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Harry Laing


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10 total contributions since 2020

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Answered
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...

6 maanden ago | 0

Answered
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...

6 maanden ago | 0

Answered
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)...

6 maanden ago | 0

| accepted

Answered
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...

6 maanden ago | 1

| accepted

Answered
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 ...

6 maanden ago | 0

Answered
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...

6 maanden ago | 0

| accepted

Answered
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...

7 maanden ago | 1

Answered
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...

7 maanden ago | 0

Answered
readMatrix/for loop issue
I've never heard of the function readMatrix. I'd suggest using the function readtable if your CSV file has headings as well as d...

7 maanden ago | 0

| accepted

Answered
Only the most recent graph showing up?
When you call the 'plot' function, without any other arguments, MATLAB will automatically plot the most recent request on the cu...

7 maanden ago | 1

| accepted