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wavemetrics inc marquardt-levenberg algorithm
Marquardt Levenberg Algorithm, supplied by wavemetrics inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/curve-fitting+algorithm/levenberg+marquardt+nonlinear+least+squares+curve+fitting+algorithm/pmc02652135-47-8-15
Average 90 stars, based on 1 article reviews
marquardt-levenberg algorithm - by Bioz Stars, 2026-11
90/100 stars

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Article Title: Functional and pharmacological induced structural changes of the cystic fibrosis transmembrane conductance regulator in the membrane solved using SAXS
Article Snippet: The data fitting procedure utilised the non-linear, least-squares Levenberg–Marquardt fitting (NLSF) algorithm to minimise χ2 (IgorPro, Wavemetrics, Lake Oswego, OR, USA):. χ 2 = ∑ j I ( q ) - I ^ ( q ) 2 σ ( q j ) 6 where Î ( q j ) is a fitted value (model value) for q j , I ( q j ) is the measured data value for the j th point, and σ ( q j ) is an estimate of the standard deviation for I ( q j ).

Article Title: Repetitive activity slows axonal conduction velocity and concomitantly increases mechanical activation threshold in single axons of the rat cranial dura
Article Snippet: For curve fitting, the Levenberg–Marquardt algorithm for iterative fitting in Igor Pro (Wavemetrics, Lake Oswego, USA) was used.

Article Title: Affinity and activity of non-native quinones at the Q B site of bacterial photosynthetic reaction centers
Article Snippet: The K d is determined from the dependence of ΔA 430 on the added quinone, [Q T ], using the Levenberg-Marquardt fitting program in IGOR Pro (WaveMetrics): [ R C • Q ] = 1 2 { ( 1 + [ Q T ] + K d [ R C T ] ) - ( 1 + [ Q T ] + K d [ R C T ] ) 2 - 4 [ Q T ] [ R C T ] } (3)

Article Title: Differential Dopaminergic Modulation of Neostriatal Synaptic Connections of Striatopallidal Axon Collaterals
Article Snippet: The Levenberg–Marquardt nonlinear least-squares curve-fitting algorithm ( Marquardt, 1963 ) implemented in IgorPro (WaveMetrics) was used to determine the free parameters p, q* , SD intra , and n . Pairs in which convergent fit could not be obtained were omitted; otherwise, we did not attempt to quantify the statistical goodness of the fits attributable to the limited size of the data sets ( Ninio, 2007 ).

Article Title: Heat pulse excitability of vestibular hair cells and afferent neurons
Article Snippet: Current and voltage signals were filtered at 10 kHz (Axon Instruments) and sampled at 20 kHz with the amplifier gain adjusted to span the 16-bit range of the analog-to-digital converter (HEKA ITC-18).

Article Title: Linking Surface Potential and Deprotonation in Nanoporous Silica: Second Harmonic Generation and Acid/Base Titration
Article Snippet: The adsorption of ions at the oxide/water interface is important for a variety of technological and environmental applications.. Understanding ion adsorption is complicated, even for smooth planar surfaces, because it is the result of both chemical and electrostatic effects.. Adsorption on rough or porous phases further requires description of the influence of pore geometry.

Article Title: Sugar binding of sodium–glucose cotransporters analyzed by voltage-clamp fluorometry
Article Snippet: The Levenberg–Marquardt algorithm implemented in Igor Pro (WaveMetrics, Inc) was used to compute initial estimates for the curve fitting.

Software:

Article Title: Functional and pharmacological induced structural changes of the cystic fibrosis transmembrane conductance regulator in the membrane solved using SAXS
Article Snippet: The data fitting procedure utilised the non-linear, least-squares Levenberg–Marquardt fitting (NLSF) algorithm to minimise χ2 (IgorPro, Wavemetrics, Lake Oswego, OR, USA):. χ 2 = ∑ j I ( q ) - I ^ ( q ) 2 σ ( q j ) 6 where Î ( q j ) is a fitted value (model value) for q j , I ( q j ) is the measured data value for the j th point, and σ ( q j ) is an estimate of the standard deviation for I ( q j ).

Article Title: Repetitive activity slows axonal conduction velocity and concomitantly increases mechanical activation threshold in single axons of the rat cranial dura
Article Snippet: For curve fitting, the Levenberg–Marquardt algorithm for iterative fitting in Igor Pro (Wavemetrics, Lake Oswego, USA) was used.

Article Title: Affinity and activity of non-native quinones at the Q B site of bacterial photosynthetic reaction centers
Article Snippet: The K d is determined from the dependence of ΔA 430 on the added quinone, [Q T ], using the Levenberg-Marquardt fitting program in IGOR Pro (WaveMetrics): [ R C • Q ] = 1 2 { ( 1 + [ Q T ] + K d [ R C T ] ) - ( 1 + [ Q T ] + K d [ R C T ] ) 2 - 4 [ Q T ] [ R C T ] } (3)

Article Title: Differential Dopaminergic Modulation of Neostriatal Synaptic Connections of Striatopallidal Axon Collaterals
Article Snippet: The Levenberg–Marquardt nonlinear least-squares curve-fitting algorithm ( Marquardt, 1963 ) implemented in IgorPro (WaveMetrics) was used to determine the free parameters p, q* , SD intra , and n . Pairs in which convergent fit could not be obtained were omitted; otherwise, we did not attempt to quantify the statistical goodness of the fits attributable to the limited size of the data sets ( Ninio, 2007 ).

Article Title: Heat pulse excitability of vestibular hair cells and afferent neurons
Article Snippet: Current and voltage signals were filtered at 10 kHz (Axon Instruments) and sampled at 20 kHz with the amplifier gain adjusted to span the 16-bit range of the analog-to-digital converter (HEKA ITC-18).

Article Title: Linking Surface Potential and Deprotonation in Nanoporous Silica: Second Harmonic Generation and Acid/Base Titration
Article Snippet: The adsorption of ions at the oxide/water interface is important for a variety of technological and environmental applications.. Understanding ion adsorption is complicated, even for smooth planar surfaces, because it is the result of both chemical and electrostatic effects.. Adsorption on rough or porous phases further requires description of the influence of pore geometry.

Article Title: Sugar binding of sodium–glucose cotransporters analyzed by voltage-clamp fluorometry
Article Snippet: The Levenberg–Marquardt algorithm implemented in Igor Pro (WaveMetrics, Inc) was used to compute initial estimates for the curve fitting.



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