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Results for “"Lasker Ershad Ali"”

16+ results

Unsteady MHD free convection boundary-layer flow of a nanofluid along a stretching sheet with thermal radiation and viscous dissipation effects

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Md. Shakhaoath Khan, Ifsana Karim, Lasker Ershad Ali, Ariful Islam

Journal: International nano letters.Year: 2012Citations: 99

In this work, we study the unsteady free convection boundary-layer flow of a nanofluid along a stretching sheet with thermal radiation in the presence of magnetic field. To obtain non-similar equations, continuity, momentum, energy, and concentration equations have been non-dimensionalized by usual ...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Numerical modeling of a MHD non-linear radiative Maxwell nano fluid with activation energy

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Fariha Ahmed, Sk. Reza‐E‐Rabbi, Md. Yousuf Ali, Lasker Ershad Ali et al.

Journal: HeliyonYear: 2024Citations: 44

). Our research demonstrates the superior performance of non-Newtonian solutions, notably in cases involving activation energy and nonlinear radiation. This paradigm shift carries significant implications. In another context, the interplay between Maxwell fluid and nonlinear radiation is notably aff...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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A Comparative Study of Support Vector Machine and Artificial Neural Network for Option Price Prediction

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Biplab Madhu, M.A. Rahman, Arnab Mukherjee, Md Zahidul Islam et al.

Journal: Journal of Computer and CommunicationsYear: 2021Citations: 33

Option pricing has become one of the quite important parts of the financial market. As the market is always dynamic, it is really difficult to predict the option price accurately. For this reason, various machine learning techniques have been designed and developed to deal with the problem of predic...

Social SciencesDecision SciencesManagement Science and Operations ResearchOpen Access
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SMOTE-ENN resampling technique with Bayesian optimization for multi-class classification of dry bean varieties

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Amar Mukherjee, Mohammad Reza Chalak Qazani, B. M. Jewel Rana, Shahina Akter et al.

Journal: Applied Soft ComputingYear: 2025Citations: 11

The imbalanced classification problem poses a significant challenge in machine learning, often resulting in biased models and poor performance for minority classes. This study introduces an innovative hybrid resampling technique combining Synthetic Minority Oversampling Technique and Edited Nearest ...

Physical SciencesChemistryAnalytical ChemistryOpen Access
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Radiation Absorption and Variable Electrical Conductivity Effect on High Speed MHD Free Convective Flow past an Exponential Accelerated Inclined Plate

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B. M. Jewel Rana, Raju Roy, Lasker Ershad Ali, Sarder Firoz Ahmmed

Journal: World Journal of MechanicsYear: 2017Citations: 10

The effects of variable electrical conductivity and radiation absorption on high-speed MHD (Magnetohydrodynamics) free convective flow past an exponential accelerated inclined plate with higher order chemical reaction have been investigated. The electrical conductivity has been considered as a funct...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Unsteady Heat Transfer of Viscous Incompressible Boundary Layer Fluid Flow through a Porous Plate with Induced Magnetic Field

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Ariful Islam, Muhammad Minarul Islam, Mahabur Rahman, Lasker Ershad Ali et al.

Journal: Journal of Applied Mathematics and PhysicsYear: 2016Citations: 9

Because of the great importance of thermal instability in nature, in chemical processes, in separation processes, in industrial applications as well as in geophysical and astrophysical engineering, the effect of thermal diffusion on the combined MHD heat transfer in an unsteady flow past a continuou...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Convolutional Neural Network based Eye Recognition from Distantly Acquired Face Images for Human Identification

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Kazi Shah Nawaz Ripon, Lasker Ershad Ali, Nazmul Siddique, Jinwen Ma

Year: 2019Citations: 8

Eye image recognition from a face image acquired at a distant is a promising physical biometric technique to use for human identification. This contemporary field of research depends on image preprocessing, feature extraction, and reliable classification techniques. In this work, we separate eye ima...

Physical SciencesComputer ScienceSignal Processing
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A Multi-objective Evolutionary Algorithm for Color Image Segmentation

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Kazi Shah Nawaz Ripon, Lasker Ershad Ali, S. H. Shah Newaz, Jinwen Ma

Journal: Lecture notes in computer scienceYear: 2017Citations: 8
Physical SciencesPhysics and AstronomyAtomic and Molecular Physics, and OpticsOpen Access
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Investigate Micropolar Fluid Behavior on MHD Free Convection and Mass Transfer Flow with Constant Heat and Mass Fluxes by Finite Difference Method

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Lasker Ershad Ali

Journal: American Journal of Applied MathematicsYear: 2015Citations: 7

Micropolar fluid behavior on MHD free convection and mass transfer with constant heat and mass fluxes is studied numerically. Finite difference technique is used as the main tool for the numerical approach. Micropolar fluid behavior on MHD steady free convection and mass transfer with constant heat ...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Forecasting Volatility of Dhaka Stock Exchange: Linear Vs Non-linear models

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Masudul Islam, Lasker Ershad Ali, Nahida Afroz

Journal: International Journal of Science and EngineeringYear: 2012Citations: 7

Prior information about a financial market is very essential for investor to invest money on parches share from the stock market which can strengthen the economy. The study examines the relative ability of various models to forecast daily stock indexes future volatility. The forecasting models that ...

Social SciencesEconomics, Econometrics and FinanceFinanceOpen Access
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Home Occupancy Classification Using Machine Learning Techniques along with Feature Selection

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Abdullah-Al Nahid, Niloy Sikder, Mahmudul Hasan Abid, Rafia Nishat Toma et al.

Journal: International Journal of Engineering and ManufacturingYear: 2022Citations: 6

Monitoring systems for electrical appliances have gained massive popularity nowadays. These frameworks can provide consumers with helpful information for energy consumption. Non-intrusive load monitoring (NILM) is the most common method for monitoring a household's energy profile. This research pres...

Physical SciencesEngineeringElectrical and Electronic EngineeringOpen Access
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Exploring gender-specific mental health status and socioeconomic impacts of COVID-19 pandemic on slum dwellers in Khulna City corporation, Bangladesh

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Md. Salauddin Khan, Ishita Shahid Sams, Maliha Mahazabin, Umama Khan et al.

Journal: Discover Public HealthYear: 2024Citations: 5

COVID-19 has devastated every aspect of life worldwide, where slum dwellers are particularly vulnerable due to persistent inequities. This study aims to explore the socioeconomic and gender-specific mental health impacts of COVID-19 on slum dwellers. Generalized ordered logistic regression with auto...

Social SciencesEconomics, Econometrics and FinanceEconomics and EconometricsOpen Access
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Unravelling Parkinson’s Disease Prediction: An Evaluation of Feature Selection Techniques with a Focus on PCA and KNN Performance

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Md. Ahsan Ullah, Sk. Humayra Afrin, Kazi Mohammad Nazib, Raju Roy et al.

Journal: Review of Computer Engineering StudiesYear: 2023Citations: 5

Parkinson's disease is a brain condition that causes involuntary or uncontrolled movements, including tremors, rigidity, and problems with balance and coordination.People of various racial and cultural backgrounds are affected by Parkinson's disease.Early diagnosis of Parkinson's disease is essentia...

Health SciencesMedicinePhysiologyOpen Access
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Iris Recognition Using Wavelet Features and Various Distance Based Classification

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Arnab Mukherjee, Md. Zahidul Islam, G. M. Mamun-Al-Imran, Lasker Ershad Ali

Journal: 2021 International Conference on Electronics, Communications and Information Technology (ICECIT)Year: 2021Citations: 5

This paper proposes wavelet features based iris recognition approach adopting K-nearest neighbor (K-NN) classification with various distance measures. Image pre-processing, feature extraction and iris classification are the three key stages in this proposed approach. Very well-known image enhancemen...

Physical SciencesComputer ScienceSignal Processing
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Customized K-Means Clustering Based Color Image Segmentation Measuring PRI

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Md. Zahidul Islam, Shamsun Nahar, Syed Mujibul Islam, Saria Islam et al.

Journal: 2021 International Conference on Electronics, Communications and Information Technology (ICECIT)Year: 2021Citations: 5

Image segmentation has been considered as one of the most important tool for image processing in many application of computer vision, remote sensing, medical science and so on. The principle target of image segmentation is the way toward partitioning an image into various fragments that cover the wh...

Physical SciencesComputer ScienceComputer Vision and Pattern Recognition
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