Community Profile Emmanuel Rodriguez

Last seen: 1 day ago Active since 2020

Hello! I am a mechanical engineer and love all things that leave earth's surface!

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No pixel label data found - using the pixelLabelTrainingData function...
Hello! I am working an image semantic segmentation project; I am using the pixelLabelTrainingData function to generate two data...

30 days ago | 2 answers | 0

2

Question

Pixel label image has scalar pixel label IDs instead of RGB-triplet pixel label IDs
Hello, I am writing a program to perform image segmentation using a deep learning NN, following the example: https://www.mathwo...

1 month ago | 1 answer | 0

1

Question

Using readtable to import a 5x1 column from Excel is missing one element. Why??
I feel like this should be a super easy fix. This is a simple import using readtable, the f3 variable below only brings in a 4x1...

2 months ago | 1 answer | 0

1

Question

fplot Warning: Function behaves unexpectedly on array inputs.
Hello! This SHOULD be a simple fix, and I've spent some time reading answers to similar question.... but still can't manage to f...

5 months ago | 1 answer | 0

1

Question

Why is the Fourier Transform of symbolic Laplacian function (2nd partial derivative) not being found?
I am needing to find the Fourier Transform of the following symbolic expression: syms U(x,y,z) beta k LHS = laplacian(U) + bet...

5 months ago | 0 answers | 0

0

Question

Why am I not able to obtain the Fourier Transform of exponent expression using Symbolic math?
The answer should be a closed-form solution. % Practice, Problem 7 from Kreyszig sec 10.10, p. 575 syms f(x) f(x) = x*exp(-x)...

6 months ago | 1 answer | 0

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Submitted

Solving_Parabolic_PDEs
Solving parabolic partial differential equations using numerical methods. Submitted

Top_scores_average
User is prompted to enter data, then asked to enter the quantity of top data points to enter, finally average is displayed.

Submitted

Curve-Fitting-1st-2nd-Polynomial-Spline-interpolations
Curve fitting - 1st, 2nd order polynomial ; Linear and spline interpolations -- Sample problems

Submitted

Cross_sectional_area_analysis_Time_series
The MATLAB code imports x-y coordinates of river bank and water level depth as a function of time, sampled every 10 minutes. Submitted

TriArea
Calculate the area of a triangle given the vertices' coordinates and using the formula given. Submitted

MATLAB_program_Solving_ODEs_harmonic_oscillators
A general-purpose MATLAB program to find the free vibration response of a viscously damped system. Submitted

matlab_3D_surface_plot_amplitude_ratio_mechanical_vibrations
MATLAB code for a 3D surface plot of amplitude ratio of a steady-state vibration of a friction-free spring-mass-damper system  