Answered

Plotting trajectory from displacement/time history

It would be nice had you included some sample data, so I made up my own, I hope it is somewhat similar t = linspace(0,pi)';...

Plotting trajectory from displacement/time history

It would be nice had you included some sample data, so I made up my own, I hope it is somewhat similar t = linspace(0,pi)';...

9 years ago | 0

| accepted

Answered

speed up intersect, setdiff functions

If your sets aren't much larger than your example, and are indeed made up of positive integers, then those two functions here ca...

speed up intersect, setdiff functions

If your sets aren't much larger than your example, and are indeed made up of positive integers, then those two functions here ca...

9 years ago | 5

Answered

Matlab can't solve this equation

First of, don't assign the output to |y|, that might lead to mix-ups, after all |y| is a dependent variable you might be using ...

Matlab can't solve this equation

First of, don't assign the output to |y|, that might lead to mix-ups, after all |y| is a dependent variable you might be using ...

9 years ago | 0

Answered

Breaking Down a Symbolic 15 x 15 Matrix

If there is no structure to your matrix, then I don't think there is much to be done by breaking the matrix into smaller pieces,...

Breaking Down a Symbolic 15 x 15 Matrix

If there is no structure to your matrix, then I don't think there is much to be done by breaking the matrix into smaller pieces,...

9 years ago | 0

Answered

Plot time series with irregular intervals and interpolate at regular intervals

You plot minutes vs. price by running (Assuming your data is in the variable |M|) plot(M(:,2),M(:,3)); With regards to t...

Plot time series with irregular intervals and interpolate at regular intervals

You plot minutes vs. price by running (Assuming your data is in the variable |M|) plot(M(:,2),M(:,3)); With regards to t...

9 years ago | 0

Answered

Converting output results to 00e+00 form

So that you can change the output format by issuing format STYLE in your case format shortE you probably knew. And...

Converting output results to 00e+00 form

So that you can change the output format by issuing format STYLE in your case format shortE you probably knew. And...

9 years ago | 0

Answered

How to know the sequence of file in a large project

You could remove all the semicolons ";" from your scripts, in which case the result of every line will be printed into the comma...

How to know the sequence of file in a large project

You could remove all the semicolons ";" from your scripts, in which case the result of every line will be printed into the comma...

9 years ago | 0

Answered

Placing plots into multiple page pdf document

I don't think that Matlab can create multi-page pdfs for you, you'll have to do that yourself. pdfsam <http://www.pdfsam.org> is...

Placing plots into multiple page pdf document

I don't think that Matlab can create multi-page pdfs for you, you'll have to do that yourself. pdfsam <http://www.pdfsam.org> is...

9 years ago | 1

| accepted

Answered

"For" loop output storage

Use a cell array, that is not the most elegant or efficient way, but definitely the quickest fix: Csystems = cell(10^4,1); ...

"For" loop output storage

Use a cell array, that is not the most elegant or efficient way, but definitely the quickest fix: Csystems = cell(10^4,1); ...

9 years ago | 0

| accepted

Answered

How do I create a set of 20 random binary numbers (only 0 and 1) but such that 0 or 1 does not repeat 4 times in a row?

Create them step-by-step, and if you have 3 0 or 1 in a row, force a 1 or 0 for the next. What I mean: rbits = false(1,20);...

How do I create a set of 20 random binary numbers (only 0 and 1) but such that 0 or 1 does not repeat 4 times in a row?

Create them step-by-step, and if you have 3 0 or 1 in a row, force a 1 or 0 for the next. What I mean: rbits = false(1,20);...

9 years ago | 0

Answered

solve() gives incorrect answer

I am astounded... So I am using 2011b on a Mac, but that shouldn't account for the differences. I am getting different results f...

solve() gives incorrect answer

I am astounded... So I am using 2011b on a Mac, but that shouldn't account for the differences. I am getting different results f...

9 years ago | 0

| accepted

Answered

Label 14 names in colorbar

Maybe I don't understand your question properly, but if I do, then you could do it like so: surf(peaks) c = colorbar; set...

Label 14 names in colorbar

Maybe I don't understand your question properly, but if I do, then you could do it like so: surf(peaks) c = colorbar; set...

9 years ago | 0

Answered

How to eliminate the lines that joins the discontinued points in a data?

How about this: lat= [ 35.47 35.51 35.54 35.58 35.61 49.23 49.25 49.26 49.28]; lon= [ 48.91 48.95 49.00 49.04 49.09 72.7...

How to eliminate the lines that joins the discontinued points in a data?

How about this: lat= [ 35.47 35.51 35.54 35.58 35.61 49.23 49.25 49.26 49.28]; lon= [ 48.91 48.95 49.00 49.04 49.09 72.7...

9 years ago | 1

| accepted

Answered

Simulink and simulation of logistic map

So the logistic map is |x(n+1)=r*x(n)*(1-x(n)) = r*x(n) -r*x(n)^2|. Using the Discrete SS block and a square, how about that de...

Simulink and simulation of logistic map

So the logistic map is |x(n+1)=r*x(n)*(1-x(n)) = r*x(n) -r*x(n)^2|. Using the Discrete SS block and a square, how about that de...

9 years ago | 0

| accepted

Answered

How to find positive x-root of this function?

Okay, in this line here: ea=abs((xr-xold)/xr)*100 |ea| is always going to be zero, since a few lines above, you assigned...

How to find positive x-root of this function?

Okay, in this line here: ea=abs((xr-xold)/xr)*100 |ea| is always going to be zero, since a few lines above, you assigned...

9 years ago | 0

| accepted

Answered

Axes labels (with differential dot)

xlabel('$\dot{\phi}$','interpreter','latex')

Axes labels (with differential dot)

xlabel('$\dot{\phi}$','interpreter','latex')

9 years ago | 5

| accepted

Answered

auto-run m-file without command prompt?

As a primitive workaround you could put the following in a *.bat file: Your_matlab_path\matlab -r "Your command" so for ...

auto-run m-file without command prompt?

As a primitive workaround you could put the following in a *.bat file: Your_matlab_path\matlab -r "Your command" so for ...

9 years ago | 0

Answered

Question on plots i,e different line properties

Easiest would probably be to use an additional for-loop to fill figure{i}. Had you formatted your code I would have maybe been a...

Question on plots i,e different line properties

Easiest would probably be to use an additional for-loop to fill figure{i}. Had you formatted your code I would have maybe been a...

9 years ago | 0

Answered

How to obtain PID controller co-effs as a function of time and o/p

As said above, your PID controller is now time-variant and maybe even nonlinear (depending on whether the gains actually depend ...

How to obtain PID controller co-effs as a function of time and o/p

As said above, your PID controller is now time-variant and maybe even nonlinear (depending on whether the gains actually depend ...

9 years ago | 0

Answered

How to show multiple Y axis on a Parallel Coordinates Plot

It's not totally clear to me what exactly you want, visualizing 10-D data sounds impossible to me. Maybe you should post a minim...

How to show multiple Y axis on a Parallel Coordinates Plot

It's not totally clear to me what exactly you want, visualizing 10-D data sounds impossible to me. Maybe you should post a minim...

9 years ago | 0

| accepted

Answered

Generate random numbers given distribution/histogram

Since nobody has any suggestions, here's one. If you have a discrete distribution, say it is a Nx2 matrix |PD|, first column the...

Generate random numbers given distribution/histogram

Since nobody has any suggestions, here's one. If you have a discrete distribution, say it is a Nx2 matrix |PD|, first column the...

9 years ago | 4

| accepted

Answered

Conversion from State Space to TF and then back to State Space

Some points: Don't do "algebra" with |tf| variables, use the functions |series|, |parallel| and |feedback|. |sys_mimo1 = s...

Conversion from State Space to TF and then back to State Space

Some points: Don't do "algebra" with |tf| variables, use the functions |series|, |parallel| and |feedback|. |sys_mimo1 = s...

9 years ago | 0

| accepted

Answered

How can I clear the workspace but not breakpoints?

Or clear variables which will clear all variables, but nothing else. See |help clear| for other possible keywords (one o...

How can I clear the workspace but not breakpoints?

Or clear variables which will clear all variables, but nothing else. See |help clear| for other possible keywords (one o...

9 years ago | 1

Answered

Putting random values in for loop

Do what Matt suggested: VV = floor(+1*120*sin(2*pi*(t-1)/40)); Then add your extra values into |VV|: VV = [VV(1) 1 5...

Putting random values in for loop

Do what Matt suggested: VV = floor(+1*120*sin(2*pi*(t-1)/40)); Then add your extra values into |VV|: VV = [VV(1) 1 5...

9 years ago | 1

| accepted

Question

" requested the Runtime to terminate it in an unusual way"

Freshly installed MATLAB on Windows 7, 64Bit. * If I select the MATLAB shortcut in the Start Menu, I get a windows error say...

9 years ago | 2 answers | 1

Answered

Extract a portion of vector

How about vector(vector(:,1)<20, 2) = NaN; Logical indexing...

Extract a portion of vector

How about vector(vector(:,1)<20, 2) = NaN; Logical indexing...

9 years ago | 0

Answered

Latex Title in figure

From the Matlab help on Text Properties <http://www.mathworks.com/help/matlab/ref/text_props.html> _Note: The maximum size ...

Latex Title in figure

From the Matlab help on Text Properties <http://www.mathworks.com/help/matlab/ref/text_props.html> _Note: The maximum size ...

9 years ago | 1

| accepted

Answered

ismember function too slow

Don't you want to actually INTERSECT A and B? If so, then here's a very fast intersect function that intersects two sets of _pos...

ismember function too slow

Don't you want to actually INTERSECT A and B? If so, then here's a very fast intersect function that intersects two sets of _pos...

9 years ago | 2

Answered

how to find non-numeric value from a matrix?

To compare strings, you'll need |strcmp| or |strcmpi|, depending on whether you want case sensitive or insensitive. >> tsh...

how to find non-numeric value from a matrix?

To compare strings, you'll need |strcmp| or |strcmpi|, depending on whether you want case sensitive or insensitive. >> tsh...

9 years ago | 0

| accepted

Answered

facing problem to plotting surface plot from imported data

As a quick workaround, use plot3(x,y,ux,'.'); If you want to use surf or mesh because it looks prettier, then here is w...

facing problem to plotting surface plot from imported data

As a quick workaround, use plot3(x,y,ux,'.'); If you want to use surf or mesh because it looks prettier, then here is w...

9 years ago | 0