opencompletion.com/research/activity24-math-plot.yaml
Russell Ballestrini 1ca6f67c3d Fix code quality issues from PR review
- Add matplotlib.use("Agg") backend configuration to prevent runtime errors in headless environments
- Add error handling guards for script results that might return None
- Fix AI targeting logic to exclude already-fired cells in super hunter and hunter modes
- Update CLAUDE.md with matplotlib best practices
2025-08-10 16:01:58 -04:00

297 lines
12 KiB
YAML

default_max_attempts_per_step: 3
# Common processing script for all plotting steps
common_processing_script: &plotting_script |
import matplotlib
matplotlib.use("Agg")
import matplotlib.pyplot
import numpy
import io
import base64
import re
import sympy as sp
# Get the user's function input from metadata
user_function = metadata.get("user_function", "x")
original_function = user_function
try:
# Support multiple functions separated by semicolon or comma
function_list = re.split(r'[;,]', user_function)
function_list = [f.strip() for f in function_list if f.strip()]
# Colors for multiple functions
colors = ['blue', 'red', 'green', 'orange', 'purple', 'brown', 'pink', 'gray']
matplotlib.pyplot.figure(figsize=(10, 6))
all_y_values = []
function_info = []
for i, func_str in enumerate(function_list):
# Preprocess each function
processed_func = func_str.replace('^', '**')
processed_func = re.sub(r'(?<=\d)(?=[a-zA-Z])', '*', processed_func)
processed_func = re.sub(r'(?<=[a-zA-Z])(?=\d)', '*', processed_func)
# Enhanced function preprocessing
enhanced_replacements = {
'arctan': 'atan',
'arcsin': 'asin',
'arccos': 'acos',
'log': 'ln',
'ln': 'log', # Allow both ln and log
'abs': 'Abs'
}
parsed_function = processed_func
for old, new in enhanced_replacements.items():
parsed_function = re.sub(r'\b' + old + r'\b', new, parsed_function)
# Create sympy symbol and parse expression
x_sym = sp.Symbol('x')
expr = sp.sympify(parsed_function, locals={'x': x_sym})
# Analyze function characteristics for dynamic range (inline)
func_type = "other"
if expr.has(sp.sin) or expr.has(sp.cos) or expr.has(sp.tan):
func_type = "trigonometric"
elif expr.has(sp.exp):
func_type = "exponential"
elif expr.has(sp.log):
func_type = "logarithmic"
elif expr.is_polynomial(x_sym):
degree = sp.degree(expr, x_sym)
if degree == 1:
func_type = "linear"
elif degree == 2:
func_type = "quadratic"
elif degree == 3:
func_type = "cubic"
elif expr.has(sp.sqrt):
func_type = "radical"
elif expr.has(1/x_sym):
func_type = "rational"
# Determine optimal range inline
if func_type == "trigonometric":
x_range = (-2*numpy.pi, 2*numpy.pi)
elif func_type == "exponential":
x_range = (-3, 3)
elif func_type == "logarithmic":
x_range = (0.1, 10)
elif func_type in ["linear", "quadratic", "cubic"]:
x_range = (-10, 10)
elif func_type == "rational":
x_range = (-10, 10)
else:
x_range = (-5, 5)
# Prepare x values with dynamic range
x_vals = numpy.linspace(x_range[0], x_range[1], 400)
# Convert to numpy function and evaluate
func = sp.lambdify(x_sym, expr, 'numpy')
y = func(x_vals)
# Handle complex results
if numpy.iscomplexobj(y):
y = numpy.real(y)
# Filter out infinite/NaN values for better plotting
valid_mask = numpy.isfinite(y)
x_vals_clean = x_vals[valid_mask]
y_clean = y[valid_mask]
if len(y_clean) > 0:
all_y_values.extend(y_clean)
color = colors[i % len(colors)]
matplotlib.pyplot.plot(x_vals_clean, y_clean,
label=f'y = {func_str}',
color=color, linewidth=2)
# Store function analysis info
function_info.append({
'function': func_str,
'type': func_type,
'range': x_range
})
# Dynamic y-axis limits based on all functions
if all_y_values:
y_min, y_max = numpy.percentile(all_y_values, [5, 95])
y_range = y_max - y_min
matplotlib.pyplot.ylim(y_min - 0.1*y_range, y_max + 0.1*y_range)
# Enhanced plot styling
matplotlib.pyplot.title(f'Plot of: {original_function}', fontsize=14, fontweight='bold')
matplotlib.pyplot.xlabel('x', fontsize=12)
matplotlib.pyplot.ylabel('y', fontsize=12)
matplotlib.pyplot.grid(True, alpha=0.3)
matplotlib.pyplot.legend(fontsize=10)
# Generate function analysis inline
analysis_parts = []
for info in function_info:
func_type = info['type']
if func_type == "quadratic":
analysis_parts.append(f"'{info['function']}' is a parabola (quadratic function)")
elif func_type == "linear":
analysis_parts.append(f"'{info['function']}' is a straight line (linear function)")
elif func_type == "trigonometric":
analysis_parts.append(f"'{info['function']}' shows periodic behavior (trigonometric)")
elif func_type == "exponential":
analysis_parts.append(f"'{info['function']}' shows exponential growth/decay")
elif func_type == "logarithmic":
analysis_parts.append(f"'{info['function']}' is a logarithmic curve")
else:
analysis_parts.append(f"'{info['function']}' is a {func_type} function")
analysis_text = "; ".join(analysis_parts)
buf = io.BytesIO()
matplotlib.pyplot.tight_layout()
matplotlib.pyplot.savefig(buf, format='png', dpi=100, bbox_inches='tight')
matplotlib.pyplot.close()
buf.seek(0)
plot_image = base64.b64encode(buf.getvalue()).decode('utf-8')
script_result = {
"plot_image": plot_image,
"function_analysis": analysis_text,
"function_info": function_info
}
except Exception as e:
# Handle errors gracefully with error message plot
matplotlib.pyplot.figure()
matplotlib.pyplot.text(0.5, 0.5, f'Error: Invalid function\n"{original_function}"\n\n{str(e)[:100]}...',
horizontalalignment='center', verticalalignment='center',
transform=matplotlib.pyplot.gca().transAxes, fontsize=12,
bbox=dict(boxstyle="round,pad=0.3", facecolor="lightcoral"))
matplotlib.pyplot.title('Function Error')
matplotlib.pyplot.axis('off')
buf = io.BytesIO()
matplotlib.pyplot.savefig(buf, format='png')
matplotlib.pyplot.close()
buf.seek(0)
plot_image = base64.b64encode(buf.getvalue()).decode('utf-8')
script_result = {"plot_image": plot_image, "error": str(e)}
sections:
- section_id: "section_1"
title: "Math Plotter: Visualizing Functions"
steps:
- step_id: "step_1"
title: "Introduction to Plotting"
content_blocks:
- "Welcome to the Math Plotter activity! 📈"
- "In this activity, you'll learn how to plot mathematical functions and visualize them."
question: "Are you ready to start plotting? Type 'yes' to begin."
tokens_for_ai: |
Determine if the user's response is 'yes' to proceed.
If the user wants to change the language, categorize as 'set_language'.
buckets:
- proceed
- set_language
transitions:
proceed:
next_section_and_step: "section_1:step_2"
set_language:
content_blocks:
- "Language preference updated. Please continue in your preferred language."
metadata_add:
language: "the-users-response"
counts_as_attempt: false
next_section_and_step: "section_1:step_1"
- step_id: "step_2"
title: "First Plot - Linear Function"
content_blocks:
- "Let's start by plotting a specific linear function! 📏"
- "We'll plot: y = 2*x + 1"
question: "Ready to plot y = 2*x + 1? Type 'yes' to see the graph."
tokens_for_ai: |
Check if the user entered a valid linear function. Accept any linear function like 'mx + b' format.
Don't require analysis at this step - just check if it's a valid function.
If the user wants to change the language, categorize as 'set_language'.
processing_script: *plotting_script
buckets:
- proceed
- set_language
transitions:
proceed:
run_processing_script: True
ai_feedback:
tokens_for_ai: "Perfect! Here's the linear function y = 2*x + 1 plotted for you. Now you can explore plotting any functions you want!"
metadata_add:
user_function: "2*x + 1"
next_section_and_step: "section_1:step_3"
set_language:
content_blocks:
- "Language preference updated. Please continue in your preferred language."
metadata_add:
language: "the-users-response"
counts_as_attempt: false
next_section_and_step: "section_1:step_2"
- step_id: "step_3"
title: "Free Exploration - Plot Anything!"
content_blocks:
- "🎨 Time to explore! You can plot any function(s) you want."
- "Try single functions: x**2, sin(x), exp(x), log(x), sqrt(x)"
- "Try multiple functions: sin(x), cos(x) or x**2, 2*x + 1"
- "Mix different types: sin(x), x**2, exp(-x)"
- "Type 'done' when you're ready to finish."
question: "Enter any function(s) to plot (or 'done' to complete):"
tokens_for_ai: |
This is a free exploration step. Accept any valid mathematical function(s).
If user says 'done', 'finished', 'complete', etc., categorize as 'done'.
If the user wants to change the language, categorize as 'set_language'.
Otherwise, if it looks like a valid function, categorize as 'valid_function'.
processing_script: *plotting_script
buckets:
- valid_function
- done
- invalid_function
- set_language
transitions:
valid_function:
run_processing_script: True
ai_feedback:
tokens_for_ai: "Great exploration! Here's your plot. Try another function or type 'done' to finish."
metadata_add:
user_function: "the-users-response"
exploration_count: "n+1"
counts_as_attempt: false
next_section_and_step: "section_1:step_3"
done:
ai_feedback:
tokens_for_ai: "Excellent exploration! You've completed the math plotting activity."
metadata_add:
score: "n+1"
next_section_and_step: "section_2:step_1"
invalid_function:
ai_feedback:
tokens_for_ai: "That doesn't look like a valid function. Try mathematical expressions like 'x**2' or 'sin(x)'."
counts_as_attempt: false
next_section_and_step: "section_1:step_3"
set_language:
content_blocks:
- "Language preference updated. Please continue in your preferred language."
metadata_add:
language: "the-users-response"
counts_as_attempt: false
next_section_and_step: "section_1:step_3"
- section_id: "section_2"
title: "Plotting Complete"
steps:
- step_id: "step_1"
title: "Completion"
content_blocks:
- "Congratulations! You've completed the math plotter activity."
- "You've learned how to plot and visualize different types of functions."