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Daniel Miller


Con actividad desde 2019

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Estadística

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Regular expressions - extract parts of a string
Hi! I have a problem I'd need some help with. I have the following code: randomText = 'Madrid 2.7 Milano 3.85 Berlin 0.9...

más de 4 años hace | 0 respuestas | 0

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Extracting selected parts from text - regular expressions
Hello! I can't believe how I got stuck here, I have about ten exercises to do and this is just the first one and it is supposed...

más de 4 años hace | 1 respuesta | 0

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Linear regression - extracting info using matrix algebra
Hello! I have a preloaded data which contains four columns and each column contains the following data in the following order: ...

casi 5 años hace | 1 respuesta | 0

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Solving a system of equations without "syms"
Hello! I have been given the following system of equations that I should solve: 2x1 + 4x2 + 7x3 = 64 3x1 + x2 + 8x3 = 71 -2x...

casi 5 años hace | 3 respuestas | 0

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Change plot X-axis values and adjustments to the graph
Hey everyone! I have a task to write a command which replicates a graph. The file "SPX" contains two columns with date info i...

casi 5 años hace | 1 respuesta | 0

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Calculate mean of certain values in a vector
Hi! I have two problems I'd need some help with. I have a column vector (25 x 1) with positive and negative values. It has the...

casi 5 años hace | 1 respuesta | 0

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Calculations in a column vector
Hello! I have the following problem to solve: I have sat here for fifty minutes now and my brain is completely stuck. I can'...

casi 5 años hace | 0 respuestas | 0

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Creating a vector out of variables
Hello! This might seem very simple, but if I have created, let's say, the following variables: A = 1/(10^(-6)); B = 22^(1/4...

casi 5 años hace | 1 respuesta | 0

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