[dataset_length]], [[dataset_subsref]], [[dataset_ndims]] | ||
Latest revision as of 17:16, 8 October 2008
Purpose
Returns the size of the data field in a DataSet object.
Synopsis
- D = size(x,dim);
- [M,N,...] = size(x);
Description
Returns the size of a DataSet .data field for the specified dimension dim. If dimension is not specified, sizes for all non-singleton dimensions are returned, either as multiple outputs, M, N, etc, or a single vector.
Example
The following returns the number of columns in the .data field of a DataSet object, a:
cols = size(a,2);