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Error in displaying the whole matrix

Ther eis probably a 1e6 at the top of the display. You can do 'format bank' to mitigate this if you want or any other format opt...

18 days ago | 0

| accepted

How to update a function with output from another function?

Here is one way iff the required variables are within the state vector 'y', then you can do: %% change ode45 call [t, y] = ode...

21 days ago | 0

slow drawing of a set of points on a plane

In essence for loop are always slower. So try to vectorize your code whereever possible for efficiency, here is a good read. In ...

21 days ago | 0

| accepted

plot magnitude data at location (x,y,z)

Here is one way where you use colors to indicate the magnitude; % random data x = [0:pi/50:10*pi nan]; % nan is added to remov...

22 days ago | 0

Generate the motion (Trajectory) of a sphere (or point) with given velocity value

If you dont care about the actual timing and things, here is one way where the colors of the path indicate the speed and a simpl...

23 days ago | 0

How to generate vector with non-linear spacing?

The answer from another question here: A = 1; B = 5; std = .9; % need to play with this to get desired shape within desired r...

1 month ago | 0

Second Order Laplace solving doesn't work ('Unable to find explicit solution')

Not sure the underlying reason behind it but you are defining the X as a function of s and solve function seems to be having tro...

1 month ago | 0

| accepted

How do I solve system of differentials using ode45 and eom functions

You defined a symbolic variable within your ode function, which is a nono if you wanna solve it numerically :D function ds = e...

1 month ago | 1

| accepted

Solving with ode45 with a solution dependant variable in the ode

No, you should not do it that way. Instead you should create your function properly in a way that represents the equations. It w...

1 month ago | 0

How to display a color bar in Matlab as shown below

You can call the colorbar function with the desired tick values Z = peaks; contourf(Z) colorbar('ticks',[-6:0.5:8])

1 month ago | 1

Error in for loop: Index exceeds matrix dimensions.

You have essentially made two mistakes: matrix_f only has 6 rows. You setup up your for loop such that k is 1 2 3 4 5 6 . When ...

1 month ago | 0

| accepted

Friend Function implementation in MATLAB

You can use the Access List property. Here is more explanation. Here also.

1 month ago | 0

how to do rising and falling edge in single signal using signal builder..?

Click on Signal->ReplaceWith or New->Square and play with the points. Alternatively, click on Signal->Custom-> enter your time...

1 month ago | 1

| accepted

how to make task in simulink

You can specify sample time of each block seperatly. Here is more information and how to do it for different blocks, subsystems ...

1 month ago | 0

How to loop through cell array and apply script to each double?

You can use the cellfun function, where you use your script as the function. Example: a = {1:3, 200:205, 10:12}; new_a = cell...

2 months ago | 0

Solved

Find MPG of Lightest Cars

The file cars.mat contains a table named cars with variables Model, MPG, Horsepower, Weight, and Acceleration for several classi...

2 months ago

Solved

Rescale Scores

Each column (except last) of matrix X contains students' scores in a course assignment or a test. The last column has a weighted...

2 months ago

Solved

Crop an Image

A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

2 months ago

Solved

Verify Law of Large Numbers

If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

2 months ago

Unable to obtain double precision from symbolic value

You need the vpa function x = 2; a = sym(1/3); f = a*sin(2*pi*x) fVpa = vpa(f,10)

2 months ago | 1

| accepted

Help with contour plot

You actually do have 5 lines but they are on top of each other thats why you do not see them. So your Z matrix for k1(1) and k1(...

2 months ago | 0

| accepted

count number of elements for each slice of a vector

Here is one simple way: A = [2 1; 3 1; 4 2; 5 2; 6 2; 7 1; 8 1; 7 1; 5 2; 6 2]; ...

2 months ago | 0

| accepted

First cell in a string array is empty, how to replace this?

The issue is you are not initiating and filling the mode1_status matrix properly. Your initial mode1_status matrix is a 1x1 matr...

2 months ago | 0

| accepted

Which MATLAB license should I buy as a reseacher working in an NGO?

The best way to know is by contacting the sales directly, say it is a nonprofit NGO and for research. They might offer you eithe...

2 months ago | 2

Matlab optimization - variables to satisfy L1 norm

You create a nonlinear constraint functio and give it as an argument to the fmincon. [x,fval,exitflag,output]=fmincon(@(x)costF...

2 months ago | 1

Solved

Calculate area of sector

A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

2 months ago

Solved

Pizza!

Given a circular pizza with radius z and thickness a, return the pizza's volume. [ z is first input argument.] Non-scored bonus...

2 months ago

How to draw a Nyquist plot while avoiding the pole at the origin

I dont think the nyquist plots looks exactly like you draw by hand. You can set the axis limits to make the nyquist plot visib...

2 months ago | 0

How to draw a graph like the image attached below in MATLAB

You can also use countourf function; % random data from countour example x = linspace(-2*pi,2*pi); y = linspace(0,4*pi); [X,...

2 months ago | 0

Insufficient number of input parameters.

The calculate_gain_sfunc requires an input. You called it without any inputs. calculate_gain_sfunc % WRONG way to run the func...

2 months ago | 0