Community Profile

# Timo Dietz

Last seen: etwa 2 Monate ago Active since 2018

All

#### Content Feed

View by

Question

ilaplace gives time limited result
Hello, I try to apply a periodical pulse signal to a pT1 filter and to convert the result to the time domain. When the code be...

etwa 2 Monate ago | 1 answer | 0

### 1

How to send Simulink variable to matlab?
Timeseries signals can be plotted directly: plot(simout) or separated by x and y: plot(simout.Time, simout.Data)

10 Monate ago | 0

Why is my plot plotting blank?
Each loop you are plotting one point, only. So you either have to "hold on" the figure to prevent erasing all data before the ne...

10 Monate ago | 1

Replace every nth element in a vector
You must not start your index with '0' but with '1' Inv(1:lifetime:projectlength)= costs;

10 Monate ago | 0

| accepted

Start and end point of a signal
Not sure whether I understood your question, but if you want to get the indices of an array for which the data meets certain req...

10 Monate ago | 0

| accepted

How can I send the MATLAB data(using loop) to excel???
rndMatrix = zeros(9, 4); % preallocation for i = 1:9 rndMatrix(i, 1) = i; % i rndMatrix(i, ...

10 Monate ago | 0

| accepted

How to change all the colours in the image to black
Try this: imageData = imread([yourFile]); % split R, G, B imgR = imageData(:, :, 1); imgG = imageData(:, :, 2); imgB = ...

10 Monate ago | 1

| accepted

How can I determine the time t when a specific value y is reached in SIMULINK?
There are multiple ways of doing this. One is to attach the source block "clock" to a triggered subsystem which contains just a ...

11 Monate ago | 1

| accepted

Setting a fixed sized matrix size in Simulink at run time
First, add an input 'n' of type „Parameter“ to the Matlab function block using the Simulink ModelExplorer and un-check the “Tuna...

11 Monate ago | 0

| accepted

Dynamically adding element to an array
priceArray= ... [1 29.21 -1 29.41 -1 29.43 -1 29.63 1 29.01 0 29.21 1 28.62 ...

11 Monate ago | 1

| accepted

Approximation of area of an image
Personally, I would try this: 1) Introduce an intensity threshold. All pixels below will be treated as 0, all above as 1. 2) N...

11 Monate ago | 0

decrA = 0; out = zeros(1, numel(A)); out(1) = A(1); for idx = 2:1:numel(A) if A(idx) == -1 out(idx)...

11 Monate ago | 1

| accepted

How can I control decimal in plot with four axes?
I don't think that it's possible what you want to achieve. A second y axis can be activated with yyaxis or plotyy (same x scali...

11 Monate ago | 0

Plot Graph with different b Values
There is no declaration of 'r'. I guess it should be instead of 'i'? Not sure what exactly you want to plot and/or how 'M' shou...

12 Monate ago | 0

bars with mean and std on them
replace the XEndPoints/YEndPoints by XData(end)/YData(end): xtips1 = b(1).XData(end); ytips1 = b(1).YData(end); Btw, xtickl...

12 Monate ago | 0

| accepted

How can I separate data that does not fit the required format?
Maybe I didn't get your issue, but what about using "contains" and searching for a specific identifier? E.g. contains([your_hex...

12 Monate ago | 0

| accepted

Index exceeds the number of array elements: in case of for loop.
k4 has 8 members. But the third member of Perm is 8. So plus one leads to 9 which is more than k4 contains k4(Perm(i)+1) = k4(9...

12 Monate ago | 1

Making a change in appdesigner when deployed permanent
You have to use "load" / "save" functions to store and reload your settings. The app does not support permanent changes of the ...

12 Monate ago | 0

| accepted

Concatenate signals ( sine wave and a line )
I guess you want to add a X/Y line after the sine wave, right? In this case you have to concatenate X + t and Y + a in order to...

etwa ein Jahr ago | 1

wrong number of rows of cell array using length()-function
You should use the size command to distinguish between row and col. To be more precise: length(X) returns the length of vect...

etwa ein Jahr ago | 0

| accepted

How to select a column on basis of some conditions on the rows?
Does this solve your problem? x = x(:, x(1, :) > 0 & x(2, :) > 0 & x(4, :) < 0)

etwa ein Jahr ago | 0

| accepted

how to do sum of element of multiple number in matlab?
Not sure whether I got your issue. But in case you want to summarize all members of m starting at index 1, up to each member of ...

etwa ein Jahr ago | 0

Cut out all of a square array except for a specified NxN section in the middle.
Try this: rowOffset = (rowdim-m)/2; columnOffset = (columndim-m)/2; centerMatrix = x(rowOffset+1:end-rowOffset,...

etwa ein Jahr ago | 1

There are certainly different ways to do so. E.g.: x = 1:1:10; y1=[0.5 1.7 1.75 1.9 2 2.1 2.4 2.6 2.7 2.9 ]; y2=[0.7 1.8 1...

etwa ein Jahr ago | 0

Remove rows/columns with same elements
unique(sort(A, 2), 'rows')

etwa ein Jahr ago | 0

Question

Data Type Conversion does not convert to boolean when attached to transfer function block
Hello, I attached a "Data Type Conversion" block to a PT1 low pass filter (transfer function) trying to convert the ouptut sign...

mehr als ein Jahr ago | 1 answer | 1

### 1

Question

report generator can't handle blanks in path name
Hello, in order to use the report generator of Matlab I created the needed template sheet with a relative path to an image whi...

fast 2 Jahre ago | 0 answers | 0

### 0

Question

How to print certain block of Simulink model
Hello, I'm trying to get an image of a specific block inside a Simulink model - programmatically. I tried the following: 1)...

etwa 3 Jahre ago | 1 answer | 0

### 1

Hello, many thanks for your efforts. Meanwhile I found a workaround which does the job. It points to the direction Fangjun pr...

etwa 3 Jahre ago | 0

| accepted

Question