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**Content Feed**

Question

How to ensure that onCleanup destroys last

I'd like to use onCleanup objects (among other things) to restore the initial matlabpath if the function terminates unexpectedly...

6 years ago | 1 answer | 0

### 1

answerQuestion

Execution rules of SharedTestFixtures for complex dependencies

I'm a bit confused about how exactly SharedTestFixtures are executed. Given 3 test files, some of which use SharedTestFixtures...

6 years ago | 1 answer | 2

### 1

answerQuestion

How to write tests for bad input, e.g. to check its proper handling

This can be also related to the <http://stackoverflow.com/questions/11248235/how-do-i-write-dirty-unit-tests following StackOver...

6 years ago | 1 answer | 0

### 1

answerQuestion

How to make function available for several classes

My problem is that I'm using one-liner functions like isint = @(x) all(imag(x)==0 & mod(x, 1)==0); to check the type of ...

6 years ago | 1 answer | 0

### 1

answerQuestion

calculate matrix from elements of other matrix

Given matrix A = [a(i,j)], what is an efficient and (if possible) concise/readable way to calculate matrix B with elements b(i,j...

6 years ago | 0 answers | 0

### 0

answersQuestion

calculate matrix from elements of other matrix

Given matrix A = [a(i,j)], what is an efficient and (if possible) concise/readable way to calculate matrix B with elements b(i,j...

6 years ago | 0 answers | 0

### 0

answersQuestion

calculate matrix from elements of other matrix

Given matrix A = [a(i,j)], what is an efficient and (if possible) concise/readable way to calculate matrix B with elements b(i,j...

6 years ago | 0 answers | 0

### 0

answersQuestion

python list extension with scalars

I need to export a few data from MATLAB to Python via the Python engine. It's needed to transform some 1xN vectors to python li...

6 years ago | 1 answer | 0

### 1

answerQuestion

Different run time of eig() for the same matrix (calculated in 2 different ways)

I hope, a good answer will help understanding of how to use MATLAB in a truly efficient way... From the same input (stored in...

6 years ago | 1 answer | 0

### 1

answerQuestion

timeit() for a block of code/precise time measurement for a block of code

I have a code in which certain blocks are 'auxiliary' and others need to be measured for their running time. So it looks like: ...

6 years ago | 1 answer | 0

### 1

answerTime-range simulation in Simulink

I have the same problem. I simulate from 0 to tend, but need to crop the initial part of simulation (with wild transients, which...

7 years ago | 0

Question

How to prevent a background subsystem from opening

it's known that the only way to create colored backgrounds for block groups in Simulink is to create empty masked subsystems and...

7 years ago | 3 answers | 0

### 3

answersQuestion

Close all messageboxes (generated by Simulink)

I'd like to know how to close all messageboxes that Simulink occasionally creates (in my case these are unimportant warnings aft...

7 years ago | 2 answers | 0

### 2

answersQuestion

How do I change the font of a block name (without affecting the font of block labels etc)

In Simulink (in particular, in SimPowerSystems), the 'Format' -> 'Font...' option changes both the font of the block name and th...

7 years ago | 0 answers | 0

### 0

answersQuestion

SimPowerSystems: 2nd vs 3rd Generation in terms of speed

I can model an electrical power system with 2 types of blocks: Simscape and Specialised Technology (aka Second and Third Generat...

7 years ago | 1 answer | 0

### 1

answerQuestion

How to drop last N round-off error digits?

a=sqrt(pi) returns 1.77245385090552, where the last digit is not reliable, and this digit is of the order 1e-14. Now, a=sqrt(...

7 years ago | 3 answers | 0

### 3

answersQuestion

Raise Binomials to integer powers

It's needed to raise first-degree binomials (ax+b) (i.e. polynomial vectors [a b]) to integer powers. Is there any fast soluti...

7 years ago | 1 answer | 0

### 1

answerargument vector for smooth function plots

No, I'm quite sane. The degree of 30 is only _an example_ of a high degree. Normally, the degree is 4-15, at max. 20. If ther...

7 years ago | 0

| accepted

Question

linspace and colon with column vector output

Is it possible to generate _column_ sample vectors by using either linspace()/logspace() or *:* - operator ? The background i...

7 years ago | 1 answer | 0

### 1

answerQuestion

pad vector between its values

I wonder if it's possible to pad a vector with intermediate points in order to make it more "smooth" _in an elegant way_ (i.e. w...

7 years ago | 3 answers | 0

### 3

answersQuestion

plot parametric curves between xy-limits

I'm not sure if it's possible at all, but may be somebody knows the answer.. I have two parametric equations: x=f(t) ...

8 years ago | 0 answers | 0

### 0

answersQuestion

Detect parts of a 0/1 (binary) vector consisting of only 0 or 1

Let's say I have a vector of 0 and 1: a=[1 1 1 0 0 0 1 0 1 0 0 1 1 0]; It's needed to find a way to extract the vector's...

8 years ago | 2 answers | 1

### 2

answersQuestion

compare two vectors/compare coordinates

Hello, lets assume I have one point with coordinates X1Y1=[1 1] and another point X2Y2=[1 1]. What is the shortest and possib...

8 years ago | 1 answer | 0

### 1

answerQuestion

argument vector for smooth function plots

Hello, I have arbitrary polynomial functions y=f(x) of a degree, say, N<30 and need to plot them over some predefined interva...

8 years ago | 2 answers | 0

### 2

answersQuestion

detect closed shapes formed by several arrays of points

I plot several arrays containing xy-coordinates of points (using plot(x,y)) and obtain a plot with some curves. The curves form ...

8 years ago | 1 answer | 0

### 1

answerfill/patch for a piecewise-linear closed contour/polygon

Yes, in fact, if a piecewise-linear contour is defined properly (i.e. the sides' points coordinates vectors are concatenated at ...

8 years ago | 0

| accepted

Question

fill/patch for a piecewise-linear closed contour/polygon

Hello, I've tried to use the function _fill(X,Y,C)_ with the set of data specified *in the attached m-file (contour_draft.m)...

8 years ago | 2 answers | 0

### 2

answersQuestion

Curve tolerance between the calculated points

In order to plot a curve in MATLAB a set of points is calculated based on some formula. The function FPLOT also supports plotti...

8 years ago | 1 answer | 1

### 1

answerQuestion

Power_analyze-increase accuracy (state-space)

I'm using power_analyse to extract state space data from a *.mdl file (a SymPowerSystems-model). Then I transform the matrices t...

9 years ago | 1 answer | 0