21 lines
461 B
Python
21 lines
461 B
Python
from numpy import *
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from matplotlib.pyplot import *
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# google matplotlib gallery
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# create basepoints and function values
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x = linspace(-2., 2., 100)
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y = (x + 2.)**2 - 5.
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fig = figure() # create figure
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ax = fig.add_subplot(1,1,1) # subplot with 1 row, 1 column, and get axes of first plot
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ax.plot(x,y)
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ax.set_xlabel('x values')
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ax.set_ylabel('y values')
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ax.set_title('quadratic function')
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show() # show plot
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fig.savefig( "test.pdf" ) # saves plot into file
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