Answered
Plotting damped sine travelling wave equation in Matlab
Your y1 seems to be function of two variables x and t so yes, you will need to use plot3 at it will plot y1 against two variable...

4 years ago | 0

Answered
why the size function for matrix count less?
Hi, You are getting error, because inside loop, you are deleting rows from the matrix so it's not of the same size as you compu...

4 years ago | 0

| accepted

Answered
Indexing between values of a 2D vector?
Hi Reinder, Yes, you can directly use conditions as index. A = 100*rand(1,100); X = A(A>5); Here, X will contain all the val...

4 years ago | 0

Answered
wavelet coherence index is incorrect
Hi Ben, wcoherence(x,y,seconds(fs)); This line has error. I am assuming fs is your samping rate. and then you are directly con...

4 years ago | 0

| accepted

Answered
how can ı find min value using for loop in matrice
You really don't need to use for loop in matlab to find min term. If you have a matrix A, then min(A) will give you minimum val...

4 years ago | 0

Answered
Pair sums (how to avoid duplication?)
Seems like you have already found the numbers which add up to the required number. Now Save these numbers in an array with 2 co...

4 years ago | 0

Answered
Plotting a function which has two dependent variables and shows it with colour intensity
Hi Wei, Try plot3 or surf function to plot.

4 years ago | 0

Answered
How to calculate derivative and then apply limit in matlab
Hi Ravikiran, I have used a for loop. syms f(x) x; f(x) = x/(exp(x)-1); g = f; limitg = sym(zeros(15, 1)); for n = 1:15 ...

4 years ago | 0

Answered
Error message with ttest function & others statistics tests
Hello SK, I just tried your code and didn't face any problems. load examgrades; x = grades(:,1); y = grades(:,2); h = varte...

4 years ago | 0

Answered
Change a variable's value wherever exists
Hello Vasilis, You need to use subs function to calculate value of symbolic function. subs(x) as last line will give you value...

4 years ago | 1

| accepted

Answered
Find Index of Table data satisfying some condition
Hello Nikita, You can use conditions as index of the table to do this. For example if you have a table Table1 and the condition...

4 years ago | 0

Answered
Magnitude and direction from north and east components
Hi Mithun, You can think of North and East as your X and Y. As you have taken north as reference so use below formulas to calcu...

4 years ago | 1

| accepted

Answered
help required with scripts file
Hello Aaron, Change your code according to below lines, it should work. if (b >= 0) && (b <=90) %put your code here els...

4 years ago | 0

Answered
why should be the range of r should be the same range of d?
Hello Shahd, I run your code and see error "Vectors must be the same length" because of line plot(d,PL,'LineWidth',1.5). In yo...

4 years ago | 0

Answered
How to check a row in a matrix against every other row in a different matrix.
Hello Stefen, Here is a piece of code. There is a list of non overlapping circles and a list of circles to be tested against no...

4 years ago | 1

| accepted

Answered
my code is not running
Hello Edward, Looking at your code, seems like you are trying to solve an euqation using Newton's Mathod. I see many errors in ...

4 years ago | 0

| accepted

Answered
Using Table in Matlab R2015a
Hello Leo, You are getting mentioned errors because these functions were introduced in later releases of MATLAB. head -> R2016...

4 years ago | 1

| accepted

Answered
writting equation with summation
Hello Hassan, You can use solve function of matlab. Here is an example: syms u v eqns = [2*u + v == 0, u - v == 1]; S = solv...

4 years ago | 0