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5 Examples 7

3 View Source File :
License : MIT License
Project Creator : andyljones

    def refresh(self):
        reinit = self.refresh_groups()
        if reinit:

        for subplot, plotter in self.plotters.items():

        if self.handle:

def review(run=-1, **kwargs):

3 View Source File :
License : GNU General Public License v3.0
Project Creator : lucasbellinaso

  def updateBokeh(self):
    self.updateDistResponse({'new':'success'}) = self.Bknb_handle);
  def updateTransferFunction(self):

3 View Source File :
License : GNU General Public License v3.0
Project Creator : lucasbellinaso

  def updateRequirements(self,b):
    max_overshot = 0.01*self.CtrAnWgt.OShotIn.value+1['overshot'] = [max_overshot, max_overshot]['risetime'] = [self.CtrAnWgt.RTimeIn.value, 1e4]['settlingtime'] = [self.CtrAnWgt.STimeIn.value, 1e4] = self.Bknb_handle)

  def updateDistResponse(self,button_style):

3 View Source File :
License : GNU General Public License v3.0
Project Creator : lucasbellinaso

  def updateDistResponse(self,button_style):
    if button_style['new']=='success' and len(self.CtrAnWgt.waveVec_dict['t_s']>90):
      from control.matlab import lsim
      t,r,du,dy,dm = map(self.CtrAnWgt.waveVec_dict.get, ('t_s','r','du','dy','dm'))
      y, u = np.zeros_like(t), np.zeros_like(t)
      yu,_,_ = lsim(self.sysMF, U=np.column_stack((r,du,dy,dm)), T=t)
      ymf, umf = yu[:,0], yu[:,1] = {'t_s':t,'r':r,'du':du,'dy':dy,'dm':dm,'y':ymf,'u':umf}
      ymin, ymax, umin, umax = np.min(ymf), np.max(ymf), np.min(umf), np.max(umf)
      self.figTResp2.y_range.update(start = ymin - 0.05*(ymax-ymin),
                                    end = ymax + 0.05*(ymax-ymin))
      self.figTResp2.extra_y_ranges['u_range'].update(start = umin - 0.05*(umax-umin),
                                                      end = umax + 0.05*(umax-umin)) = self.Bknb_handle)

0 View Source File :
License : BSD 3-Clause "New" or "Revised" License
Project Creator : cornell-zhang

def notears_live(G: nx.DiGraph,
                 X: np.ndarray,
                 lambda1: float,
                 max_iter: int = 100,
                 h_tol: float = 1e-8,
                 w_threshold: float = 0.3) -> np.ndarray:
    """Monitor the optimization progress live in notebook.

        G: ground truth graph
        X: [n,d] sample matrix
        lambda1: l1 regularization parameter
        max_iter: max number of dual ascent steps
        h_tol: exit if |h(w)|   <  = h_tol
        w_threshold: fixed threshold for edge weights

        W_est: [d,d] estimate
    # initialization
    n, d = X.shape
    w_est, w_new = np.zeros(d * d), np.zeros(d * d)
    rho, alpha, h, h_new = 1.0, 0.0, np.inf, np.inf

    # ground truth
    w_true = nx.to_numpy_array(G).flatten()

    # progress, stream
    progress_data = {key:[] for key in ['step', 'F', 'h',
                                        'rho', 'alpha', 'l2_dist']}
    progress_source = ColumnDataSource(data=progress_data)

    # heatmap, patch
    ids = [str(i) for i in range(d)]
    all_ids = np.tile(ids, [d, 1])
    row = all_ids.T.flatten()
    col = all_ids.flatten()
    heatmap_data = {'row': row, 'col': col,
                    'w_true': w_true, 'w_est': w_est, 'w_diff': w_true - w_est}
    heatmap_source = ColumnDataSource(data=heatmap_data)
    mapper = LinearColorMapper(palette=Palette, low=-2, high=2)

    # common tools
    tools = 'crosshair,save,reset'

    # F(w_est) vs step
    F_true = cppext.F_func(w_true, X, lambda1)
    fig0 = figure(plot_width=270, plot_height=240,
                  y_axis_type='log', tools=tools)
    fig0.ray(0, F_true, length=0, angle=0, color='green',
             line_dash='dashed', line_width=2, legend='F(w_true)')
    fig0.line('step', 'F', source=progress_source,
              color='red', line_width=2, legend='F(w_est)')
    fig0.title.text = "Objective"
    fig0.xaxis.axis_label = "step"
    fig0.legend.location = "bottom_left"
    fig0.legend.background_fill_alpha = 0.5
    fig0.add_tools(HoverTool(tooltips=[("step", "@step"),
                                       ("F", "@F"),
                                       ("F_true", '%.6g' % F_true)],

    # h(w_est) vs step
    fig1 = figure(plot_width=280, plot_height=240,
                  y_axis_type='log', tools=tools)
    fig1.line('step', 'h', source=progress_source,
              color='magenta', line_width=2, legend='h(w_est)')
    fig1.title.text = "Constraint"
    fig1.xaxis.axis_label = "step"
    fig1.legend.location = "bottom_left"
    fig1.legend.background_fill_alpha = 0.5
    fig1.add_tools(HoverTool(tooltips=[("step", "@step"),
                                       ("h", "@h"),
                                       ("rho", "@rho"),
                                       ("alpha", "@alpha")],

    # ||w_true - w_est|| vs step
    fig2 = figure(plot_width=270, plot_height=240,
                  y_axis_type='log', tools=tools)
    fig2.line('step', 'l2_dist', source=progress_source,
              color='blue', line_width=2)
    fig2.title.text = "L2 distance to W_true"
    fig2.xaxis.axis_label = "step"
    fig2.add_tools(HoverTool(tooltips=[("step", "@step"),
                                       ("w_est", "@l2_dist")],

    # heatmap of w_true
    fig3 = figure(plot_width=270, plot_height=240,
                  x_range=ids, y_range=list(reversed(ids)), tools=tools)
    fig3.rect(x='col', y='row', width=1, height=1, source=heatmap_source,
              line_color=None, fill_color=transform('w_true', mapper))
    fig3.title.text = 'W_true'
    fig3.axis.visible = False
    fig3.add_tools(HoverTool(tooltips=[("row, col", "@row, @col"),
                                       ("w_true", "@w_true")]))

    # heatmap of w_est
    fig4 = figure(plot_width=280, plot_height=240,
                  x_range=ids, y_range=list(reversed(ids)), tools=tools)
    fig4.rect(x='col', y='row', width=1, height=1, source=heatmap_source,
              line_color=None, fill_color=transform('w_est', mapper))
    fig4.title.text = 'W_est'
    fig4.axis.visible = False
    fig4.add_tools(HoverTool(tooltips=[("row, col", "@row, @col"),
                                       ("w_est", "@w_est")]))

    # heatmap of w_true - w_est
    fig5 = figure(plot_width=270, plot_height=240,
                  x_range=ids, y_range=list(reversed(ids)), tools=tools)
    fig5.rect(x='col', y='row', width=1, height=1, source=heatmap_source,
               line_color=None, fill_color=transform('w_diff', mapper))
    fig5.title.text = 'W_true - W_est'
    fig5.axis.visible = False
    fig5.add_tools(HoverTool(tooltips=[("row, col", "@row, @col"),
                                       ("w_diff", "@w_diff")]))

    # display figures as grid
    grid = gridplot([[fig0, fig1, fig2],
                     [fig3, fig4, fig5]], merge_tools=False)
    handle = show(grid, notebook_handle=True)

    # enter main loop
    for it in range(max_iter):
        while rho  <  1e+20:
            w_new = cppext.minimize_subproblem(w_est, X, rho, alpha, lambda1)
            h_new = cppext.h_func(w_new)
            if h_new > 0.25 * h:
                rho *= 10
        w_est, h = w_new, h_new
        alpha += rho * h
        # update figures{'step': [it],
                                'F': [cppext.F_func(w_est, X, lambda1)],
                                'h': [h],
                                'rho': [rho],
                                'alpha': [alpha],
                                'l2_dist': [np.linalg.norm(w_est - w_true)],})
        heatmap_source.patch({'w_est': [(slice(d * d), w_est)],
                              'w_diff': [(slice(d * d), w_true - w_est)]})
        # check termination of main loop
        if h  < = h_tol:

    # final threshold
    w_est[np.abs(w_est)  <  w_threshold] = 0
    return w_est.reshape([d, d])