# Questions tagged [matlab]

Questions about the numerical programming language MATLAB.

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### Plotting the difference between an exponential and its Taylor expansion as a function of number of terms?

I'm terribly green, please forgive me. I need to plot the difference between a chosen calculated Taylor expansion $e^x=1+x+\frac {x^2}{2!}+\frac {x^3}{3!}+\frac {x^4}{4!}+\frac {x^5}{5!}$... and the ...
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### Two-dimensional modelling of a flate-plate reactor

I am trying to simulate the unsteady pollutant concentration along the reactor by solving the 2nd order PDE below with the stated BC and IC. which method is appropriate to solve convection-diffusion-...
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### Rewriting matrix multiplication

I have a matrix multiplication in Matlab that goes as follows $$\hat{W} = N W N^{T},$$ where $^T$ means a transposition. $N$ is an incidence matrix with the dimensions m x n and W = diag(G), where G ...
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### Inverse Newton Method for optimization: is this the correct algorithm?

I am trying to implement the algorithm in this article. I have already asked a question before about it here, and I am trying to figure out what I am doing wrong. This time, it's this section of the ...