Python matplotlib manipulating to use it in the plot title

assume I've the following variable

roundi = theta_result_lasso.round(2)
[ 0. -2.36]


where theta_result_lasso.round are just two values.

The line for my plot title is

ax.set_title(r'Globales Minimum $hat beta$ = {}'.format(roundi), fontsize=20)


producing this:

is there a way to replace the "." after the zero by a "," and descreasing the disance between the two values as it should look like a "vector" ?

It should look like this:

[0, -2.36]


If you Need further informations, I'll provide an example

type(roundi)

2 Answers
2

If your array consist of two variables every time, the easiest would be to format your string something like the following

roundi = [0.0,-2.36]
titlestring = 'Globales Minimum $hat beta$ = [{:0.0f}, {:0.2f}]'.format(roundi[0],roundi[1])


The values in roundi are accessed and formatted individually here.
This will result in the following formatting

roundi

'Globales Minimum $\hat x08eta$ = [0, -2.36]'


Use this:

ax.set_title(r'Globales Minimum $hat beta$ = {}'.format(str(roundi) ),
fontsize=20)


[ 0, -2,36]

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