Logarithm function

GPTKB entity

Statements (50)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
gptkbp:application gptkb:Physics
gptkb:signal_processing
gptkb:Probability_theory
gptkb:Acoustics
Chemistry
Engineering
Finance
Information theory
Computer science
Statistics
Complexity analysis
pH calculation
gptkbp:basisFor b
gptkbp:codomain All real numbers
gptkbp:commonIn 2
10
e
gptkbp:continuity Yes
gptkbp:designer gptkb:Exponential_function
gptkbp:differentiable Yes
gptkbp:domain x > 0
gptkbp:field gptkb:Mathematics
gptkb:algebra
Analysis
https://www.w3.org/2000/01/rdf-schema#label Logarithm function
gptkbp:integration x*ln(x) - x + C
gptkbp:inventedBy gptkb:John_Napier
Joost Bürgi
gptkbp:monotonic Increasing
gptkbp:notableDerivative 1/x
gptkbp:notation ln(x)
log(x)
log_b(x)
gptkbp:property log_b(1) = 0
log_b(b) = 1
log_b(x) = ln(x)/ln(b)
log_b(x/y) = log_b(x) - log_b(y)
log_b(x^k) = k*log_b(x)
log_b(xy) = log_b(x) + log_b(y)
gptkbp:usedIn gptkb:Decibel
gptkb:Richter_scale
Fourier analysis
Entropy
Fractals
Algorithm analysis
Growth models
Logarithmic scale
gptkbp:bfsParent gptkb:Entire_Functions
gptkbp:bfsLayer 7