Answered

Invalid training data. The output size (7) of the last layer does not match the number of classes (10).

This is because of this part of the setcat_and_table_to_cell function validcats = string(0:9); % define valid labels for catego...

Invalid training data. The output size (7) of the last layer does not match the number of classes (10).

This is because of this part of the setcat_and_table_to_cell function validcats = string(0:9); % define valid labels for catego...

3 days ago | 0

| accepted

Answered

Accessing a structure from its field value? Going from field value backwards to structure index.

I would suggest instead of defining a patient class to store information, you store the patient information in a table. That is...

Accessing a structure from its field value? Going from field value backwards to structure index.

I would suggest instead of defining a patient class to store information, you store the patient information in a table. That is...

10 days ago | 0

Answered

Why I cannot get rid of Nan columns

The issue is in the if statements. You are doing a vector comparison, which will return a logical vector. If statement requires...

Why I cannot get rid of Nan columns

The issue is in the if statements. You are doing a vector comparison, which will return a logical vector. If statement requires...

11 days ago | 0

Answered

How to output and name variables generated in 'for' loop into workspace.

You can store the values in a cell array. Edited portion of your code if true Signal{i} = Amp * sin(2*pi*Frequency*t)...

How to output and name variables generated in 'for' loop into workspace.

You can store the values in a cell array. Edited portion of your code if true Signal{i} = Amp * sin(2*pi*Frequency*t)...

15 days ago | 0

Answered

How do I check if an entire array matches the elements of another array (different size)?

What you need is the ismember function. if true [Lia,Locb] = ismember(person1, person2); Allperson1inperson2 = all(L...

How do I check if an entire array matches the elements of another array (different size)?

What you need is the ismember function. if true [Lia,Locb] = ismember(person1, person2); Allperson1inperson2 = all(L...

15 days ago | 0

Answered

Accessing elements of lists within lists

In Matlab cell arrays are the only type that can store heterogeneous data. Just change the outside [] to {} if you want to have...

Accessing elements of lists within lists

In Matlab cell arrays are the only type that can store heterogeneous data. Just change the outside [] to {} if you want to have...

15 days ago | 0

| accepted

Answered

Stacked histogram or Stacked bar

You can try the following edges=[0 300 700 1200 2300 Inf]; %redefine the edges [N,edges] = histcounts(GTDF,edges); N = N./sum...

Stacked histogram or Stacked bar

You can try the following edges=[0 300 700 1200 2300 Inf]; %redefine the edges [N,edges] = histcounts(GTDF,edges); N = N./sum...

16 days ago | 0

| accepted

Solved

Decimation - Optimized for speed

This problem is similar to http://www.mathworks.com/matlabcentral/cody/problems/1092-decimation, only this time the score will b...

16 days ago

Solved

Determine the number of odd integers in a vector

Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

16 days ago

Solved

Reference Index Number

Given a reference set R of elements (each unique but identical in type), and a list V of elements drawn from the set R, possibly...

16 days ago

Solved

Insert zeros into vector

Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

16 days ago

Solved

Decimation

When dealing to the Roman Army, the term decimate meant that the entire unit would be broken up into groups of ten soldiers, and...

16 days ago

Solved

Change the sign of even index entries of the reversed vector

change the signs of the even index entries of the reversed vector example 1 vec = [4 -1 -2 9] ans = [9 2 -1 -4] example2...

16 days ago

Solved

Unique values without using UNIQUE function

You must return unique values in a vector in *stable* mode without using the unique function. About stable order flag: ...

16 days ago

Solved

Set a diagonal

Given a matrix M, row vector v of appropriate length, and diagonal index d (where 0 indicates the main diagonal and off-diagonal...

16 days ago

Solved

Create a vector whose elements depend on the previous element

The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...

16 days ago

Solved

Max index of 3D array

Given a three dimensional array M(m,n,p) write a code that finds the three coordinates x,y,z of the Maximum value. Example ...

16 days ago

Solved

Finding peaks

Find the peak values in the signal. The peak value is defined as the local maxima. For example, x= [1 12 3 2 7 0 3 1 19 7]; ...

16 days ago

Solved

Find nth maximum

Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

16 days ago

Solved

Create an index-powered vector

Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

16 days ago

Solved

Oh Zero Zero Zero!!!

Hello all, So you have to find the largest section of zeros in a vector and then find the length of those zeros and there start...

16 days ago

Answered

Convert data from minutes to hourly average

If your data is in timetable / table format. You can use the groupsummary to summarise your data into any intervals. a = groups...

Convert data from minutes to hourly average

If your data is in timetable / table format. You can use the groupsummary to summarise your data into any intervals. a = groups...

16 days ago | 0

Answered

Multiple callbacks to one callback

You can assign the same function as callback to multiple ui components. Inside you function you will need to be able to access ...

Multiple callbacks to one callback

You can assign the same function as callback to multiple ui components. Inside you function you will need to be able to access ...

16 days ago | 0

| accepted

Answered

How to convert selected image to gray scale using MATLAB GUI

Before you can process the image, you need to load it using imread. Also it's a bad idea to directly concatenate file paths. Fo...

How to convert selected image to gray scale using MATLAB GUI

Before you can process the image, you need to load it using imread. Also it's a bad idea to directly concatenate file paths. Fo...

17 days ago | 0

Answered

How can I get the exact plots mentioned in the figure below

You can start here N = 50; O = 10*randn(2,10*N); tiledlayout(2,5); for i = 1:10 ax = nexttile; X = 10*randn(2,64); % gener...

How can I get the exact plots mentioned in the figure below

You can start here N = 50; O = 10*randn(2,10*N); tiledlayout(2,5); for i = 1:10 ax = nexttile; X = 10*randn(2,64); % gener...

17 days ago | 0

Answered

Is it possible to use Arrayfun across rows

Something like this will work. i = [false; A.Var1(1:end-1) == A.Var1(2:end)]; j = find(i); A.Var3(i) = A.Var2(j) .* A.Var2(j-...

Is it possible to use Arrayfun across rows

Something like this will work. i = [false; A.Var1(1:end-1) == A.Var1(2:end)]; j = find(i); A.Var3(i) = A.Var2(j) .* A.Var2(j-...

18 days ago | 0

Solved

Find last zero for each column

Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...

18 days ago

Solved

Count consecutive 0's in between values of 1

So you have some vector that contains 1's and 0's, and the goal is to return a vector that gives the number of 0's between each ...

18 days ago

Solved

Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)

For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...

18 days ago

Solved

Symmetry of vector

Determine whether the vector is symmetric or not (vector could be even or odd in length). For example: x = [1 2 3 3 2 1] ...

18 days ago