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Mathematica : Recent Questions and Answers (Page 185)

Find answers to your questions about Mathematica or help others by answering their Mathematica questions.

Using ListDenistyPlot to Plot 3 Dimensional List

I have a question regarding how to use ListDenistyPlot. I am trying to plot a large list of data (150,000 data points) by using ListDenistyPlot. However, I just get a...

Asked on 01/23/2021 by Tom Jackson

0 answer

Smoothing an irregular TimeSeries and calculate it's Derivative

I've a data set consisting of two columns, the first column is a date and the second is a numeric cumulative amount. I tried to create a...

Asked on 01/23/2021 by Revious

1 answer

Interactive Mandelbrot zoomer without using MandelbrotSetPlot

I really enjoyed this question about an interactive Mandelbrot zoomer in Mathematica and especially bill s answer because of the simplicity of his code. I would like to...

Asked on 01/22/2021

0 answer

stop notebook evaluation when Assert fails

I would like a notebook evaluation to entirely stop when an Assert fails, without quitting the kernel. Is this possible (e.g., by setting $AssertFunction to ... something)? ...

Asked on 01/22/2021

3 answer

How to change an element in matrix, based on equality of other elements?

I have following problem. I can solve it without any real troubles using 2 for cycles. Knowing it is not really a Mathematica friendly approach, can you give me suggestions...

Asked on 01/22/2021

1 answer

Efficient construction of a SparseArray from LIL (list of lists of column entries)

In Python scipy.sparse, there are methods to convert between CSR, CSC, LIL, DOK, etc. implementations of a sparse matrix. What is the most efficient way in Mathematica...

Asked on 01/22/2021

1 answer

How to put an equation into an input prompt

I would like to know how I could put an equation into an input prompt displaying this equation in traditional form. Better an example:...

Asked on 01/22/2021

2 answer

Error bars from lists

I have a list of data values, and I'd like to plot error bars showing the maxima and minima that each entry in my data list can take. The data...

Asked on 01/21/2021 by Mashy

2 answer

Still having trouble evaluating expressions (involving Log this time)

I'm trying to get some old Mathematica code working on MMA 12. I found the code at this link.Here's the relevant code:Portfolio = {"AAPL", "BA", "IBM",...

Asked on 01/21/2021

2 answer

Change in ComponentMeasurements, HighlightImage, or Epilog for Version 12?

A convenient way to check the results of ComonentMeasurements is to show the results using Epilog. However, one of these features appears to have changed behavior in Version 12. Usually...

Asked on 01/21/2021 by xsk8rat

0 answer

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