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Category: Coding

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Efficient implementation of Softmax activation function and its Derivative (jacobian) in Python

Machine Learning PythonDec 27, 2021Jan 17, 2022 Manas Sharma

The mathematical definition of the Softmax activation function is with the derivative defined as The Softmax function and its derivative for a batch…

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softmax activation function machine learning neural network gradient implementation python

Efficient implementation of Sigmoid activation function and its Derivative (gradient) in Python

Machine Learning PythonDec 27, 2021Dec 29, 2021 Manas Sharma

The mathematical definition of the Sigmoid activation function is and its derivative is The Sigmoid function and its derivative for a batch of…

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sigmoid activation function machine learning neural networks

Efficient implementation of ReLU activation function and its Derivative (gradient) in Python

Machine Learning PythonDec 24, 2021Dec 30, 2021 Manas Sharma

The mathematical definition of the ReLU activation function is and its derivative is defined as The ReLU function and its derivative for a…

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Fourier series Coefficients and Visualization [ Python Program ]

Coding PythonMay 25, 2021May 25, 2021 Manas Sharma

Today I wrote a code that calculates the Fourier Coefficients. In case you don’t know what a Fourier Series is, then, basically it…

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Periodic Functions [PYTHON PROGRAM]

Coding PythonMay 24, 2021May 24, 2021 Manas Sharma

While working on Fourier Series or some other Mathematical Problem, you might sometime have to work with Periodic Functions. Periodic Functions are those…

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Value of Pi using Monte Carlo – PYTHON PROGRAM

Coding PythonMay 13, 2021May 13, 2021 Manas Sharma

One can estimate the value of Pi using Monte Carlo technique. The procedure is really intuitive and based on probabilities and random number…

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Bisection Method – PYTHON CODE and ANIMATION

Coding PythonMay 12, 2021May 13, 2021 Manas Sharma

In this post you will find a simple Python program that finds the root of a function using the Bisection Method as well…

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Random Walkers walking on a 2D grid

Coding PythonMay 7, 2021May 13, 2021 Manas Sharma

YouTube video explaining the analytical solution POWERPOINT PRESENTATION DOWNLOAD LINK Problem Alice (starts from lower left corner) will walk north(up) or east(right) with…

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3D Trajectory Animated using Matplotlib (Python)

Coding PythonOct 31, 2020May 13, 2021 Manas Sharma

Based on a lot of useful references especially (https://gist.github.com/neale/e32b1f16a43bfdc0608f45a504df5a84) here I share my code to plot the animated trajectory of a particle (in…

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3D Line or Scatter plot using Matplotlib (Python) [3D Chart]

CodingOct 31, 2020 Manas Sharma

If you ever want to plot some trajectory of particles then a 3D plot can be particularly useful. The following is a very…

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