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There is no null vector with norm less than or equal to 2:
Scope (6)This finds an integer null vector for a vector of exact real numbers:
This proves that there is no null vector with norm less than or equal to 8:
For a bound close to the norm of a null vector you may not get proof that no null vector exists:
The returned null vector does not satisfy the norm bound:
FindIntegerNullVector cannot prove that numbers are linearly independent over the integers:
It can prove that there is no integer null vector with norm less than or equal to a given bound:
For inexact input, the relation is true up to the precision of the input:
No null vector exists for the given norm bound:
Here no null vector is found, but nonexistence of a null vector is proven only for a smaller norm bound:
This finds a null vector for a 20-digit approximation of :
The result is not a null vector for the exact vector :
A null vector found for a higher-precision approximation of is also a null vector for :
This gives a Gaussian integer null vector for a vector of exact complex numbers:
This finds a Gaussian integer null vector for a vector of approximate complex numbers:
Options (2) ZeroTest (1)By default, PossibleZeroQ with Method->"ExactAlgebraics" is used to prove relations:
This uses exact methods to prove the relation:
This uses a high-precision numeric test instead:
Applications (3)Find coefficients of the minimal polynomial of an algebraic number:
This finds the minimal polynomial using symbolic methods:
Find a relation between transcendental numbers:
Find the coefficients in Machin's formula for computing approximations of :
Properties & Relations (3)FindIntegerNullVector returns an integer null vector for the given vector:
An integer null vector is a nontrivial integer solution of a homogeneous linear equation:
Use FindInstance to find solutions of equations:
Find coefficients of the minimal polynomial of an algebraic number using its approximation:
Use RootApproximant to find an algebraic number using its approximation:
Possible Issues (2)The precision of an approximation may not be sufficient to find a relation between numbers:
Using a higher-precision approximation, you get a true relation:
Numeric zero testing used for nonalgebraic numbers may allow results that are not null vectors:
This gives the precision used in zero testing when no symbolic zero-testing method applies:
With a higher zero-testing precision, FindIntegerNullVector correctly rejects the vector:
Reset the system option to the original value:
Wolfram Research (2010), FindIntegerNullVector, Wolfram Language function, https://reference.wolfram.com/language/ref/FindIntegerNullVector.html. TextWolfram Research (2010), FindIntegerNullVector, Wolfram Language function, https://reference.wolfram.com/language/ref/FindIntegerNullVector.html.
CMSWolfram Language. 2010. "FindIntegerNullVector." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/FindIntegerNullVector.html.
APAWolfram Language. (2010). FindIntegerNullVector. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/FindIntegerNullVector.html
BibTeX@misc{reference.wolfram_2025_findintegernullvector, author="Wolfram Research", title="{FindIntegerNullVector}", year="2010", howpublished="\url{https://reference.wolfram.com/language/ref/FindIntegerNullVector.html}", note=[Accessed: 12-July-2025 ]}
BibLaTeX@online{reference.wolfram_2025_findintegernullvector, organization={Wolfram Research}, title={FindIntegerNullVector}, year={2010}, url={https://reference.wolfram.com/language/ref/FindIntegerNullVector.html}, note=[Accessed: 12-July-2025 ]}
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