Risposto
How to find area enclosed between two curves?
i don't think the code you include in your question content related to what you want. you have to vector, which are values of y...

12 mesi fa | 0

Risposto
How can I use images which have different size for CNN?
except some special cases, there is a limitation for forwarding different size arrays toward a CNN. after images pass the convol...

12 mesi fa | 0

| accettato

Risposto
Solve the partial differential equation using Crank-Nicolson method.
Hi. you forget to put index in x vector in line 70, in equation you calculate Ur. that's the error. Ur(i,j) = 0.5*erfc(0.5*(x(...

12 mesi fa | 0

| accettato

Risposto
Convert Python code (loop) to MATLAB
it depend on what class you want folds be. (an array, a cell , ... ) for example if all elements in list have same lenght, here...

12 mesi fa | 0

| accettato

Risposto
Why is the eigenvalue a column of zeroes
for the system , is technically a solution. you should search for non-trivial solution. for this you should create null space ...

12 mesi fa | 0

Risposto
How to perform symbolic integration?
it doesn't seems your function has a clear close form primitive function. (or at least it is not easy for matlab symbolic toolbo...

12 mesi fa | 0

| accettato

Risposto
How to keep GUI interface on top？
after the line that you open a file selector (uigetimagefile for example), use this: figure(FIGURE); it will bring up your GUI...

12 mesi fa | 0

| accettato

Risposto
Extracting a section of data with conditions/limits
altitude = [0; 1; 2; 3; 4; 5]; time = ['08:05'; '08:06'; '08:07'; '08:08'; '08:09'; '08:10']; hours = str2num(time(:,1:2)); m...

12 mesi fa | 0

| accettato

Risposto
Neural Network: Custom Loss Function: Minimize Range/Amplitude
From 2021a version, Matlab allows you to define and use customize data, layer, training loop, network and in as you need loss fu...

12 mesi fa | 1

| accettato

Risposto
How to find the indices of similar arrays
The function unique return both unique array of input array and the indexes of original array in unique array. for example : A...

12 mesi fa | 0

Risposto
how to make loop to save value in excel without overwrite with the previous value filled?
for problem you mentioned maybe use writematrix function instead, and use option 'WriteMode' = 'append'. writematrix(DATAR,file...

12 mesi fa | 0

Risposto
How to create a box label datastore?
you can easily create and edit a cell. then convert it to table. here is an example: boxes = cell(10,2); %number of images x 2...

12 mesi fa | 1

| accettato

Risposto
How can I plot three 2D functions in one 3D graph?
a simple way i thing is using plot3: plot3 function, plot a curve in 3D space. if you set all values of one component 0. the cu...

12 mesi fa | 2

| accettato

Risposto
How can I fit a lower tail distribution for the lower 25% of the data?
Hi. here's a quick example: %X = zeros(1000,1); % Create data X = normrnd(2,1.5,1000,1); X_sort = sort(X); % sort data by t...

12 mesi fa | 0

| accettato

Risposto
unable to optimise the following using linprog
HI. here's how you should do it: First i create a sample database for my self to use as parameters: (i use 100 points in 4D fea...

12 mesi fa | 1

| accettato

Risposto
How can I create nested pie/doughnuts chart?
this might be useful: https://www.mathworks.com/matlabcentral/fileexchange/56833-donut but it's a lot simpler than charts in y...

12 mesi fa | 2

| accettato

Risposto
Error using plot Data must be numeric, datetime, duration or an array convertible to double.
f is a symbolic expression not a function or vector. you can create a function with this expression, then plot the value of func...

12 mesi fa | 1

| accettato

Risposto
How can I detect a triangle in my image?
Hi. in case your problem is exactly what you attached. here is an easy solution i can provide: I = imread('image.jpeg'); %read ...

circa un anno fa | 0

Risposto
How can I solve an Optimization problem?
you can use fmincon, this function minimize function in a constraint problem. but only constraint here is bounds of lambda. so o...

circa un anno fa | 0

Risposto
input layer and flatten mismatch
The Flatten layer support sequence input only. [1] As i understand from your network architechture you don't need Flatten Layer...

circa un anno fa | 0

| accettato

Risposto
Optimize a function with a sum of series
Hi , you don't need necessarily symboilic functionality for this problem. here is a simple solution. (you can run it in single ....

circa un anno fa | 0

| accettato

Risposto
ResNet-50 training problem
this note is from official MATLAB documentation for trainingOptions , i think it's exactly what you're looking for. "When t...

circa un anno fa | 0

| accettato

Risposto
How to convert text file to string?
use fscan or fread F = fopen('Untitled.txt'); Text = fscanf(F,'%c')

circa un anno fa | 1

| accettato

Risposto
Solving a nonlinear equation
the eqn as you defined is a vector-value multi-variable function. fzero takes a scalar-value single-variable function. so maybe...

circa un anno fa | 0

| accettato

Risposto
if statement is not working
the condition theta >= 41.19 & theta <= 90 is a logical vector with 20 values. if you want to calculate such a formula for those...

circa un anno fa | 0

Risposto
Interp1 returns NaN for all values
According to documentation of interp1. the function returns NaN for points outside the domain. so check V and See if it's point ...

circa un anno fa | 0

| accettato

Risposto
A problem using the app designer
in PlotFitButtonPushed function which you plot your graphs, by using figure you create new figure out of your app.UIFigure. use ...

circa un anno fa | 0

| accettato

Risposto
How can I get the hessian matrix of a set of several functions?
The Hessian is officially defined for scalar value functions. depend on what application you want to use hessian, you may define...

circa un anno fa | 2

Risposto
Find the nonlinear equation
If you have a form of equations they should obey you should try fit that function on your data. you can use eather fit functions...

circa un anno fa | 0

Risposto
Integration of a function multiplied by an array
your y2 function return Array for every single number as it's input. syms x y1 = linspace(0,1,10); y2 = @(x) x.*y1; y2(1) a...

circa un anno fa | 0

| accettato