keras-team/keras · error · NotImplementedError

JVP is not supported by the Numpy backend.

Error message

JVP is not supported by the Numpy backend.

What it means

Error "JVP is not supported by the Numpy backend." thrown in keras-team/keras.

Source

Thrown at keras/src/backend/numpy/ops/linalg.py:122

        raise ValueError(
            "Expected input to have rank >= 2. "
            f"Received input with shape {x.shape}."
        )
    return np.linalg.matrix_rank(x, tol=tol).astype("int32")


def matrix_power(a, n):
    a = convert_to_tensor(a)
    return np.linalg.matrix_power(a, n)


def pinv(x, rcond=None):
    x = convert_to_tensor(x)
    return np.linalg.pinv(x, rcond=rcond)


def jvp(fun, primals, tangents, has_aux=False):
    raise NotImplementedError("JVP is not supported by the Numpy backend.")

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/backend/numpy/ops/linalg.py:122 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of keras-team/keras@7a34a03db6 (2026-08-25). Data as JSON: /api/errors/0d4ef65ff13b1cbe. Report an issue: GitHub.