| 2026-09-13 | PyXIRR RATE can return an unfinished calculation as a result Evidence archive | GitHub | Canonical post | Not requested | Individual document |
| 2026-09-13 |
FinancePy vector pricing uses the last expiry for every option
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Pending — not created yet |
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| 2026-09-13 |
Parallel vectors produce nonzero cross products in Apple MLX
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Pending — service unavailable (504) |
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| 2026-09-13 |
Apple MLX: integer norms can become zero, negative, or NaN
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Pending — service unavailable (504) |
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| 2026-09-13 |
FinancePy mortgage payments fail at zero and very small rates
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| 2026-09-13 |
Apple MLX: small matrices lose finite log determinants
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| 2026-09-13 |
Finite ONNX Normalizer inputs overflow, underflow, or violate the output contract
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| 2026-09-13 |
MLX LayerNorm: an optional unit weight changes bias precision
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| 2026-09-12 |
Finite FP16 Inputs Become Zero in MLX GroupNorm
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| 2026-09-10 |
One FP16 Batch Corrupts MLX BatchNorm Running Variance
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| 2026-09-10 |
Finite Gradients Become Zero: MLX Gradient Clipping
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| 2026-09-10 |
Same Ratio, Wrong Derivative: MLX Division at Extreme Scales
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| 2026-09-10 |
Scale Changes the Gradient: MLX arctan2
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| 2026-09-10 |
Finite Values, Missing Derivatives: MLX arcsinh and arccosh
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| 2026-09-10 |
A Nonzero Derivative Becomes Zero: MLX expm1
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| 2026-09-10 |
Same Inputs, Wrong Weights: MLX logcumsumexp Gradients at Large Offsets
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| 2026-09-10 |
Missing Curvature: MLX logcumsumexp at a Zero Incoming Gradient
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| 2026-09-10 |
Zero Mask, Missing Gradient: MLX block_masked_mm
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| 2026-09-09 |
A Missing Transpose in MLX Quantized Gradients
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| 2026-09-09 |
Sorted Indices, Wrong Gradients: MLX Gather
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| 2026-09-09 |
Orthogonal Is Not Symmetric: MLX Hadamard Gradients
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| 2026-09-09 |
A Constant, a Polynomial, a NaN: MLX power Derivatives at Zero
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| 2026-09-09 |
An Unused Value Gets a Gradient: MLX Masked Assignment
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| 2026-09-09 |
A Missing Gradient in MLX Block Updates
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| 2026-09-09 |
When SAME Padding Makes Average-Pooling Backward Skip Windows
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| 2026-09-09 |
When Dropout Sends Two Gradients to One Input
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| 2026-09-09 |
Finite Loss, Wrong Gradient: Gaussian NLL in MLX
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| 2026-09-09 |
Same Gradients, Half the Step: MLX Muon and Convolution Shapes
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| 2026-09-09 |
A Real Loss, a Reversed Gradient: Complex Autodiff in MLX
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| 2026-09-09 |
A Smooth Polynomial, a NaN Hessian: MLX cumprod at Zero
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| 2026-09-09 |
ONNX ReferenceEvaluator turns infinite ReduceLogSumExp slices into NaN
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| 2026-09-09 |
ONNX ReferenceEvaluator misidentifies BatchNormalization opset-9 modes
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| 2026-09-09 |
ONNX ReferenceEvaluator gathers unsorted Unique slices from the wrong axis
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| 2026-09-09 |
ONNX ReferenceEvaluator rejects valid GatherElements subshapes
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| 2026-09-07 |
When Cosine and LayerNorm Break Their Contracts
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| 2026-09-07 |
Research acceleration needs an outcome-weighted evidence contract
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| 2026-09-07 |
A machine-checked proof still needs a statement contract
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| 2026-09-07 |
When Causal Attention Sees the Future
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| 2026-09-07 |
ONNX reference LpNormalization uses a signed sum for p=1
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| 2026-09-07 |
ONNX GroupNormalization reverses channel/group divisibility in its documentation
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| 2026-09-07 |
When Small Losses and Gradients Disappear
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| 2026-09-07 |
Finite Inputs, Non-finite Results: An Activation Stability Audit
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| 2026-09-06 |
ONNX reference LogSoftmax and cross-entropy return infinity for finite representable results
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| 2026-09-06 |
Dinero.js misallocates safe integers after an unsafe intermediate product
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| 2026-09-06 |
Dinero.js toDecimal accepts non-decimal bases and returns plausible wrong strings
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| 2026-09-06 |
Zero Observed False Positives Is Not a Zero False-Positive Rate
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| 2026-09-06 |
When the reference also fails: a reproducible ONNX numerical snapshot
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| 2026-09-06 |
ReduceMean Without an Axis Could Not Initialize
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| 2026-09-05 |
ONNX Runtime float16 QuantizeLinear truncates instead of rounding
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| 2026-09-05 |
MoneyPHP loses largest-remainder ordering above float precision
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| 2026-09-05 |
Apache Fineract nop does not invert pmt for non-zero rates
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| 2026-09-05 |
When Reciprocal Multiplication Changes the Answer: Two Swift Numerics Contract Tests
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| 2026-09-05 |
The Fast Path Put a Complex Number in the Wrong Quadrant: A Swift Numerics Sign Audit
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| 2026-09-05 |
How Numerical Contracts Break: Five Cases in Swift Numerics and nntrainer
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| 2026-09-04 |
MLX affine quantization: a documentation/runtime contract mismatch
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| 2026-09-04 |
What Simple Mathematical Invariants Reveal About AI Software
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| 2026-09-04 |
A KL-Divergence Backward Pass That Changes Its Own Target
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| 2026-09-04 |
Four Loss Layers, One Missing Scale: A Mixed-Precision Contract Failure
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| 2026-09-04 |
Fractional Projective-Gap Inequalities for Harmonic Gaussian Chaoses
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| 2026-09-03 |
A one-line contradiction in Swift Numerics' tie-to-zero documentation
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| 2026-09-03 |
An exact fifth root exposes a one-ULP accuracy gap in Swift Numerics
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| 2026-09-03 |
A scale-dependent zero point silently corrupts UINT8 affine quantization in nntrainer
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| 2026-09-02 |
Where Mathematics Meets AI Reliability: The Problems Frontier Labs Are Naming Themselves
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| 2026-09-02 |
AI Can Generate New Mathematics. Who Certifies the Proof?
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| 2026-09-02 |
The Most Important AI Feature Is Not an Answer. It Is a Boundary.
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| 2026-09-02 |
A Constant Left Open in 1973, and What It Took to Close It
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| 2026-09-02 |
A Retraction Log: Six Collatz Claims and What Killed Them
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| 2026-09-02 |
The 60-Pair Smoke Benchmark, With the Data and the Command
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| 2026-09-02 |
Hidden reasoning is an observability problem
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| 2026-09-02 |
Attribution graphs still need a semantic contract
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| 2026-09-02 |
Research mathematics needs proof assurance, not a single judge score
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| 2026-09-02 |
Monitoring reasoning is a stability problem
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| 2026-09-02 |
Research mathematics is a generator–verifier–reviser control loop
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| 2026-09-02 |
Self-correction is two problems, not one
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| 2026-09-02 |
A gold-level benchmark result is not a research reliability certificate
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