# dj1du

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**Content Feed**

Question

Calculate Negative loglikelihood of custom probability distribution

Hello, I have a 1D vector, whose data are chi distributed. The Matlab built-in function negloglik expects a probability distrib...

1 month ago | 2 answers | 0

### 2

answersQuestion

Fit chi distribution to measurement data

Good Morning, I would like to fit a chi distribution (not chi-squared!) with 6 degrees of freedom to my measurement data. Un...

2 months ago | 1 answer | 0

### 1

answerQuestion

Plot two histograms over one another

Good evening, I created a plot with histograms and corresponding pdfs. How can I plot the two histograms in each diagram such t...

2 months ago | 1 answer | 0

### 1

answerQuestion

Multiply only certain columns in a matrix with a constant

Hello, I have a 100x9 matrix , whose last six columns should be multiplied by a constant and the first three columns shall rem...

2 months ago | 2 answers | 0

### 2

answersQuestion

Plot electric field in plane

Good afternoon, the png file shows the magnitude of an electric field in a plane, which was calculated by means of an electrom...

2 months ago | 2 answers | 0

### 2

answersQuestion

Reduce edgewidth in trisurf plot

Good morning, for a publication I produced the attached plot using the trisurf command. I'd like the two current distributions ...

3 months ago | 1 answer | 0

### 1

answerQuestion

Colorbars belonging to more than one subplot/axis

Good evening, I want to plot four different variables var1, var2, var3, var4 as color values on a triangular mesh. The first tw...

3 months ago | 1 answer | 0

### 1

answerQuestion

Remove element in multidimensional cell array

Good evening, I have a multi-dimensional cell array c{a}{b} which is indexed by the parameters a=1,...,10 and b=1,...8. Now I'd...

4 months ago | 1 answer | 0

### 1

answerQuestion

Choose subset of basis vectors for best approximation of a vector

Good morning, I'd like to expand a given vector in a different basis with different coefficients , which I receive after a ba...

4 months ago | 0 answers | 0

### 0

answersQuestion

How can I create a correlation graph

Good evening! I need to plot the correlation of a set of differently indexed vectors just like in the attached plot (I found it...

4 months ago | 1 answer | 0

### 1

answerQuestion

Optimization when solving equation system

Good evening, I'm trying to solve the following issue: Given a vector (n=50 elements), which is expanded in known basis funct...

4 months ago | 1 answer | 1

### 1

answerQuestion

Import numeric data from mixed txt file

Hello everybody, I'd like to import only the numeric data in the attached txt file, so all lines containing '#', '##' or '**' s...

4 months ago | 1 answer | 0

### 1

answerQuestion

Find complex roots of homogeneous matrix equation

Good afternoon, I am trying to find the complex zeros of the matrix equation , in which Z is a complex 49x49 impedance matrix a...

8 months ago | 1 answer | 0

### 1

answerQuestion

Plot 1D data of electromagnetics simulation

Hello everyone, I calculated the current on a conducting wire when being exposed to electromagnetic radiation and would like to...

11 months ago | 0 answers | 0