() Function The ylim () function in pyplot module of matplotlib library is used to get or set the y-limits of the current axes. This method eliminates need of separate function for controlling X-axis and Y-axis. Pyplot is a state-based interface to a Matplotlib module which provides a MATLAB-like interface. We could also use () to set limits of axes. In MATLAB, whitespace (with no operator context) inside is treated exactly the same as comma. import numpy as npĪxis() Method to Set Limits of Axes in Matplotlib If you want the axes to choose the appropriate limits, set the limits mode back to automatic. y2 2sin (x) hold on axis manual plot (x,y2) hold off. Keep the current axis limits by setting the limits mode to manual. The _xlim and _ylim are also used to set the limits for range of numbers that are viewed on resulting plot. x linspace (0,10) y sin (x) plot (x,y) Add another sine wave to the axes using hold on. set_xlim() and set_ylim() Methods to Set Axis Limits Plt.title("Plot without limiting axes",fontsize=25)Īs seen in the output figure, if we didn’t use xlim() and ylim() functions, we would get a plot with the full range of axes that is X-axis ranging from 0 to 10 while Y-axis ranging from 0 to 2. This sets the range of X-axis from 4 to 8 while that of Y-axis from -0.5 to 2.5. ax axes hold on ylim(0, 1. First, you create an axes object and hold it with hold on, so the upcoming plot is plotted on the same axis. Plt.title("Setting range of Axes",fontsize=25) The reason why ylim doesnt work if you put it before the plot command is that there is no axes object it can relate to. If we pass arguments in these methods, they set the limits for respective axes and if we do not pass any arguments, we get a range of the respective axes. () and () can be used to set or get limits for X-axis and Y-axis respectively. xlim() and ylim() to Set Limits of Axes in Matplotlib We can also use axis() method which can control the range of both axes. Similarly to set the limits for Y-axis, we could use ylim() and set_ylim() methods. ylim(yMin yMax) In the above code, yMin is the minimum value of the y-axis and yMax is the maximum value of the y-axis. If you want to set only the limit of the y-axis, you can use the ylim() function after plotting the variables. To set the limits for X-axis only, We could use xlim() and set_xlim() methods. Set Axis Limits Using ylim() Function in MATLAB. axis() Method to Set Limits of Axes in Matplotlib.set_xlim() and set_ylim() Methods to Set Axis Limits.xlim() and ylim() to Set Limits of Axes in Matplotlib.
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