Answered
Why does my function not return a figure when there is no error but when there is it returns a figure?
Change h = polarhistogram (deg2rad(x),deg2rad(y); to h = polarhistogram(deg2rad(x), deg2rad(y));

4 days ago | 0

Answered
Time arithmetic (no dates)
tdiff = (hours(4)+minutes(30)) - (hours(2) + minutes(45)) [h, m, s] = hms(tdiff)

4 days ago | 2

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Answered
Can anyone please help me out to obtain frequency Modulated wave from a Phase Modulator using pmmod function in matlab?
fs = 50; t = (0:2*fs+1)'/fs; x = sin(2*pi*t) + sin(4*pi*t); fc = 10; phasedev = pi/2; tx = pmmod(x,fc,fs,phasedev); ...

4 days ago | 0

Answered
its ask to prelocate speed on p line. why?
Why? In most circumstances, MATLAB does not examine the context to figure out how many iterations of a loop will be done, and s...

4 days ago | 0

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Answered
How to find a proper algorithm to solve this optimal control problem?
You did not say what you wanted to optimzie with respect to. If you wanted to optimize with respect to u, then see solu below. ...

4 days ago | 0

Answered
Unrecognized function or variable 'gca'
Summarizing: gca was being assigned to as a variable. With current versions of MATLAB, if you assign to a variable that has the...

4 days ago | 1

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Answered
I am trying to find values of four constants from four equations. Yet the code is unable to give out values
When I try your code, I get all 0 for the constants. When I go through step by step from the equations, I get the same result...

5 days ago | 0

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Answered
Unrecognized field name in solving symbolic matrix
You did not specify which variables to solve for, and you have more variables than equations. solve() choose variables to solve ...

5 days ago | 0

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Answered
How to fit an uniform distribution to a histogram?
https://www.mathworks.com/help/stats/prctile.html Calculate the 98th prctile of the counts; that corresponds to 2 standard dev...

5 days ago | 0

Answered
Errors while trying to setup equation for root finding.
syms a k_pdo x_pdo x_glycerol z_pdo z_glycerol k_glycerol k_water x_water z_water eqn1 = x_pdo == z_pdo/(1 + a*(k_pdo - 1)); e...

5 days ago | 0

Answered
license of hdl coder
You will need to contact Mathworks for pricing for that particular product. Note: HDL Coder is not available for Student licen...

6 days ago | 0

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Answered
How does Matlab perform large integer modular arithmetics using Symbolic Math Toolbox?
S1 = char(evalin(symengine, 'expose(symobj::powermod)')); S1 = regexprep(S1, '\\n', '\n') S2 = char(evalin(symengine, 'expose(...

6 days ago | 0

Answered
Explanation for : Warning: Integer operands are required for colon operator when used as index. > In welch>localComputeSpectra (line 379)
Your No variable corresponds to the overlap which is required to be a positive integer according to the documentation. However w...

6 days ago | 0

Answered
Is this a bug? different results when performing simple math operation (A * (B - C)) with scalars or variables
If you use format long g you will see that ptfDur is not exactly the same as the constant 4.5501 . For example, test ptfDur -...

6 days ago | 1

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Answered
How to stop result being rounded - Symbolic mathematics
No problems here. syms t positive %Describe the voltage and current functions v=(10000*t+5)*exp(-400*t); i=(40*t+0.05)*exp(-...

6 days ago | 0

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Answered
Matlab getting stuck , no output
function [hist,searchdir] = runfmincon hist.x = []; hist.fval = []; searchdir = []; x0 = [0.3 0.02 0.2]; lb = [0.2 0.0...

6 days ago | 0

Answered
Save Figure Using First Subplot Name
FigName = ax(end).Title.String; The first axes created in the figure will be the last axes object in Children order (unle...

6 days ago | 0

Answered
Android project directory path name exceeds the 119 character
Quit MATLAB (for the moment) Rename C:\Users\Guilherme\Documents\MATLAB to a shorter name, such as C:\Users\Guilherme\Documents...

6 days ago | 0

Answered
how do i automatically select the kernel size like 5*5, 7*7... instead of the 3*3 in the code below
window_size = randi([2 6]) * 2 - 1 hws = (window_size - 1)/2; es = imread('cameraman.tif'); assert(ndims(es) == 2, 'Grays...

6 days ago | 0

Answered
I am a beginner-level programmer. Kindly help me to count the number of images from multiple folders at once
dinfo = dir(fullfile('*', '*.jpg')); folders = {dinfo.folder}; [~, basefolder] = fileparts(folders); [G, folder_name] = findg...

7 days ago | 0

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Answered
How can I define bin edges for histogram?
edges = linspace(40, 80, 8+1)

7 days ago | 0

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Answered
program is not showing graph
You have function y=f(x,theta) You are passing in a variable named x k0=(2*pi/0.6328)*1e6; That's a value in the millions n...

7 days ago | 0

Answered
What would be the MatLab code to get the output from the input image?.
colidx = sum(cumprod(~cellfun(@isempty, INPUT), 2),2) + 1; OUTPUT = INPUT(sub2ind(size(INPUT), 1:size(INPUT,1), colidx)); This...

7 days ago | 0

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Answered
MATLAB Curve fitting with custom equation (max/min)
You can bind it in using an anonymous function; http://www.mathworks.com/help/matlab/math/parameterizing-functions.html However...

7 days ago | 0

Answered
pop-up menu (GUI,guide)
Before if mainList=='temperature' if innerList1=='Celsius' if innerList2=='Fahrenheit' insert mainList_options ...

7 days ago | 0

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Answered
How can we continuously save the mouse tracking positions with respect to time in workspace
https://matlab.fandom.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.28s.29.3F

7 days ago | 0

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Answered
Reformat table with a column as a top row
You can get the Tvalue / PValue to be the same by making each variable in the table be a table itself. However, there is no way...

7 days ago | 0

Answered
Error in using eval statement
Asking how to use eval without problems is like asking how to use a chainsaw without its chain guard. It would be irresponsible ...

7 days ago | 0

Answered
Images merging using matlab
orig_filename = 'https://www.mathworks.com/matlabcentral/answers/uploaded_files/858715/CXR00000001.png'; roi_filename = 'https:...

7 days ago | 1

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Answered
how can I solve this error in this code?
opt_apt appears to be part of the File Exchange Contribution https://www.mathworks.com/matlabcentral/fileexchange/60874-fotf-too...

7 days ago | 0

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