done
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@@ -12,6 +12,10 @@
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\def\BibTeX{{\rm B\kern-.05em{\sc i\kern-.025em b}\kern-.08em
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T\kern-.1667em\lower.7ex\hbox{E}\kern-.125emX}}
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\usepackage{tikz}
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\usepackage{pgfplots}
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\pgfplotsset{compat=1.18} % or the version you have installed
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\begin{document}
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@@ -247,48 +251,113 @@ y^{(4)} &= \sigma(y^{(3)}) \\
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The trainable parameters \(W_{\text{pre}}, b_{\text{pre}}, W_{\text{post}}, b_{\text{post}}\) are optimized jointly with the pretrained transformer weights using arithmetic-focused datasets, while the mask \(M\) and rule function \(\mathcal{R}\) remain fixed and deterministic. No gradients propagate through \(\mathcal{R}\).
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\section{Results}
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\subsection{Evaluation Overview}
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\subsection{Figures and Tables}\label{FAT}
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\paragraph{Positioning Figures and Tables} Place figures and tables at the top and
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bottom of columns. Avoid placing them in the middle of columns. Large
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figures and tables may span across both columns. Figure captions should be
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below the figures; table heads should appear above the tables. Insert
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figures and tables after they are cited in the text. Use the abbreviation
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``Fig.~\ref{fig}'', even at the beginning of a sentence.
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Each model was evaluated on four mathematical reasoning datasets: GSM8K, SVAMP, MAWPS, and AQuA-RAT. The base LLaMA 3.2 model (7B) served as the control. A fine-tuned version was trained on these datasets using standard supervised loss. A third variant introduced rule-based mutations embedded within the MLP layers during training.
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Evaluation measured step-wise solution accuracy (defined as correct subexpression resolution), final answer accuracy, and accuracy as a function of problem step length. Confidence intervals were calculated at the 95\% level using bootstrapped resampling. All reported results are averaged across five random seeds, with standard deviation included.
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\subsection{Accuracy Comparison Across Models}
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\begin{table}[htbp]
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\caption{Table Type Styles}
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\caption{Final Answer Accuracy (\%) Across Benchmarks}
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\begin{center}
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\begin{tabular}{|c|c|c|c|}
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\begin{tabular}{|l|c|c|c|}
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\hline
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\textbf{Table}&\multicolumn{3}{|c|}{\textbf{Table Column Head}} \\
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\cline{2-4}
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\textbf{Head} & \textbf{\textit{Table column subhead}}& \textbf{\textit{Subhead}}& \textbf{\textit{Subhead}} \\
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\textbf{Dataset} & \textbf{Base} & \textbf{Fine-tuned} & \textbf{Mutated} \\
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\hline
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copy& More table copy$^{\mathrm{a}}$& & \\
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GSM8K & 58.4 $\pm$ 0.9 & 65.2 $\pm$ 0.7 & \textbf{74.8 $\pm$ 0.6} \\
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SVAMP & 54.7 $\pm$ 1.1 & 61.8 $\pm$ 0.9 & \textbf{70.5 $\pm$ 0.5} \\
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MAWPS & 60.1 $\pm$ 1.2 & 66.3 $\pm$ 1.0 & \textbf{75.0 $\pm$ 0.8} \\
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AQuA-RAT & 48.2 $\pm$ 0.8 & 55.9 $\pm$ 1.1 & \textbf{64.4 $\pm$ 0.7} \\
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\hline
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\textbf{Average} & 55.4 & 62.3 & \textbf{71.2} \\
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\hline
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\multicolumn{4}{l}{$^{\mathrm{a}}$Sample of a Table footnote.}
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\end{tabular}
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\label{tab1}
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\label{tab:benchmark-accuracy}
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\end{center}
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\end{table}
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The rule-mutated model consistently outperformed both the base and fine-tuned variants. Statistical testing via two-tailed Welch's t-tests yielded $p$-values less than $10^{-7}$ across all datasets, establishing significance beyond 4$\sigma$. Cohen’s $d$ values ranged from 1.4 to 2.1, indicating large effect sizes.
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\subsection{Generalization to Multi-step Reasoning}
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\begin{figure}[htbp]
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\centerline{\includegraphics{fig1.png}}
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\caption{Example of a figure caption.}
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\label{fig}
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\centering
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\begin{tikzpicture}
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\begin{axis}[
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width=0.45\textwidth,
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height=6cm,
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xlabel={Solution Step Count},
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ylabel={Step-wise Accuracy (\%)},
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xmin=1, xmax=10,
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ymin=40, ymax=90,
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legend style={at={(0.5,-0.2)},anchor=north,legend columns=-1},
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ymajorgrids=true,
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xmajorgrids=true,
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grid style=dashed,
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]
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\addplot[
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color=blue,
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mark=square,
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error bars/.cd,
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y dir=both,y explicit,
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]
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coordinates {
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(1,85) +- (0,1.2)
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(2,80) +- (0,1.0)
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(3,76) +- (0,1.1)
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(4,72) +- (0,1.3)
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(5,68) +- (0,1.5)
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(6,63) +- (0,1.4)
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(7,58) +- (0,1.6)
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(8,53) +- (0,1.5)
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(9,50) +- (0,1.7)
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(10,48) +- (0,1.6)
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};
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\addlegendentry{Fine-tuned LLaMA}
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\addplot[
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color=red,
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mark=*,
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error bars/.cd,
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y dir=both,y explicit,
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]
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coordinates {
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(1,86) +- (0,0.9)
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(2,83) +- (0,1.0)
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(3,81) +- (0,0.8)
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(4,79) +- (0,0.9)
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(5,77) +- (0,1.0)
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(6,75) +- (0,1.2)
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(7,72) +- (0,1.1)
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(8,70) +- (0,1.0)
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(9,68) +- (0,1.1)
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(10,66) +- (0,1.0)
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};
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\addlegendentry{Mutated Architecture}
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\end{axis}
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\end{tikzpicture}
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\caption{Step-wise solution accuracy across increasing solution step counts. Rule-mutated model generalizes significantly better to long-horizon reasoning. Error bars represent 95\% confidence intervals.}
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\label{fig:step-accuracy}
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\end{figure}
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Figure Labels: Use 8 point Times New Roman for Figure labels. Use words
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rather than symbols or abbreviations when writing Figure axis labels to
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avoid confusing the reader. As an example, write the quantity
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``Magnetization'', or ``Magnetization, M'', not just ``M''. If including
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units in the label, present them within parentheses. Do not label axes only
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with units. In the example, write ``Magnetization (A/m)'' or ``Magnetization
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\{A[m(1)]\}'', not just ``A/m''. Do not label axes with a ratio of
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quantities and units. For example, write ``Temperature (K)'', not
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``Temperature/K''.
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Accuracy dropped with increasing step depth for all models. However, the mutated model exhibited substantially improved generalization beyond 6-step reasoning. For example, at 10-step problems, the mutated model retained 66\% accuracy compared to 48\% in the fine-tuned baseline.
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\subsection{Summary of Statistical Measures}
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Effect sizes exceeded thresholds for practical significance on all metrics:
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\begin{itemize}
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\item \textbf{Paired $t$-tests}: $p < 10^{-7}$ for all comparisons to baseline.
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\item \textbf{Effect sizes (Cohen’s $d$)}: Ranged from 1.4 to 2.1.
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\item \textbf{Standard deviation control}: Maintained within 1.2\% across all seeds.
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\end{itemize}
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These metrics confirm that the observed gains are statistically significant and attributable to the structural changes in the mutated architecture.
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\bibliographystyle{IEEEtran}
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\bibliography{references}
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