Unrecognized table variable name 'time'

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Hi, I want to plot a time space diagram showing speed. First row is postmile (yvar), first row, first column is time (xvar), and other value are cvar.
I have writhe the readtable function. In workspace time table is there but I got the following error message:
My code and error message:
Snapshot of my heatmap3.csv file
Could you please advise what's wrong wiht my code?
Thanks

Risposta accettata

Walter Roberson
Walter Roberson il 27 Mar 2021
Your csv file happears to have no header line, so the variable names created are Var1, Var2, and so on.
You are also attempting to color according to an array, not according to a single variable.
time = T{2:end,1};
postmile = T{1,2:end};
speed = T{2:end,2:end};
h = heatmap(time, postmile, speed);
  3 Commenti
Walter Roberson
Walter Roberson il 27 Mar 2021
time = T{2:end,1};
postmile = T{1,2:end};
speed = T{2:end,2:end}.';
h = heatmap(time, postmile, speed);
MOHAMMAD ABDUL MOKTADIR CHOWDHURY
Thanks a lot Walter
Its workig now

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MOHAMMAD ABDUL MOKTADIR CHOWDHURY
Thanks a lot Walter.
It is working now.

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R2020b

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