def renderPlot(workspace, graphVars, func, variables, tokens=None):
    """Renders plot for functions in 2D and 3D

    Maps points from the numpy arrays for variables in given equation on the 2D/3D plot figure

    Arguments:
        workspace {QtWidgets.QWidget} -- main layout
        graphVars {list} -- variables for plotting
        dim {int} -- dimenion of plot
        variables {list} -- variables in equation
    """
    if len(graphVars) == 2:
        X, Y = graphVars[0], graphVars[1]
        ax = workspace.figure2D.add_subplot(111)
        ax.clear()
        ax.contour(X, Y, func, [0])
        ax.grid()
        ax.set_xlabel(r'$' + variables[0] + '$')
        ax.set_ylabel(r'$' + variables[1] + '$')
        workspace.figure2D.set_tight_layout({"pad": 1})  # removes extra padding
        workspace.canvas2D.draw()
        workspace.tabPlot.setCurrentIndex(0)
    elif len(graphVars) == 3:
        xrange = graphVars[0]
        yrange = graphVars[1]
        zrange = graphVars[2]
        ax = Axes3D(workspace.figure3D)
        for z in zrange:
            X, Y = np.meshgrid(xrange, yrange)
            Z = func(X, Y, z)
            ax.contour(X, Y, Z + z, [z], zdir='z')
        for y in yrange:
            X, Z = np.meshgrid(xrange, zrange)
            Y = func(X, y, Z)
            ax.contour(X, Y + y, Z, [y], zdir='y')
        for x in xrange:
            Y, Z = np.meshgrid(yrange, zrange)
            X = func(x, Y, Z)
            ax.contour(X + x, Y, Z, [x], zdir='x')
        if tokens is None:
            axisRange = workspace.axisRange
        else:
            axisRange = [10, 10, 10, 30]
        xmin = -axisRange[0]
        xmax = axisRange[0]
        ymin = -axisRange[1]
        ymax = axisRange[1]
        zmin = -axisRange[2]
        zmax = axisRange[2]
        ax.set_xlim3d(xmin, xmax)
        ax.set_ylim3d(ymin, ymax)
        ax.set_zlim3d(zmin, zmax)
        ax.set_xlabel(r'$' + variables[0] + '$')
        ax.set_ylabel(r'$' + variables[1] + '$')
        ax.set_zlabel(r'$' + variables[2] + '$')
        workspace.canvas3D.draw()
        workspace.tabPlot.setCurrentIndex(1)