Answered
Data set for papaya fruit
https://www.google.com/search?q=papaya+dataset

4 years ago | 0

Answered
Change xaxis from numbers to dates
x = 1:8760; y = x+5; figure() % plot(x,y) dt = datetime(2019,1,1,x-1,0,0); dt([1 end]) plot(dt,y) set(gca(),'XTick',datet...

4 years ago | 1

| accepted

Answered
4x1 Matrix of text from dynamic variables
Try this: Text = textscan(FID, '%s'); MatrixT1 = Text{1}([2 7 12 17])

4 years ago | 0

Answered
Invalid Subscript for Y, the table variable must be numeric array
First and Second are tables. Use curly braces {} rather than parentheses () to get the data out of a table: A = table([1;2;3;4;...

4 years ago | 5

| accepted

Answered
Generating color map for a 3d grid
X = 1:10; Y = 1:10; Z = 1:10; Values = rand(10,10,10); % 16-color jet colormap cmap = jet(16); NC = size(cmap,1); % s...

4 years ago | 0

| accepted

Answered
I want to display a bar plot.
Something like this would work, for the bars: data = randi([3 6],120,1); colors = [ ... 61 99 89; ... 66 145 128; .....

4 years ago | 1

| accepted

Answered
How can I place one row value from a column vector onto every 3rd column on a row vector, with the empty values to display zero?
A = [1;2;3;4;5;6;7;8]; If you want B to end with [ ... 0 0 8 0 0 ] B = zeros(1,3*numel(A)); B(1:3:end) = A; disp(B) Or: B ...

4 years ago | 0

| accepted

Answered
add a moving image over a plotted trajectory
Something like this? x = 0:pi/100:2*pi; y = sin(x); figure(); plot(x, y); hold on xlim([0 2*pi]); ylim([-1 1]); I = ...

4 years ago | 1

Answered
Plot all polyshapes in cell array
You could use cellfun: cellfun(@(x)plot(x(:,1),x(:,2)),D); That's more concise, I guess, but it also may be less clear than th...

4 years ago | 0

| accepted

Answered
I am connecting a photointerrupter to an arduino that generates digital output (HIGH and LOW) but I don't know how display that on a text box on GUI.
edit2_Callback is the function that is executed when the editable text object handles.edit2 is interacted with by the user, so t...

4 years ago | 1

| accepted

Answered
Why does it give an error?
B, f, and V9 need to be passed to meshgrid as three separate arguments, separated by commas: B=[3.0000 4.0000 5.0000 6...

4 years ago | 0

Answered
Plot gain vs frequency (GUI)
If you have the Control System Toolbox or the System Identification Toolbox, you can try using bodeplot instead of bode, which w...

4 years ago | 1

| accepted

Answered
Number of rows for given y
M = randi(10,9,2) % random 9-by-2 matrix of integers between 1 and 10 y = 6; % y value to find in the second column of M nnz...

4 years ago | 1

| accepted

Answered
How to assign the color intervals while using the jet color chart?
If, by "modify the interval between" colors, you mean "use different" colors, then yes. You can use Any Colour(s) You Like. Perh...

4 years ago | 0

| accepted

Answered
How to find the position of a given vector A in a matrix M when the size of vector A is smaller than the columns of that matrix?
Here's one way, assuming you want to match A or its reverse and that the elements have to be contiguous: M = [46 58 50 46 41 4...

4 years ago | 0

| accepted

Answered
how to Initialize the starting point for region growth.
"only the point (x,y) is at “1” and the rest of the image is at “0”. knowing that the x coordinate indicates the column number a...

4 years ago | 0

| accepted

Answered
Need help with generating an echo for an Audio signal
Avoid cutting off the echo, i.e., use y instead of y(1:end-delay) %Definding the echo delay = 10000 Z = zeros(delay,1); % Yn...

4 years ago | 0

| accepted

Answered
how to mirror plot "around zero" on x axis
t = 0:0.1:50; y = sin(2*pi*t/10)+0.005*t.*randn(1,numel(t)); % some random signal plot(t,y) % original signal hold on plot(-...

4 years ago | 1

| accepted

Answered
Why do I get more error bars than I defined?
error is a 1-by-284 vector (going by the .fig file) whose elements are all 0 except at indices 40, 80, 120, 160, 200, 240, and 2...

4 years ago | 0

Answered
the capacitor_value is returning Nan
In the switch block, R is set to a double already, so it is not correct to do str2double after that. In fact, doing so makes R i...

4 years ago | 0

| accepted

Answered
Calculate daily values from cumulative values
You can simplify your calculations of state_cases_d and state_deaths_d by using the diff function: load ('cumul_variables.mat')...

4 years ago | 0

| accepted

Answered
How to store values in the following if loop?
The cause of the error is attempting to set A1(0). Indexing in MATLAB starts with 1, not 0, so initialize counter to be 1. (Als...

4 years ago | 1

| accepted

Answered
Using a for loop to iterate over the elements of the initial matrix and keep just the ones in the diagonal
I think you are understanding the loops correctly. I think the misunderstanding is due to the fact that Adiag still exists when ...

4 years ago | 0

| accepted

Answered
Trouble graphing. My function is not appearing.
Use element-wise division (./). With matrix division (/) y is a scalar, and plotting a scalar y vs a vector x creates one line ...

4 years ago | 1

Answered
I want to change the backgroung color of my plots.
Is something like this what you mean? colors = [1 0 0; 0 0 1; 1 1 0]; thresholds = [1 2]; figure() subplot(2,1,1) x = 0:0...

4 years ago | 1

| accepted

Answered
Show tick marks/grid/axes on top of plot
Here's a start, maybe. You can find other PolarAxes properties you might need to tweak, and fine-tune them similarly. polarscat...

4 years ago | 1

| accepted

Answered
how to code i included in A
Maybe you can use ismember. (Here I'm using ii to avoid ambiguity with the imaginary unit 1i, a.k.a., i.) ii = 3; A = [1 2 3 4...

4 years ago | 0

| accepted

Answered
y axis value representation on figure
yyaxis left plot(0:1000:50000) yyaxis right plot(400000000:-10000000:0) set(get(gca(),'YAxis'),'Exponent',0,'TickLabelForm...

4 years ago | 1

| accepted

Answered
How to receive a function in MATLAB app DESIGNER given by user in edit field?
Something like this would work for functions of one variable, which is always called 'x' % user inputs: str = 'x^2+2^x+3'; % f...

4 years ago | 0

| accepted

Answered
Calling function without specifying name
app.allimages{row,coll}.ImageClickedFcn

4 years ago | 0

| accepted