Question

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?...

1 year ago | 2 answers | 0

Answered

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...

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...

2 years ago | 0

Answered

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...

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...

2 years ago | 0

Question

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 ...

2 years ago | 2 answers | 0

Question

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; ...

2 years ago | 1 answer | 0

Answered

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 ...

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 ...

2 years ago | 0

Question

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' ...

2 years ago | 3 answers | 0

Question

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...

2 years ago | 2 answers | 0

Question

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...

2 years ago | 1 answer | 0

Question

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...

2 years ago | 1 answer | 0

Question

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...

2 years ago | 1 answer | 0

Answered

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...

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...

2 years ago | 0

Question

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...

2 years ago | 2 answers | 0

Question

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' ...

2 years ago | 1 answer | 0

Question

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' ...

2 years ago | 1 answer | 0

Question

Why there is no space after the equal sign? (fprintf)

fprintf('%s \n',strcat('s',' = ','1000',';')); Output: s =1000; Desired: s = 1000;

2 years ago | 2 answers | 0

Question

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. ...

2 years ago | 1 answer | 0

Question

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...

2 years ago | 1 answer | 0

Answered

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...

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...

2 years ago | 0

| accepted

Answered

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...

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...

2 years ago | 0

| accepted

Answered

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...

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...

2 years ago | 1

| accepted

Answered

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]...

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]...

2 years ago | 0

| accepted

Question

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...

2 years ago | 1 answer | 0

Answered

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...

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...

2 years ago | 0

| accepted

Question

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 ...

2 years ago | 1 answer | 0

Answered

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' '...

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' '...

2 years ago | 1

| accepted

Answered

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...

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...

2 years ago | 1

| accepted

Question

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...

2 years ago | 1 answer | 0

Question

Using image processing tool measure the angle

UsingMATLAB image processingtool, measure the angle between the connections for the following figures. <</matlabcentral/...

2 years ago | 4 answers | 0

Question

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...

2 years ago | 1 answer | 0