return i_arr `` q.interp(data_x_arr, i_arr) approx x_arr `` x_arr can be either an 1-D array-like object or a single number. e.g.: `` data(x) data_arr[:] = data(data_x_arr) q.interp(data_arr, i_arr) approx data(x_arr) ``
i_arr
x_arr