VECTOR_INSERT

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The VECTOR_INSERT node inserts a value to the Vector at the specified index. Inputs ------ v : Vector The input vector to insert value. Params: element : int The value to add to the input vector. index : int The index of the vector to insert value. Returns: out : Vector The new vector that contains the inserted value

Python Code

from numpy import concatenate
from flojoy import flojoy, Vector


@flojoy
def VECTOR_INSERT(default: Vector, index: int = 0, value: int = 0) -> Vector:
    """The VECTOR_INSERT node inserts a value to the Vector at the
    specified index.

    Inputs
    ------
    v : Vector
        The input vector to insert value.

    Parameters
    ----------
    element: int
        The value to add to the input vector.

    index: int
        The index of the vector to insert value.

    Returns
    -------
    Vector
        The new vector that contains the inserted value
    """

    assert (
        len(default.v) > index
    ), "The index parameter must be less than the length of the Vector."
    assert index >= 0, "The index parameter must be greater than zero."

    if index == len(default.v) - 1:
        v = concatenate((default.v, [value]))
    else:
        v = concatenate((default.v[:index], [value], default.v[index:]))

    return Vector(v=v)

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Example App

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In this example, we generate a vector by using a LINSPACE node. Then, a value specified (13) is inserted at index 0 VECTOR_INSERT. The value is visualized with SCATTER node. Another set of example excluding VECTOR_INSERT node has been added for comparison.