Hello Federico,
Thanks for pointing this issue.
It is clearly a bug. It occurs since the earliest ages of Scilab.
It will be fixed ASAP.
Regards
Samuel
Le 02/02/2019 à 09:42, Federico Miyara a écrit :
Dear all,
I know it is better to use plot2d, but I wonder why plot works
differently from plot2d when one of the variables is integer.
Consider this code
// Generate x axis with real (double) numbers
x = (1:20)/20
// Generate y axis with random integers
y = iconvert(100*rand(1,20),2)
// Plot y vs x
plot(x, y)
The plot represents x vs its index, which is not the intended
behavior. Replacing plot(x,y) with plot2d(x,y) we get the correct plot.
The documentation of both plot and plot2d requires "real" matrix or
vector. It seems that plot takes it a bit too literally (as a data
type) while plot2d adheres to the mathematical meaning of "real"
(considering integer numbers as a subset of real numbers).
Is there a fundamental reason for this?
The problem arises when one retrieves integers from a file without
converting them to double (which requires much more memory).
Regards,
Federico Miyara
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