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Akbar


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提问


How to create the same png icon but with a different color?
Here is a .png of a button icon. I need exactly the same icon, with the same style but a green color. How can I achieve that?...

5 years 前 | 2 个回答 | 0

2

个回答

已回答
Step response due to input changes
Maybe try in Simulink, using the Signal builder block you can create Input as you want. <</matlabcentral/answers/uploaded_fil...

6 years 前 | 0

已回答
find_system(Search_Path,'SearchDepth',1,'BlockType','Inport'); what does this function do? specially what is search depth and value 1?
It is used to get paths to particular blocks in simulink model. In this case, your command will search for all blocks of type "I...

6 years 前 | 0

提问


Need help with symbolic variables (if else statement)
if a > 10^-8 switch1 = b; else switch1 = 0; end i get the following error: Conversion to logical ...

6 years 前 | 2 个回答 | 0

2

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提问


Stuck with symbolic variables
How to correctly assign symbolic values to the selected elements of an Array? syms a b c x = [a;b]; c([1 2]) = x; ...

6 years 前 | 1 个回答 | 0

1

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已回答
Could anyone help me how to type different symbols for the legend in the graph
LS = {'-v','-^',':','-.','-o','-','-+','-*','x','-square','--+'}; plot(1:10,ones(1,10),'-<','color','black') hold on ...

6 years 前 | 0

提问


How to get the order indices in a character array?
Here is my cell Array, consider it as an input: ans = 7×1 cell array {'x_air' } {'v_air' ...

6 years 前 | 3 个回答 | 0

3

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提问


How to make ode15s not to cross zero?
Here is the solution to a differential equation by simulink(ode15s, orange) and matlab(ode15s, blue). The solution mustn't cros...

6 years 前 | 2 个回答 | 0

2

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提问


I'm stuck with this proplem. Variable used before it's defined.
I have a differential equation(ODE) represented as a directed graph. The ODE is not known, only its graph representation is gi...

6 years 前 | 1 个回答 | 0

1

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提问


Variable might be used before it's defined. How to workaround?
I am writing a matlab script. Code analyzer underlines one of the variables in red and says that, Variable might be used befor...

6 years 前 | 1 个回答 | 0

1

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提问


Represent the 'Selector' block in simulink as matlab code?
How to represent the 'Selector' block in simulink as a matlab code? For ex.: 'Sum' block could be coded like 'out = in1 + in...

6 years 前 | 1 个回答 | 0

1

个回答

已回答
formula behind nlinfit function
<https://www.mathworks.com/help/releases/R2017b/stats/nlinfit.html?s_tid=doc_ta#btl_944-7 Read section 'more about'> And there...

6 years 前 | 0

提问


How to print cell contents into m-file?
I Need to Combine These two variables and print in m-file. |inputs| and |signs| length may vary. |signs| can only contain multip...

6 years 前 | 2 个回答 | 0

2

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提问


How to write cell array contents into m-file as shown below?
I have a cell Array vector as attached (length may vary). It contains variable names. mycell = 5×1 cell array {'x' ...

6 years 前 | 1 个回答 | 0

1

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提问


How to create a variable from cell array contents?
I have a cell Array vector as attached (length may vary). It contains variable names. mycell = 5×1 cell array {'x' ...

6 years 前 | 1 个回答 | 0

1

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提问


Why there is no space after the equal sign? (fprintf)
fprintf('%s \n',strcat('s',' = ','1000',';')); Output: s =1000; Desired: s = 1000;

6 years 前 | 2 个回答 | 0

2

个回答

提问


Why the first cell is printed in one row and second in two? (fprintf)
Why the first cell is printed in one row and second in two? I want the second cell to be printed in one row, same as first. ...

6 years 前 | 1 个回答 | 0

1

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提问


fprintf a long cell array vector into the file
I have |1x43| cell Array where each cell contains string (variable name), size can vary but it's always a vector. So in this c...

6 years 前 | 1 个回答 | 0

1

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已回答
I have a text file having 7 columns. First column is UTC time in hours. This file is having data for almost 1 month. i need to separate data day wise and save it to different day . whenever first column value is > than 0.00, a new day is starting
First I have imported your data to matlab using its 'import data' tool. And created a table called 'anci'. Whose size is |5003x7...

6 years 前 | 0

| 已接受

已回答
hi can you teach me how to plot teh below response with simulink
You can use the "signal builder" block which is found in "sources" of simulink library. Just double click on it and start creati...

6 years 前 | 0

| 已接受

已回答
How to plot a heat map with three vectors?
I have made some modifications. The heatmap below Shows highest temp. each hour of a month, for two years. <</matlabcentral...

6 years 前 | 1

| 已接受

已回答
matlab code for histogram
<</matlabcentral/answers/uploaded_files/119543/untitled.png>> A=[0.1;0.3;0.5;0.6;0.2]; B=[0.8;0.6;0.9;0.4;0.7]...

6 years 前 | 0

| 已接受

提问


Preallocate a variable of unknown size
Please help to preallocate the variable "D". Its size is unknown. clc; D = {}; Di = []; r = 1; N = length(nodes...

6 years 前 | 1 个回答 | 0

1

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已回答
How do I repeat a for loop for all columns?
Try this. You should use two arguments (i,j) i=row number. j=column number. And one more "for" Loop, for the columns. n_ste...

6 years 前 | 0

| 已接受

提问


fprintf cell array if its size changes
I want my cell Array to appear in matlab file. But the Array size may Change from time to time and I have to Change the number ...

6 years 前 | 1 个回答 | 0

1

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已回答
how to form branch to node incidence matrix by using tree
G = digraph([1 2 2 2 3 4], [4 1 3 4 1 3]); G.Nodes.Name = {'a' 'b' 'c' 'd'}'; h = plot(G); labelText = {'6' '3' '2' '...

6 years 前 | 1

| 已接受

已回答
What does the step response plot in PID tuner indicate ?
"Reference tracking" is when the Controller Parameters are tuned to follow the reference. And there is another Approach too: "Di...

6 years 前 | 1

| 已接受

提问


How to generate function handle automatically from the cell array?
I have a 2x1 cell called "dx", which contains 1x3 cells: 'X * k * m' '*' '-1' 'X * k * m' '*' 'Y_XS' I want this "d...

6 years 前 | 1 个回答 | 0

1

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提问


Performance Problem in Simulink (why is it slower than matlab?)
I have compared Solutions to the same ODE in matlab and simulink. Simulink took 7.6 sec. while ode15s in matlab took 1.4 sec. to...

6 years 前 | 1 个回答 | 0

1

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提问


Finding peak from plot of data points
I want to find the peaks (max. points) in each plot (two plots) inside a figure i attached then find the difference in time (x-a...

10 years 前 | 1 个回答 | 0

1

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