Answered
How to see if characters are present in a string array.
You could use multiple contains() tests. But I suggest that instead you do something like ismember(sort(char(InputSeq)), cell...

4 days ago | 0

Answered
I had a problem with the following code. The error says that there are "too many input arguments". I know that the problem is from the fsolve equation but I can't to solve it.
theta34(:,i) = fsolve(@position, [1 1],options,th)*180/pi; That th after the options struct will be interpreted according to a ...

4 days ago | 0

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How to avoid introducing abs( ) when simplifying expressions using the symbolic toolbox ?
%% Problem 6.4 syms x y x_dot y_dot assume(x,'real'); assume(y, 'real'); assume(x_dot, 'real'); assume(y_dot, 'real'); %...

5 days ago | 0

Answered
Can my x-axis have varying scales for certain ranges of values?
Is it possible to scale my x-axis so the intervals are spread further apart from each other for more time-sensitive data and clo...

5 days ago | 0

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Trying to create neural network but getting a NaN error from dataset
net = trainNetwork(train_X1, string(Y1), layers, options); However: Error using trainNetwork (line 184) The training sequence...

5 days ago | 0

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Answered
Why won't my plot graph a line?
A for loop assigns the loop control variable each column of the expression in turn. After the loop it has the last value it was ...

5 days ago | 0

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I need to loop this operation and store them in a matrix
stainless_steel() function stainless_steel(~,~,~) T_i = [0 0 12.5 25 37.5 50 0]; k = 0.0162; cp = 0.5; ...

5 days ago | 1

Answered
Integral a function handle of two variables with respect to a variable
f = @(x, y) x+y; g = @(x) integral(@(y) f(x,y), 0, 1, 'arrayvalued', true) t = (0:0.1:1); g(t)

5 days ago | 1

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Answered
I have a .csv file with a list of numbers, what code can I use to check if an inputted number exists in that file.
readtable(). ismember() the appropriate column of the table.

5 days ago | 0

Answered
Creating a plot that changes colour as the month changes
https://www.mathworks.com/matlabcentral/fileexchange/19476-colored-line-or-scatter-plot https://www.mathworks.com/matlabcentra...

5 days ago | 0

Answered
Open to feedback of working code (please review)
if abs(error)<=tol, break;end That only breaks out of one level of for loop. Suppose you get convergence at i = 2, j =...

5 days ago | 0

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Answered
Pcolor Error: Matrix Dimensions Must Agree
pcolor takes x then y. x corresponds to columns. You have 13 columns so your x needs to be length 13

5 days ago | 0

Answered
Error: Dot indexing is not supported for variables of this type.
Feature_Learner = net.Layers(175).Name That already includes the Name component, but in the next line you try to take the Nam...

5 days ago | 0

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Answered
How to make imshow function faster in the for loop?
To make imshow() faster... Don't call imshow() Seriously: imshow() has a lot of overhead. Instead, call image() once and reco...

5 days ago | 1

Answered
Unable to convert expression into double array, in Gamultiobj
Use matlabFunction() to convert yy to a numeric function. Be sure to use the 'vars' option to bundle all of the inputs into a si...

6 days ago | 0

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Answered
Optimization problem with lower and upper bounded constraints
clc; clear x = optimvar('x',10,'UpperBound',[2000;16000;120;5000;2000;93;95;12;4;162],"LowerBound",[0;0;0;0;0;85;90;3;0.01;145]...

6 days ago | 0

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Answered
Conditional addition of matrix rows?
https://www.mathworks.com/help/matlab/ref/movsum.html#namevaluepairarguments movsum() with 'Endpoints', 'shrink'

6 days ago | 0

Answered
diff function can not be used for a timeseries variable ver 2019b
That code is not expecting a timeseries object to be passed in: it is expecting a vector of times as the first parameter, and a ...

6 days ago | 0

Answered
Genetic Algorithm functions unrecognized
After line 201 nueva2=nueva1; there should be an end statement before the next line function [nueva]= selection(poblaci...

6 days ago | 0

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Numeric column not read as string with readtable on XLS file
Excel stores "general numbers" in .xls files as binary floating point ("XNUM"), not as text. You can open the spreadsheet and ...

6 days ago | 0

Answered
I want help in writing a matlab code so that I wouldn't have to manually input the various steps as I have shown below. Thanks
Unfortunately, someone who was not familiar with the field would have little idea what is going on. What is K -- is that spring ...

6 days ago | 0

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Storing small numbers and logarithms.
Depending on your range of values and your accuracy needs, you could try a double taylor approximation. syms a b positive E = ...

6 days ago | 1

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Insert blank cells in a matrix
You cannot do that. Numeric matrices cannot have spaces in them. You can convert the matrix into a cell array and put spaces in...

6 days ago | 0

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Answered
How to read image one by one from folder and make prediction save it in CSV format
net = load('11ClassesResnet.mat') net=net.trainednet inputSize = net.Layers(1).InputSize; path_directory='C...

6 days ago | 0

Answered
How to display "serial device connected" or "not connected"?
serialportlist('available') can tell you whether the port of interest is "available" serialport() objects appear to try to open...

6 days ago | 0

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Answered
Question regarding arranging matrix values
circshift()

6 days ago | 0

Answered
Unspecified behaviour of function imag.
This will not affect your code. You are encountering Command/Function Duality https://www.mathworks.com/help/matlab/matlab_prog...

6 days ago | 0

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Answered
How to solve this error when I use fmincon?
if (M(end) >= (Trigger * N)) && ~alreadyCalled % triggering level % Calling for the very first time if we ...

6 days ago | 0

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Answered
why The name 'Parent' is not an accessible property for an instance of class 'matlab.graphics.GraphicsPlaceholder'?
Put a breakpoint in at the begining of the sequence of statements where h() is assigned to, the series h(1) = surface(x,y,z,'Fa...

6 days ago | 0

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Answered
Variable change should not affect during loop execution?
Function for variable = 1 : number_of_iterations original_a = a; original_b = b; if (condition) ...

6 days ago | 0

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