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CSV read write files >> CSV read write files > csv_isnum

csv_isnum

tests if a string represents a number

Calling Sequence

res = csv_isnum(str)

Arguments

str

A character string or a matrix of character strings.

res

A boolean matrix.

Description

res = csv_isnum(str)returns %T if str represents a number.

csv_isnum is faster than default scilab function isnum

tic(); isnum(string(ones(100, 100))); toc()
tic(); csv_isnum(string(ones(100, 100))); toc()

Examples

csv_isnum(['1'     , ..
       '-1.23' , ..
       'Me', .. 
       '1d+23' , ..
       '%pi'])

See Also

Author


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