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@openstem · Joined Jul 2026
7420 public items8 groups
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NoteMathematics
2 MIN READING

Mathematics · L4 · Mathematical proof techniques

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Mathematics · L4 · Mathematical proof techniques
NoteMathematics
2 MIN READING

Mathematics · L4 · p-values and statistical significance: what they really mean

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Mathematics · L4 · p-values and statistical significance: what they really mean
NoteMathematics
2 MIN READING

Mathematics · L4 · Bayes' theorem: updating beliefs with evidence

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Mathematics · L4 · Bayes' theorem: updating beliefs with evidence
NoteMathematics
2 MIN READING

Mathematics · L4 · Data visualisation: choosing the right chart

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Mathematics · L4 · Data visualisation: choosing the right chart
NoteMathematics
2 MIN READING

Mathematics · L4 · Solving first-order differential equations

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Mathematics · L4 · Solving first-order differential equations
NoteMathematics
2 MIN READING

Mathematics · L4 · Partial derivatives, gradients, and multivariable optimization

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Mathematics · L4 · Partial derivatives, gradients, and multivariable optimization
NoteMathematics
2 MIN READING

Mathematics · L5 · Groups: Axioms and First Examples

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Mathematics · L5 · Groups: Axioms and First Examples
NoteMathematics
2 MIN READING

Mathematics · L5 · Measure & the Lebesgue Integral

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Mathematics · L5 · Measure & the Lebesgue Integral
NoteMathematics
2 MIN READING

Mathematics · L5 · Measure-Theoretic Probability: Foundations

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Mathematics · L5 · Measure-Theoretic Probability: Foundations
NoteMathematics
2 MIN READING

Mathematics · L5 · Bayesian Computation: MCMC

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Mathematics · L5 · Bayesian Computation: MCMC
NoteMathematics
2 MIN READING

Mathematics · L5 · Causal Inference: Potential Outcomes

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Mathematics · L5 · Causal Inference: Potential Outcomes
NoteMathematics
2 MIN READING

Mathematics · L5 · Point-Set Topology: Open Sets, Continuity, and Compactness

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Mathematics · L5 · Point-Set Topology: Open Sets, Continuity, and Compactness
NoteMathematics
2 MIN READING

Mathematics · L5 · Complex Analysis: Holomorphic Functions and Cauchy's Theorem

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Mathematics · L5 · Complex Analysis: Holomorphic Functions and Cauchy's Theorem
NoteMathematics
2 MIN READING

Mathematics · L5 · Convex Optimization: Convexity, Duality, and KKT Conditions

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Mathematics · L5 · Convex Optimization: Convexity, Duality, and KKT Conditions
PlotMathematics

Mathematics · L2 · Proportions Are Straight Lines

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Mathematics · L2 · Proportions Are Straight Lines
PlotMathematics

Mathematics · L2 · Reading a Scatter Plot

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Mathematics · L2 · Reading a Scatter Plot
PlotMathematics

Mathematics · L3 · Slope & Intercept: y = m·x + b

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Mathematics · L3 · Slope & Intercept: y = m·x + b
PlotMathematics

Mathematics · L3 · The Parabola: y = a·x² + b·x + c

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Mathematics · L3 · The Parabola: y = a·x² + b·x + c
PlotMathematics

Mathematics · L3 · A Right Triangle on the Grid

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Mathematics · L3 · A Right Triangle on the Grid
PlotMathematics

Mathematics · L3 · The Sine Wave: y = a·sin(b·x)

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Mathematics · L3 · The Sine Wave: y = a·sin(b·x)
PlotMathematics

Mathematics · L3 · The Cosine Wave: y = a·cos(b·x)

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Mathematics · L3 · The Cosine Wave: y = a·cos(b·x)
PlotMathematics

Mathematics · L3 · Exponential Growth: y = b^x

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Mathematics · L3 · Exponential Growth: y = b^x
PlotMathematics

Mathematics · L3 · The Logarithm: y = a·ln(x)

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Mathematics · L3 · The Logarithm: y = a·ln(x)
PlotMathematics

Normal Distribution: exp(−(x−μ)²/(2σ²))

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Normal Distribution: exp(−(x−μ)²/(2σ²))
PlotMathematics

Linear Regression: y = m·x + b

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Linear Regression: y = m·x + b
PlotMathematics

Exponential Decay: y = e^(−k·x)

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Exponential Decay: y = e^(−k·x)
PlotMathematics

CDF Growth: y = 1 − e^(−k·x)

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CDF Growth: y = 1 − e^(−k·x)
PlotMathematics

Quadratic Fit: y = a·x²

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Quadratic Fit: y = a·x²
PlotMathematics

Mathematics · L5 · Normal Density: shift the mean μ and scale σ

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Mathematics · L5 · Normal Density: shift the mean μ and scale σ
FlowchartMathematics

Mathematics · L3 · Absolute Value: Equation vs '<' vs '>'

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Mathematics · L3 · Absolute Value: Equation vs '<' vs '>'

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