def get_table(xdata, ydata):
N = len(xdata)
table = Tabular('|c|' + 'c|' * N)
table.add_hline()
table.add_row(('x_i', ) + xdata)
table.add_hline()
table.add_row(('y_i', ) + ydata)
table.add_hline()
return table.dumps()
def __init__(self, xdata, ydata, basis='1,x,x^2'):
N = xdata.shape[0]
table = Tabular('|c|' + 'c|' * N)
table.add_hline()
table.add_row(('$x_i$', ) + xdata)
table.add_hline()
table.add_row(('$y_i$', ) + ydata)
table.add_hline()
template = '用一组基$\\{{{basis}}\\}$拟合数据 %s.' % table.dumps()
parameter = {'basis': basis, 'xdata': xdata, 'ydata': ydata}
super(LeastSquareProblem, self).__init__(template, parameter)