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Ilya


Last seen: ungefär 4 år ago |  Active since 2012

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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...

nästan 9 år ago | 2 answers | 0

2

answers

Question


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...

nästan 9 år ago | 1 answer | 2

1

answer

Question


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...

nästan 9 år ago | 1 answer | 0

1

answer

Question


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 ...

ungefär 9 år ago | 1 answer | 0

1

answer

Question


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...

ungefär 9 år ago | 0 answers | 0

0

answers

Question


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...

ungefär 9 år ago | 0 answers | 0

0

answers

Question


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...

ungefär 9 år ago | 0 answers | 0

0

answers

Question


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...

ungefär 9 år ago | 1 answer | 0

1

answer

Question


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...

mer än 9 år ago | 1 answer | 0

1

answer

Question


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: ...

mer än 9 år ago | 1 answer | 0

1

answer

Answered
Time-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...

mer än 9 år 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...

mer än 9 år ago | 3 answers | 0

3

answers

Question


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...

mer än 9 år ago | 2 answers | 0

2

answers

Question


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...

mer än 9 år ago | 0 answers | 0

0

answers

Question


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...

nästan 10 år ago | 1 answer | 0

1

answer

Question


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(...

mer än 10 år ago | 3 answers | 1

3

answers

Question


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...

mer än 10 år ago | 1 answer | 0

1

answer

Answered
argument 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...

mer än 10 år 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...

mer än 10 år ago | 1 answer | 0

1

answer

Question


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...

mer än 10 år ago | 3 answers | 0

3

answers

Question


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) ...

mer än 10 år ago | 0 answers | 0

0

answers

Question


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...

mer än 10 år ago | 2 answers | 1

2

answers

Question


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...

nästan 11 år ago | 1 answer | 0

1

answer

Question


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...

nästan 11 år ago | 2 answers | 0

2

answers

Question


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 ...

nästan 11 år ago | 1 answer | 0

1

answer

Answered
fill/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 ...

nästan 11 år 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)...

nästan 11 år ago | 2 answers | 0

2

answers

Question


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...

nästan 11 år ago | 1 answer | 1

1

answer

Question


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...

ungefär 12 år ago | 1 answer | 0

1

answer