Answered
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...

3 meses ago | 1

| accepted

Answered
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...

3 meses ago | 1

| accepted

Answered
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 ...

5 meses ago | 0

Answered
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...

5 meses ago | 0

Answered
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...

5 meses ago | 0

| accepted

Answered
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 ....

5 meses ago | 0

| accepted

Answered
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...

5 meses ago | 0

| accepted

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

6 meses ago | 0

| accepted

Answered
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...

6 meses ago | 0

| accepted

Answered
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...

6 meses ago | 0

Answered
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 ...

6 meses ago | 0

| accepted

Answered
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 ...

6 meses ago | 0

| accepted

Answered
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...

6 meses ago | 2

Answered
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...

6 meses ago | 0

Answered
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...

6 meses ago | 0

| accepted

Answered
How to use sigmoid layer?
The Classification Layer assign a Class to highest probability using cross-entropy loss. so the output of the layer before class...

6 meses ago | 0

Answered
Can someone help me understand this code?
function throwAgain=MCO_throwAgain() define a function named MCO_thorAgain with no input and one output as throwAgain die=1; ...

6 meses ago | 1

Answered
Finding correlation between two row matrices
Use fitlm function. it report you the R-squared value. and fit the linear model. example: x=1:0.1:10; y=exp(x); Fitted_model...

6 meses ago | 0

Answered
Write a function called sum_rows
sum function get dim (dimension which summuation operate on it) as second arguments. so just use : sum(A,2) a function : fun...

6 meses ago | 0

Answered
Comparisons between string and double are not supported.
in your code nettotrain is eather "YOLOv2" or "SSD", but in training process and preprocessData function and some other lines yo...

6 meses ago | 0

| accepted

Answered
vectorization my user defined function
a simple quick solution is : time =[5,10;3,5;5,3;5,7;3,5]; cost =[6,3;4,3;7,10;10,5;14,9]; x=[1 1 1 1 1;2 2 2 2 2;1 2 1 2 1];...

6 meses ago | 1

| accepted

Answered
How to use deep learning for interpolation properly
Hi, The Sin(x) function is a complete nonlinear function, on the other hand your network is too simple to handle such a nonlin...

6 meses ago | 1

| accepted

Answered
Calling function from another .m file
type this in your script: function A = stringorder(A) [M,N]=size(A); for i = 1:M-1 for j = 1:M-1 curr = A(j); ...

8 meses ago | 0

Answered
Resnet50 pretrained network?
i think you have connection issue to Matlab add-on Explorer. if no solution works, you can download the model from matlab github...

8 meses ago | 0

Answered
Issues with contour plot of f(x, y) = x/y.
those lines are not y=0. those are continues of the contour lines around the region for your given values. near y=0, z goes to +...

9 meses ago | 1

Answered
Gauss- Seidel Error tolerance
you have an unclear statement in while.after first iteration the err is 3x1 vector and tol is a scalar. change the statement to...

9 meses ago | 1

Answered
Finding the minimum cost of a matrix
If i get that right, you have an assignment task. so you want to solve this : your constraint should be : which i repres...

9 meses ago | 1

| accepted

Answered
Get path from running app
if you mean path of location which the app comes up, can't you just use pwd? i use it before in StartupFcn. and it work correct...

9 meses ago | 0

| accepted

Answered
How to use dlgradient for computing second derivative?
Hi, You are using dlgradient wrong, first agument of dlgradient should be scalar. after 1 gradient from y respect to x. gradient...

9 meses ago | 0

| accepted

Answered
What is the UB and LB in the following solver based approch optimisation question
your upper bound is infinity , lower bound is zeros: f = [2;3;2;-1;1]; Aeq = [3 -3 4 2 -1;1 1 1 3 1]; beq = [0;2]; lb = zer...

9 meses ago | 0