On 18/03/2016 11:03, wangboyuan wrote:

> Hi,

>

> I wonder how can I increase the precision of the x/y axis when I am plotting

> the graph.

>

> I have initialised the >>option long

> and I have a data set for example:

>

> x(1:3)

> ans =

>

> 736330.576631944

> 736330.576643519

> 736330.576655093

>

> y(1:3)

> ans =

>

> -62

> -63

> -62

>

> and when I do plot(x(1:3),y(1,3)), i can only see a straight vertical line

> between -62 and -63, it seems like that the x axis doesnt have enough

> decimal places to recognise the changes.

it is a know limitation of fltk that uses only single precision.

Try using gnuplot as graphics or rescale the numbers to plot

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