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Join experts in discussion on Set Theory, Logic, Probability, Statistics topics. Fundamentals in Set theory, logic and proofs. Probability and statistics also. Homework help is available.
Undergrad Intersection & union of closed and open sets?
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Undergrad Smoothness of Discrete Functions
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Undergrad Using Logical Equivalences to Simplify a Statement
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MHB 7 Students, 7 Exercises: Min Phone Calls Needed?
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Undergrad What is the error on averaging?
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Graduate Three lines two neurons and M×M receptors.
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High School Solve Combinations Puzzle: 5 Letters ABCDE
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High School A simple (?) combinatorics question....
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MHB Solving "Who Dunnit": Calculating Probability of Joshua McCoy's Involvement
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Graduate Why Can't the Continuum Hypothesis Be Decided Using Standard Real Number Models?
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High School Evaluating CDF of a Random Variable with Exponential Components
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Graduate Convolution Questions: Expectation Value & PDF Method
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Undergrad Calculating Many-to-Many Distances from GPS Coordinates
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Graduate Calculating GPS Uncertainty for a Bicycle Trip
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MHB Prove 1 - 1: Prove Functions are 1 - 1
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High School Card-drawing probability problem
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MHB Is Adding Even Numbers to Fractions Enough to Prove Countable Infinity?
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Undergrad Error while doing multi-linear regression with minitab.
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MHB Solve Pigeon Hole Theory Problems
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Undergrad What is the Probability of a Sample Having Access to Clean Drinking Water?
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Graduate Blue-Eye Paradox: Solution Not Unique
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MHB A question about 'properties of multivariate normal distributions'.
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MHB The problem {x ∣ Tx(x)=1} is undecidable
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Undergrad A new puzzle based on the "Blue-eye paradox"
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MHB What are the best algorithms for solving a TSP with 6 points?
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MHB Proving Undecidability: Reducing H_0 to H_epsilon
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MHB Proving Onto and 1-1 Properties of Function Compositions
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MHB G o F = {(1,3)(2,2)(3,2)(4,2)(5,5)(1,1)(2,3)(3,4)(4,5)(5,2)}
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MHB Inverse of F: {(1,2)(2,2)(3,2)(4,5)(5,3)}
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MHB Proving Regularity of $L^R$ Using DFA Construction
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High School Finding CDF of Gamma_m: Solve Using Functions
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Undergrad Effect of a Moving Average on Gaussian Noise
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Undergrad Pca and eigenvalue interpretation
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Graduate How Do Correlations Between Uncertainties Affect Analyses?
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MHB Designing a Non-deterministic 2-Tape Turing Machine for a Specific Language
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MHB Binary Relations and Equivalence Classes | Proving R is an Equivalence Relation
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High School Spy Extravaganza-Probability/Logic riddle
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MHB Find DFA Equiv: States, Transitions & Function
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Undergrad Yet another Bayesian probability question
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Undergrad I'm having trouble seeing the big picture of this proof.
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Undergrad Why Do Certain Large Cardinals Have Specific Properties?
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MHB What is the General Form of the Language Recognized by the Given Automaton?
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MHB Ice Cream : NP-complete problem
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MHB Finding a Minimal Vertex Cover & Max Sets for a Graph
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Undergrad Hessian of least squares estimate behaving strangely
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Determining the right komi in the game of go (for 19x19 board)
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High School To show of 5[SUP]√2 [SUP] >7, logically.
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High School Unbounded Logical Trees: Constructing Natural Numbers with Logical Trees
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Undergrad A confusion about axioms and models
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Graduate A strategy better than blind chance
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MHB What is k-Equivalence in Computability Theory?
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MHB Is HSC NP-Complete in Graph Theory?
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Graduate Statistical uncertainties of sub-backgrounds
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MHB Non-deterministic 2-tape Turing Machine
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High School Is the Mean Using the CDF Calculation Correct?
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MHB Show that the languages are undecidable
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MHB What Do $\phi$ and $\phi'$ Mean in Regular Grammars?
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MHB Optimal TSP-Tour in Grid-City: Let's Find Out
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MHB Proving a Set Theory Statement Regarding Families of Sets
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MHB Venn diagram and table word problem Help
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MHB Equivalence of NFAs with/without $\epsilon$-Moves
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Serial correlation coefficient (random data)
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MHB Chi-Square Test: Solving Doubt w/ Kepler
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High School Is 2ab Always Less Than or Equal to a² + b² for All Integers a and b?
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MHB Logic: Reductio Ad Absurdem Assumption
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Graduate Cauchy convolution with other distribution
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MHB NFA Hello! (Wave) - Computation Theory Explanation
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MHB What Language Does This DFA Recognize?
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Undergrad What distribution to use for a 'lavatorial' problem?
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Undergrad How to measure the 'agreement' between two assays?
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Undergrad Can I get thresholds from logistic regression coefficients?
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Undergrad Propagating Error in both numerator and denominator of ratio
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Graduate Sum of random variables, given sum of observed variables
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MHB How Can I Show That the Symmetric Difference of Sets is Associative?
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Undergrad Maximizing Targeted Reach in Advertising Campaigns: A Statistical Approach
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Graduate Frequency analysis of signal with unknown period
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Radioactive decay, relation between binomial to expon. dist
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Undergrad Is This Set Theory Notation Correct for Describing Local Maxima?
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Undergrad Skewness and recomputing the average
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Undergrad Identify Factorial: Is It Possible?
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Undergrad Temporal Database and its Relational Algebra
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High School How many possible relations between two sets?
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Graduate Conditional expectation and covariance of function of RVs
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Graduate Linear Regression with Non Linear Basis Functions
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MHB Proving p<=>~p: Two Contradictory and Identical Proofs Explained
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Undergrad Question about the gaps between prime numbers
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Graduate Mean volume of sphere (normal distributed radius)
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Graduate Qualitative meaning of central moments higher than 4th order
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Graduate Chi squared test for data with error
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Undergrad Probability of getting 3 heads or more in 20 coin flips
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Undergrad Using prior knowledge to recover signal
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Graduate Integrate data plot, combine errors including correlation
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Undergrad How to compare two data sets with multiple samples
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Graduate Approximation for volatility of random variable
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Explaining Probabilities in a deterministic world
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High School P → q with NOR operator and Constant F (false)
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Undergrad If Ramsey cardinals exist, all powers using Def are countable?
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Graduate Help understanding ARIMA Model and ACF
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MHB Proving No Set Contains All Sets Without Russell's Paradox
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MHB Proving A∪B=A∩B iff A=B with Boolean Algebra
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