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How to replace space with zero in a table?

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Sonima
Sonima on 22 Jan 2019
Answered: Peter Perkins on 23 Jan 2019
Hi!
I want to replace space with zero in the H4.Time without loop.
K>> head(H4)
ans =
8×7 table
Date Time Open High Low Close Volume
________ ______ _____ _____ _____ _____ ______
20010102 200000 64.3 64.35 64.25 64.35 184
20010103 0 64.3 64.75 64.3 64.59 924
20010103 40000 64.6 64.7 64.39 64.52 932
20010103 80000 64.51 64.73 64.48 64.58 892
Any suggestion without loop to fix it?
Thanks.
  1 Comment
Walter Roberson
Walter Roberson on 22 Jan 2019
Are the entries char or are they numeric? If they were originally numeric that got converted to fixed width then why not just 0 pad at the time?
Time = num2str([200000;0;40000;80000], '%06d')

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Peter Perkins
Peter Perkins on 23 Jan 2019
Sia, you may find that using the datetime datatype for Date, and the duration data type for Time, makes your life easier. Storing numbers as text is not likely to very convenient.

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