Risposto
Signal Decomposition for a mixed signal
t=0:0.00001:0.3; x1=(exp(-3*t)).*(0.2*sin(2*pi*400*t)); x2=1.2+(exp(-1.5*t)).*(1.1*sin(2*pi*40*t+pi/6)); x3=(exp(-5*t)).*(0.8...

oltre 4 anni fa | 0

| accettato

Risposto
Hi I am having a hard time using the getfield. It says there is an error.
lat = getfield(latStruct,latField{1});

oltre 4 anni fa | 0

Risposto
Index exceeds matrix dimensions
I tried this, it worked fine. No error: date_start = "2015-01-01"; date_end = "2019-10-01"; char_date_start= char(date_start)...

oltre 4 anni fa | 0

Risposto
Force nodes to my graph
plot(digraph(o,d,[],24))

oltre 4 anni fa | 0

| accettato

Risposto
how can I creat a matrix of all possible combinations of zero and ones across eight digits.
decimalVector= [0:1:(2^8)-1]'; binaryMatrix = de2bi(decimalVector);

oltre 4 anni fa | 2

Risposto
Exporting model to classify new data
1.Save: (assuming you want to save/export each classifier in separate files) use save(). 2. ROC curve: use perfcurve() and plot...

oltre 4 anni fa | 1

| accettato

Risposto
IFFT of Convolution equivalence
Sorry for the confusion. Here is what I tried: a1 = randi(50,8,1); b1 = randi(50,8,1); x = complex(a1,b1) a2 = randi(50,8,1)...

oltre 4 anni fa | 1

| accettato

Risposto
Turning a matrix into a vector issue where it truncates (easy question)
finalMessage = reshape(messageSymbolsDemod,[],1); % from matrix to vector finalMessage = padarray(finalMessage,16-length(finalM...

oltre 4 anni fa | 0

| accettato

Risposto
sub2ind gives error: Error using sub2ind (line 43) Out of range subscript.
In your code, xs contains negative values, which can't be the column indices. Also, sc is only 1004x1144. But the values of xs ...

oltre 4 anni fa | 0

| accettato

Risposto
()-indexing must appear last in an index expression.
for i=1:1:w for j=2:1:h if (min(Idark(i,j))>= A(i,j-1)) A(i,j)=min(Idark(i,j)); else ...

oltre 4 anni fa | 0

| accettato

Risposto
For loop for a comparing values of a column vector with a value
costs=[Fail]'; costs = repelem(costs,1,length(PM_cyc)); output = zeros(size(costs)); for i = 1:length(PM_cyc) output(fin...

oltre 4 anni fa | 1

| accettato

Risposto
Function to return poisson random variable
random('Poisson',lambda)

oltre 4 anni fa | 0

Risposto
Average histogram of R,G,B histograms
I=imread('Capture.PNG'); [counts1,edges1]=histcounts(I(:,:,1),linspace(0,1,256)); [counts2,edges2]=histcounts(I(:,:,2),linsp...

oltre 4 anni fa | 0

| accettato

Risposto
How can I import dataset in specific range
i=input('Enter a start row: '); j=input('Enter a end row: '); k=input('Enter a start column: '); t=input('Enter a end column:...

oltre 4 anni fa | 0

| accettato

Risposto
matching numbers between variables
GroupZERO(ismember(GroupZERO,outliers))=[]

oltre 4 anni fa | 0

| accettato

Risposto
Logical index multiple columns
I believe you are trying to find the row-indices of A, where the row contains a 1, and then extract those rows from B. In that c...

oltre 4 anni fa | 0

| accettato

Risposto
Empty Matrix with Dynamic Fertility Model
Looks like your indexing is off in some places: simchoice = zeros(1000,20) %Looping for 1000 women for i = 1:1000 ...

oltre 4 anni fa | 0

Risposto
How to plot histogram of difference of two images using MATLAB
histogram(image_of_dif) will plot the histogram showing the distribution of values (both positive and negative differences).

oltre 4 anni fa | 0

| accettato

Risposto
How can I solve this error with MATLAB CODER?
In your example you can certainly preallocate the variable: Conv_out = zeros(1,2*length (Conv_In));

oltre 4 anni fa | 0

| accettato

Risposto
Plotting an equation raised to a variable.
fun1 = a_n(1)*(t.^(n)) .^ is a pointwise (elementwise) operation, that means it operates on arrays of same length or one of the...

oltre 4 anni fa | 0

Risposto
Normality test temperature data
Since linear shift won't affect the distribution, you can shift the data and perform log transformation. %% test data data =...

oltre 4 anni fa | 0

Risposto
how to reverse a string using a FOR loop
Update: myString = "abcdefg"; myChar = char(myString); % using array indexing myNewStr = string(myChar(end:-1:1)); % us...

oltre 4 anni fa | 0

| accettato

Risposto
How do I combine data tables where there are different row lengths?
T1(ismember(table2array(T1(:,1)),table2array(T2)),2) = T2; T1(ismember(table2array(T1(:,1)),table2array(T3)),3) = T3;

oltre 4 anni fa | 1

| accettato

Risposto
SVM classifier on digits dataset
fitcsvm() is not designed to train directly on 28x28 images. You need to extract feature vectors for each image. After feature e...

oltre 4 anni fa | 0

Risposto
How do I the minimum points on a 3D surface diagram (x,y,z) as a function of the x and y variables?
I am assuming your x-axis is phi and y-axis is h: min_phi = min(E,[],1); min_h = min(E,[],2);

oltre 4 anni fa | 1

| accettato

Risposto
How can I get data from histogram ?
I believe you are looking for histcounts() instead of histogram(). [counts, centers] = histcounts(data,'BinWidth',0.005); prob...

oltre 4 anni fa | 1

| accettato

Risposto
How do you plot multiple best fit lines to one graph?
On cftool, you can open new fits for the same data in new tabs. So ... no, not on the same figure. But .. you can save the fit...

oltre 4 anni fa | 0

Risposto
Concatinate 4D Time-Signals
You want to concatenate on the dim which is not same for both, right? Catq1 = cat(1,I1,I2); % OR Catq1 = [I1;I2];

oltre 4 anni fa | 0

| accettato

Risposto
How to get specific data from specified rows and variables in a table?
S = A - Table.Sensitivity(Table.Sensor_type=="COB4_St1")

oltre 4 anni fa | 1

| accettato

Risposto
Truncate a two dim array based on contents of a particular column
N = input('Number of rows: '); A = rand(N,34); A(:,12) = randi([0 3],N,1); % simple version if 12th col only always has 0,1,...

oltre 4 anni fa | 0