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# Harry Laing

##### Last seen: Today
10 total contributions since 2020

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how to find the row number of the input 3d data from 86 millions of table data?
Because you have 86 million rows, searching will take time. Try the ismember function to see if thats faster than whet youve alr...

5 months ago | 0

MATLAB how to display negative values if any in code
One way would be to use a for loop to go through each cell in the matrix and test to see if it is negative, and if so require an...

5 months ago | 0

A variable and a string in a table cell?
You cannot have two different data types in one cell. I can see you're attempting to convert a number (I presume of type double)...

5 months ago | 0

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How to convert a column in a table to date format for plotting a time series?
You can use the datetime function to convert from string to datetime format for plotting. However, the letter T and Z in your st...

5 months ago | 1

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Unable to perform assignment because the indicies on the left side are not compatible with the size of the right side error
It is better to put the actual code in your question rather than just screenshots. But from your picture it looks as though you ...

5 months ago | 0

deriving new variable from existing column vector using for-loop
Simple error. Your data_new(i)=randi([5,29],8,1)' is the problem. Try putting the line randi([5,29],8,1) ' into the command wind...

5 months ago | 0

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Decision Based on Multiple Values
Unless there is some mathematical formula that you use to determine the position (which we don't know), then I'm afraid a long l...

5 months ago | 1

How to create extra data based on a string cell value?
I'm going to assume that the actual date (day) of the time column doesn't matter, or happens to be todays date. Because MATLAB's...

5 months ago | 0