Answered
Undefined function 'sqrt' for input arguments of type 'char'.
cwt(bigcircle_ant2_data,'amor',1); %produce plot-morlet You are using the calling syntax for newer versions of cwt...

2 days ago | 0

Answered
C = union( A,B ) is too slow. Is there any faster way given that A and B are ordered.
The faster way would involve writing some mex code. There is an undocumented internal binary search routine, but calling it repe...

2 days ago | 0

Answered
What type of error is this?
You accidentally save()'d variables on top of a code file. The code is gone. But you might be able to get something useful fr...

2 days ago | 0

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Answered
Function implementation matlab language
https://www.mathworks.com/matlabcentral/answers/576745-shifting-handling-in-matlab-with-for-loop#answer_476968

2 days ago | 0

Answered
Can I run eigs on a GPU?
eigs really is not supported. https://www.mathworks.com/matlabcentral/answers/572377-accelerate-eigs-with-gpu#answer_472900

2 days ago | 1

Answered
C code generation symbols not found linker error
https://www.mathworks.com/help/images/ref/imadjust.html#bvm6s9t-1 imadjust generates code that depends upon a shared library t...

3 days ago | 0

Answered
calculating error while averaging multiple images
Do you want the average of the R, G, and B separately for each image? Are you asking for averages to be taken over time for ea...

3 days ago | 0

Answered
Is there a way to get the max memory used when I run my script?
https://www.mathworks.com/matlabcentral/answers/214247-allocated-freed-self-memory-and-peak-memory-in-profiler

3 days ago | 0

Answered
how to use datetime(datestr)
Do not try to mix serial data numbers and datetime objects. You can skip most of your problems. t = readtable('data.xlsx'); T...

3 days ago | 0

Answered
ode45 does not solve my second order problem
This has exactly the same problem as before. Your left hand side involves z as a function of x, but your right hand side invol...

3 days ago | 1

Answered
Line Breaks in command window
disp("SPACING"+newline+newline+"CODE") fprintf("SPACING\n\nCODE\n") disp("SPACING");fprintf('\n'); disp("CODE") disp("S...

3 days ago | 0

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Answered
Error read data from HYCOM
Your url has an extra space at the beginning and the end. I deleted them and tried and had no problem.

3 days ago | 0

Answered
How to select a sub square matrix, from a matrix; given the size of the sub square matrix and middle element
use find() with two output arguments to get the row and column of the center. Then use indexing like row-something:row+something...

3 days ago | 0

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Answered
How to calculate flotating point
Supposing that the data is stored in F, then char(compose("%.2f %+.2f", round(real(F),2), round(imag(F),2))) This will produce...

3 days ago | 0

Answered
How to make a a certain range with different color in colorbar
https://www.mathworks.com/matlabcentral/fileexchange/69470-custom-colormap The above function requires that the positions be d...

3 days ago | 1

Answered
'Error - Array indices must be positive integers or logical values
t1 = 0; t2 = 0.04; So t2-t1 is 0.04 - 0 = 0.04 x_2 = v_x1(t2-t1)+x_1 That code attempts to index v_x1 at location t2-t1 whic...

3 days ago | 0

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Answered
How to load library without using mingw64 complier?
See https://www.mathworks.com/matlabcentral/answers/100470-how-do-i-use-loadlibrary-in-a-deployed-program-generated-from-matlab-...

3 days ago | 0

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Answered
Explaination on solving trigonmetric equations for theta.
There are not really two solutions for each theta variable: there are two families of solutions, with the other solutions being ...

3 days ago | 0

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Answered
How do I shift columns (left or right) in a matrix
shift = abs(diff) %left data = [data(:, shift+1:end), zeros(size(data,1),shift)] %right data = [zeros(size(data,1),shift), d...

3 days ago | 0

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Answered
ODE with input a symbolic matrix
If you syms t syms X [1 12] and then apply the body of your function, then Sxd will come out as a 2 x 6 array. However, the o...

3 days ago | 0

Answered
Making a GUI in MATLAB with Drop Down
Generally speaking, when you create a GUI, you have multiple phases: Code that creates the GUI elements and sets all required C...

3 days ago | 0

Answered
Exceptions for using global variables in parfor loops
Is it possible to force Matlab to allow this use? NO If not, is there already a patch allowing it or can it be foresee in a ne...

3 days ago | 0

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Answered
Array indices must be positive integers or logical values. Error in sym/subsref (line 870)
syms x fx_given=input('Input the desired function:'); We can predict from the error message that whatever the user is entering...

3 days ago | 0

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Answered
Correct use of isempty
clc prompt = 'Convert Degree to Radients or Radient to Degree?'; option = input(prompt, 's') switch option case 'DR' ...

3 days ago | 1

Answered
shifting handling in matlab with for loop
function crcReg = calcCRC(crcData, crcReg, CRC16_POLY) for i = 0 : 7 if bitxor( bitshift( bitand(crcReg, 0x8000), ...

3 days ago | 0

Answered
Help with FOR to PARFOR conversion
Every iteration you overwrite all of D. Your result is whatever was assigned in the last iteration. But the order of iterations ...

4 days ago | 0

Answered
Error using sym/subsindex
symbolic variables can never be used as indices. You cannot symsum or symprod and use the control variable as an index. Inste...

4 days ago | 0

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Answered
Make a point move up and down
x = 0:.01:20; %linspace of x y = sin(x); %wave equation px = 0; %initial x plot py = 0; %initial y plot img =imread('AvgBsc...

4 days ago | 0

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Answered
How to generate random numbers with constraints and different boundaries (for a high dimension)?
https://www.mathworks.com/matlabcentral/fileexchange/9700-random-vectors-with-fixed-sum Roger has programmed exactly that.

4 days ago | 0

Answered
if statement not displaying
if (n) >= (3) You are entering 3 ingredients, so n >= 3 is true, so the body of the "if" will be executed. elseif (a(k)) == (1...

4 days ago | 0

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