Mathematics · Linear Algebra
Rank–Nullity Dimension Calculator
Calculate domain dimension from linear-map rank and nullity.
Inputs and results stay in this browser. Change one value at a time to explore the relationship.
Calculation steps
- Use c=a+b with linear-map rank=7 and nullity=3.
- domain dimension=10.
Understand Rank–Nullity Dimension
One idea, three depths
Choose how deeply to explain Rank–Nullity Dimension
Rank–Nullity Dimension: Calculate domain dimension from linear-map rank and nullity.
Age 5Explain it to a 5-year-oldStart with a picture
Imagine using Rank–Nullity Dimension to answer this question: calculate domain dimension from linear-map rank and nullity? Enter linear-map rank and nullity; the calculator shows domain dimension. For example: linear-map rank=7 and nullity=3 produce domain dimension=10. The answer tells you domain dimension.
Age 15Explain it to a 15-year-oldConnect it to the formula
The rank–nullity theorem decomposes a finite-dimensional domain into image and kernel dimensions. This page evaluates the relationship directly. The rule is c=a+b. Its input values are linear-map rank, nullity, and the main result is domain dimension. For example: linear-map rank=7 and nullity=3 produce domain dimension=10.
CollegeExplain it at college levelState the model precisely
This calculator evaluates the stated rank–nullity dimension relation over the valid real-number domain stated below. The implemented relation is c=a+b, evaluated from linear-map rank, nullity to produce domain dimension. The rank–nullity theorem decomposes a finite-dimensional domain into image and kernel dimensions. This page evaluates the relationship directly. Rank and nullity are non-negative integers measured for the same linear map.
Inputs and valid domain
- linear-map rank must be a finite real number.
- nullity must be a finite real number.
Important boundary: Rank and nullity are non-negative integers measured for the same linear map.
The formula
c=a+b
How the calculator works through it
It substitutes linear-map rank, nullity into the formula and exposes every numerical step above. The main output is domain dimension.
Read the result correctly
The domain dimension is the direct answer to “calculate domain dimension from linear-map rank and nullity.” Read it with the units shown beside the inputs; a sign, angle, percentage or rate changes what the number means.
A worked check
linear-map rank=7 and nullity=3 produce domain dimension=10.
Where this model stops being reliable
Rank and nullity are non-negative integers measured for the same linear map.
Learn it by changing one value
Begin with the worked example, then change one value while keeping the others fixed. Compare the new result and calculation steps to identify which part of the formula changed.
Dictionary terms behind this calculator
Before studying the codeWhat you should know firstUse the calculator immediately, or check the foundations before reading the implementation.
These foundations help you understand why Rank–Nullity Dimension works. They never block the calculator, and “optional” means useful context rather than a hidden requirement.
Hard requirements
- Reading formulas and substituting values
Rank–Nullity Dimension uses c=a+b. You need to recognise what each side represents before substituting the stated inputs or rearranging the relationship.
Review this foundation about 4 min
Strong support
- Vectors and components
Component notation helps you follow how Rank–Nullity Dimension combines directional or indexed values.
Review this foundation about 6 min
Optional enrichment
- Matrices and linear transformations
Matrices place Rank–Nullity Dimension inside the wider language of linear systems and transformations.
Review this foundation about 7 min
Mathematics → algorithm → program
Implement this calculation in code
These are direct reference implementations of the calculator's principal relationship and first output. They run locally and include a small known-answer check where the language supports it.
Algorithm
- Read linear-map rank, nullity.
- Evaluate the principal relationship: c=a+b.
- Return domain dimension and check the domain conditions described above.
Python
from math import *
def rank_nullity_dimension_calculator(a, b) -> float:
return (a + b)
assert abs(rank_nullity_dimension_calculator(7, 3) - 10) < 1e-6 * max(1.0, abs(10))
C
#include <assert.h>
#include <math.h>
double rank_nullity_dimension_calculator(double a, double b) {
return (a + b);
}
int main(void) {
const double expected = 10;
const double actual = rank_nullity_dimension_calculator(7, 3);
assert(fabs(actual - expected) < 1e-6 * fmax(1.0, fabs(expected)));
}
C++
#include <cassert>
#include <cmath>
#include <numbers>
double rank_nullity_dimension_calculator(double a, double b) {
return (a + b);
}
int main() {
constexpr double expected = 10;
const double actual = rank_nullity_dimension_calculator(7, 3);
assert(std::fabs(actual - expected) < 1e-6 * std::fmax(1.0, std::fabs(expected)));
}
Linux x86-64 assembly
x86-64 NASM · System V ABI · Linux · SSE2 with libm where required
; double rank_nullity_dimension_calculator(double a, double b)
; Linux x86-64 NASM · System V ABI · first eight doubles in xmm0–xmm7
global rank_nullity_dimension_calculator
section .text
rank_nullity_dimension_calculator:
push rbp
mov rbp, rsp
sub rsp, 32
movsd [rbp-8], xmm0
movsd [rbp-16], xmm1
movsd xmm0, [rbp-8]
addsd xmm0, [rbp-16]
movsd [rbp-24], xmm0
movsd xmm0, [rbp-24]
leave
ret
MATLAB
function result = rank_nullity_dimension_calculator(a, b)
result = (a + b);
end
Wolfram Language
ClearAll[mwCalculate];
mwCalculate[a_, b_] := (a + b);
Continue in mathematical software
The downloaded file includes your current inputs and first calculated result. It is created locally.
Floating-point answers can differ slightly by language, compiler and processor. Compare within a suitable tolerance rather than assuming every decimal representation will be identical.
Supporting sourcesAcademic referencesPrimary standards, textbooks and complete citations
Standards, reading and academic references
Use the calculator as the worked interaction, then consult the primary standards and academic textbooks listed below. MW SysArc links to the original sources; the explanation on this page is original and does not reproduce them.
Algebra and Trigonometry 2e
Read the related free OpenStax mathematics chaptersCite this book
- APA 7
- Abramson, J. (2021). Algebra and trigonometry 2e. OpenStax. https://openstax.org/books/algebra-and-trigonometry-2e/pages/1-introduction-to-prerequisites
- MLA 9
- Abramson, Jay. Algebra and Trigonometry 2e. OpenStax, 2021, https://openstax.org/books/algebra-and-trigonometry-2e/pages/1-introduction-to-prerequisites.
- Chicago author-date
- Abramson, Jay. 2021. Algebra and Trigonometry 2e. Houston, TX: OpenStax. https://openstax.org/books/algebra-and-trigonometry-2e/pages/1-introduction-to-prerequisites.
OpenStax entries are free to read online. Follow the licence shown on each linked source before redistributing or adapting its content.
Reuse the page responsiblyCite this pageAPA, MLA, Chicago, Harvard, BibTeX and RIS
These formats cite this calculator page itself. They are separate from the academic references above, which support the mathematical method and terminology.
APA 7
MW SysArc. (2026, July 21). Rank–Nullity Dimension Calculator. MW SysArc Tools. https://math.mwsysarc.com/linear-algebra/rank-nullity-dimension-calculator
MLA 9
MW SysArc. “Rank–Nullity Dimension Calculator.” MW SysArc Tools, 21 July 2026, https://math.mwsysarc.com/linear-algebra/rank-nullity-dimension-calculator. Accessed 31 Aug. 2026.
Chicago 17
MW SysArc. “Rank–Nullity Dimension Calculator.” MW SysArc Tools. Published July 21, 2026. Accessed August 31, 2026. https://math.mwsysarc.com/linear-algebra/rank-nullity-dimension-calculator.
Harvard
MW SysArc (2026) ‘Rank–Nullity Dimension Calculator’, MW SysArc Tools. Published 21 July 2026. Available at: https://math.mwsysarc.com/linear-algebra/rank-nullity-dimension-calculator (Accessed: 31 August 2026).
BibTeX and RIS records
BibTeX
@misc{mwsysarc_rank_nullity_dimension_calculator_2026,
author = {{MW SysArc}},
title = {Rank–Nullity Dimension Calculator},
howpublished = {MW SysArc Tools},
year = {2026},
url = {https://math.mwsysarc.com/linear-algebra/rank-nullity-dimension-calculator},
note = {Published July 21, 2026; accessed August 31, 2026}
}RIS
TY - ELEC
AU - MW SysArc
TI - Rank–Nullity Dimension Calculator
T2 - MW SysArc Tools
PY - 2026
DA - 2026-07-21
Y2 - 2026-08-31
UR - https://math.mwsysarc.com/linear-algebra/rank-nullity-dimension-calculator
N1 - Published July 21, 2026
ER -Clear answers
Frequently asked questions
What does the Rank–Nullity Dimension do?
Calculate domain dimension from linear-map rank and nullity.
How does the Rank–Nullity Dimension work?
The calculator applies c=a+b. The rank–nullity theorem decomposes a finite-dimensional domain into image and kernel dimensions. This page evaluates the relationship directly.
What can I learn from the Rank–Nullity Dimension?
It connects the mathematical rule to your chosen numbers and shows each calculation step. Change one input at a time to see how the result responds.
Does MW SysArc receive or store what I enter?
No. The calculation runs locally in your browser. MW SysArc does not receive or store your calculation inputs.
How should I use the result?
Use the steps to understand the method, then verify important school or professional work using the notation and rounding rules required in your setting.
Last reviewed . Calculations tested .