How to add two sets of imported data?
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Hi
I am currently working on a program that requires me to add two sets of data that is imported in tables. However whenever I run the code, I get this error message:
Operator '+' is not supported for operands of type 'table'.
Error in MastersDraft_1 (line 3)
Moisture_content = plus(Lime_additioncombinedprdts,Lime_additioncombinedprdtsratio);
How do I fix it?
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回答(2 个)
Siddharth Bhutiya
2023-3-30
Starting R2023a, tables now directly support arithmetic operations like plus, minus, sum, etc. So this kind of work becomes very easy. You can directly add two tables or numeric values to a table.
T1 = table([1;3],[2;4]);
T2 = table([1;2],[3;4]);
T = T1 + 10
T = T1 + T2
You can find more information about what things are now supported here: Direct Calculations on Tables and Timetables
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Peter Perkins
2021-12-7
Ashley, there's a long example in the doc that talks about "how to perform calculations by using the numeric and categorical data that the table contains" at length:
Without more information in your question, the short answer is to do things like
t.X = t.X + 1
or
tplus1 = varfun(@(x)x+1,t)
or perhaps
t{:,["X" "Y" "Z"]) = t{:,["X" "Y" "Z"]) + 1
or
t.Variables = t.Variables + 1
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