AI Solver by AskSia

Matrix Equation Solver: AX = B, solved cleanly

Type or photograph the matrix equation AX = B, XA = B, or AXB = C. AskSia identifies the structure, applies the inverse or pseudoinverse, and gives the solution X with verification.

Works with word problems, equations, code, and science prompts.
∫ 3x² · sin(x) dx
SubjectsCalculusAlgebraPhysicsChemistryBiologyCSStatisticsEcon
4.9 / 5 · trusted by 2M+ students · 50M+ problems solved
Quick Answer

How do you solve a matrix equation?

A matrix equation involves an unknown matrix X. The simplest form is AX = B, solved by X = A inverse times B if A is invertible. For XA = B, the solution is X = B times A inverse (note the order matters; matrices do not commute in general). For AXB = C, the solution is X = A inverse times C times B inverse when A and B are invertible. When the coefficient matrix is not square or is singular, the pseudoinverse gives the least-squares solution.

98%
solution accuracy
50M+
problems solved
~1.5s
avg solve time
A+
study-ready explanations
Why AskSia Solver

Why students use AskSia for Matrix Equation.

Every step transparent, every answer self-checked.

Structure identification.

AX = B, XA = B, or AXB = C, each with different inverse placement.

Setup

Invertibility check.

AskSia computes determinant first to see if the coefficient matrix is invertible.

Careful

Inverse multiplication.

Multiply by the inverse on the correct side (left or right) of B.

Solve

Verification.

AskSia substitutes X back into the original equation and confirms.

Verified

Photo, paste, or type.

Snap handwritten or printed problems with your phone, paste from any online homework portal, or type with full LaTeX support.

Multi-modal input

Verified by AskSia.

Every answer gets a self-check pass. Sia catches sign errors and algebra mistakes before you submit your homework.

Self-checked
How It Works

Solve any Matrix Equation problem in three steps.

Step 01

Enter the problem.

Type the expression, paste from your homework, snap a photo, or speak it. AskSia parses your input and identifies the structure.

Input mode
Snap a Photo
Textbook, handwriting, screenshot
Paste Text
Word problem or equation
Calculator
LaTeX-ready equation editor
Step 02

AskSia picks the method.

Based on the problem structure, AskSia chooses the cleanest solution path and labels each step with the operation performed.

Calculus · Step 4 of 4
1.4s
1
Set curves equal
x² = 2x → x = 0, x = 2
2
Set up the integral
A = ∫₀² (2x - x²) dx
3
Evaluate
A = [x² - x³/3]₀² = 4/3
Step 03

Read the verified answer.

Final result appears with a substitution or composition check. Practice problems on the same concept are one tap away.

Auto-generated diagram
Region between y = 2x and y = x² — area = 4/3
Available On

Solve anywhere
you study.

Every solve syncs across Web, iOS, and Android — start it at your desk, finish on your phone.

Web App

Full study studio

Split-panel interface with the worked solution on the left, the auto-generated diagram and AI tutor chat on the right.

Drag & drop image upload + LaTeX equation editor
Auto-generated diagrams render alongside steps
Side-panel AI tutor chat for hints and alt methods
Export to PDF, DOCX, Notion, or Google Docs
app.asksia.ai/solver
Hi! What are we studying today?
Ask about your homework, lecture, or readings...
Calculus
98% verified
1.4s
Step 4 of 4 · Evaluate
A = [x² - x³/3]₀² = 4/3
Mobile App

Snap & solve, anywhere

Open the camera, frame the problem, and the worked solution plus diagram appear in seconds.

One-tap snap-and-solve on iOS and Android
Pinch-to-zoom diagrams, swipe between steps
Auto-sync solves with your Web library
Offline review of saved solutions and flashcards
AskSia
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What can I do for you?
Homework solver
Live transcribe
File summary
Snap
YouTube
Flashcard
Calc
98%
1.4s
Area between y=2x & y=x²
A = 4/3 sq. units ✓
Use Cases

What the Matrix Equation solver covers.

📐

AX = B with A invertible.

Standard form. X equals A inverse times B.

Standard
⚛️

XA = B with A invertible.

Right-side equation. X equals B times A inverse.

Right-side
🧪

AXB = C with both invertible.

X equals A inverse times C times B inverse.

Two-sided
🧬

Least squares (overdetermined).

When A is tall, use pseudoinverse for least squares.

Least squares
💻

Decoupled systems.

Eigendecomposition reduces matrix equations to scalar equations on eigenvalues.

Advanced
🎯

Verify your homework.

Paste your candidate answer and the original problem. AskSia walks the work, flags any divergent step, and tells you the correct final value.

Answer check
Compare

AskSia vs. ChatGPT,
Photomath & Symbolab.

General chatbots hallucinate. Photo solvers stop at math. AskSia is built for actual coursework with verified accuracy, visual learning, and every subject.

Feature comparison between AskSia Solver and alternatives
FeatureAskSia SolverChatGPTPhoto Solvers
Solution accuracy✓ 98%~70-85%, hallucinations~90%, math only
Auto-generated diagrams✓ Every solveInconsistent / brokenGraphs only, math-only
Step-by-step explanations✓ Numbered + plain EnglishInconsistent depth✓ Math steps
Subject coverage✓ Math, Physics, Chem, Bio, CS, Econ✓ Wide but unverifiedMath only
Photo input✓ Handwriting + diagrams + codePhotos OK, weak on handwriting✓ Math photos only
Answer verification✓ Self-checked before displayNo verificationMath engine only
Tutor follow-ups✓ Hints, alt methods, ELI5✓ General chatNot available
Practice and flashcards✓ One-tap from any solveManual promptingNot available
Code debugging✓ Python, Java, C++, SQL...✓ YesNot available
Free to start✓ Daily solves, no cardLimited model accessSteps locked behind paywall
FAQ

Frequently asked questions.

Why does the side of multiplication matter?
Because matrix multiplication is not commutative: AB does not generally equal BA. So when you want to solve AX = B by canceling A, you must multiply by A inverse on the same side (the left), giving X equals A inverse times B. If you multiplied on the right, you would get a more complex expression. AskSia tracks the sidedness carefully.
What if the coefficient matrix is not invertible?
Then the matrix equation may have no solution, infinitely many, or a unique least-squares solution. AskSia checks the determinant (zero means singular) and proceeds accordingly. For singular A and an inconsistent B, no solution exists. For singular A and consistent B, infinitely many solutions exist, and AskSia parametrizes them.
How do you verify the solution?
Substitute the computed X back into the original equation and check that the equation holds. For AX = B, compute A times X and verify it equals B by comparing entries. AskSia does this verification automatically and reports any discrepancies that would indicate arithmetic errors.
Can AskSia handle complex matrix equations?
Yes. AskSia accepts complex-valued matrices and handles all the same operations (inverse, multiplication, etc.) with complex arithmetic. The verification check still works. For complex matrices, AskSia displays entries in standard form by default and computes magnitudes when needed.
How accurate is AskSia?
AskSia is engineered for accuracy on standard high school and college coursework. Accuracy comes from subject-specialized models, a symbolic verification pass that catches arithmetic errors, and a self-check step that re-derives the answer before showing it to you.
Can I get practice problems and flashcards?
Yes. After any solve, ask Sia to generate similar practice problems at SAT, ACT, AP, IB, or college difficulty, or build a flashcard set on the underlying concept in one tap. Useful for exam prep and spaced repetition before a quiz, midterm, or final.
How much does AskSia cost?
AskSia has a free plan that includes daily solves across all subjects. AskSia Pro and Super include unlimited solves, advanced subjects, the full AI tutor companion, exports, and priority response speed. See pricing for details.
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Identify, invert, multiply, verify.

Join 2M+ students using AskSia to solve matrix equation problems step-by-step. Photo input, plain-English explanations, and a verification check on every solve.

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