Question

How to get programmatically the currently active application?
Hi all, I want to develop a kind of automatic timetracking sw where every minute checks what is the currently active application...

9 years ago | 0 answers | 0

0

answers

Question

Why does filtfilt provide me wrong results?
Hi all, I'm using filtfilt function to filter some signals since i would like to minimize the phase lag between the original...

9 years ago | 1 answer | 0

1

answer

Question

How to re-bin histograms with wider bins?
Hi all, How may I rebin an histogram in wider bins? Here an axample: 0-1 4 1-2 5 2-3 1 3-4 4 ...

9 years ago | 2 answers | 0

2

answers

Question

Bar plot with two Y-axes
Hi all, I need to plot data in a bar plot with two Y axis. Morevover the bar must be grouped, like in the following picture:...

9 years ago | 2 answers | 0

2

answers

Question

How to statistically detect "trend outliers"?
Hi all, I have several data collected by experiments that show the dependency between two variables, let's say x and y. I hav...

9 years ago | 0 answers | 0

0

answers

Question

How to avoid programmatically the data overlapping from legend in plots
Hi all, I programmatically plot many data as a bar plot. Unfortunately for plots where the last bar is very high legend ov...

9 years ago | 2 answers | 0

2

answers

Answered
Tangent to two circles
Hi, the 3rd and 4th equations shouldn't be as the folliwing, right? p1^2-c1^2=r1^2 p2^2-c2^2=r2^2 you can use fsol...

9 years ago | 0

Answered
How to specify tolerance using linsolve ?
It is strongly suggested to normalize your design variables, contraints and so on in order to have a similar variation of the gr...

9 years ago | 0

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Answered
fmincon's nonlinear equality constraints cannot be met?
Check your contranstrains with an optimization where your objective function is @(x)0 and with your real constraints. The solver...

9 years ago | 1

Answered
Insert variable name into string
Try this: inputdlg(['Please enter the name for the' Name 'xls file: '],'Excel Name');

9 years ago | 0

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Answered
Using num2str inside the for loop
You got only 5 because you haven't used f as an array. Here the right code: firstDay = 1; lastDay = 5; for i=...

9 years ago | 1

Answered
Indexing a 3D array with a vector
try this: x = [[1,2,3,4];[5,6,7,8];[2,8,9,7]]; y = [[1,3,5,3];[7,9,0,2];[2,4,5,4]]; z = [[2,4,6,6];[3,5,7,1]...

9 years ago | 0

Answered
use any/all test with while loop in range 0:1:10
Hi, while loops until the condition is true, so you to change looping condition: grades = input('Please enter the...

9 years ago | 0

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Answered
fmincon is giving error
fmincon must be used for monoobjective optimization so it expect a scalar value instead in your code he gets four different valu...

9 years ago | 1

Answered
print acsii characters in tabular format using char
try this: function mychar(y) if y > 129 disp('Please enter less than 129.') else x = char(uint8(y...

9 years ago | 0

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Question

How to remove transient effect in the beginning of the filtered signal?
Hi all, I have to filter a signal with a low pass filter but the filtered data has strong spikes at its beginning and its en...

9 years ago | 2 answers | 1

2

answers

Answered
How do I find non zero cells in a cell array?
Here an axample: testcell={0,1,1,0,1}; matcell=cell2mat(testcell); find(matcell==0)

9 years ago | 1

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Question

Concatenation of arrays of structure
Hi all I have to concatenate the field of an array of structure. Here a simple example: a=struct('a',[]); a(1).a...

9 years ago | 3 answers | 0

3

answers

Question

Problems in reading XLSX file
Hi all, I have some problems in reading xlsx files. I use the readtable command because I can get a structure where the fiel...

9 years ago | 0 answers | 0

0

answers

Answered
How to get a vector from an excel sheet
xlsread can read a specific range so in case your range is a column you get a column array.

9 years ago | 0

Question

How getting coordinates of geagraphical locations?
Hi, I have the following struct array. data=struct('Position',[],'Value',[]) data(1).Position='London'; data(...

9 years ago | 3 answers | 1

3

answers

Question

How to vectorize the following code
Hi all, I have the following code, is there any way to vectorize it? RMH(1).D=rand(20,4); RMH(2).D=rand(20,4); ...

9 years ago | 1 answer | 0

1

answer

Question

how to generate custom bin edges with internal.stats.histbins?
Hi all, I've used the distribution fitting toolbox through the GUI to get the probability distribution. To automate the proc...

9 years ago | 0 answers | 0

0

answers

Question

error with using filter
Hi all, I have to filter few signals and I wrote the following code: Fpass = 40; % Passband Frequency Fstop =...

9 years ago | 1 answer | 0

1

answer

Answered
Simscape no solver block connected error
Each part must be connected to a solver block. If you have the solver error, probably you haven't rightly connected the eletron...

9 years ago | 0

Answered
How to save workspace except for one structure field?
Probably there is a shorter way to do it, but this method works: a=1; b=1; c=1; vars=who; p=find(isme...

9 years ago | 0

Question

How to apply OR operation to a matrix?
Hi folk, I need to apply the OR operation to the column of a matrix. Here an example: a=[0 0 1; 0 1 1]; orMa...

10 years ago | 1 answer | 0

1

answer

Question

strfind: how to set a cell for the pattern?
Hi all, I need to set a cell as pattern for strfind without using a for. Here an example a={'1','2','3'}; b={'1','2'}...

10 years ago | 5 answers | 0

5

answers

Question

subplots destroys the axis properties
Hi all, I have to create a figure with a specific layout of subplots, but when I call the subplot for the second time all th...

10 years ago | 2 answers | 0

2

answers

Answered
How can an engine model be simulated in the "crank angle - domain" instead of the "time - domain" in Simulink?
I don't know if it works, but you can try by parametrizing the time step and the simulation time in function of the engine speed...

10 years ago | 0