Community Profile

photo

G A


69 total contributions since 2012

Contact

G A's Badges

  • 3 Month Streak
  • Thankful Level 2
  • Knowledgeable Level 2
  • First Answer
  • Solver

View details...

Contributions in
View by

Answered
Creating a contour plot of magnitude in 3D
Something like this? a=-1:0.1:1; b=-1:0.1:1; [X,Y]=meshgrid(a,b); Z=X.^2+Y.^2; M=[0.5 1]; hold on grid on surf(X,Y,Z), ...

6 Tage ago | 1

Question


is it a bug?
str2num('"abc"') ans = "abc"

8 Tage ago | 1 answer | 0

1

answer

Answered
Not obtaining the right shape with matlab plot
Add a dot ./ in the line: si=atan(sin((N+1).*phi)./(R./r3-cos((N+1).*phi)));

21 Tage ago | 1

| accepted

Question


how can I do it without using eval
There are quite a few handles of uicontrols and uipanels named h1,h2...hN in my code exported by GUIDE. I want to create structu...

28 Tage ago | 1 answer | 0

1

answer

Question


Is there the more elegant way to do this?
By trial and error I came to the following solution for choosing in my GUI a colormap and the number of colors to be used for my...

etwa ein Monat ago | 1 answer | 0

1

answer

Answered
Using Push Button to Export a String to an Edit Textbox (GUI)
set(handles.edit1,'String', Name); % Displaying my string "Name" into my Edit Textbox. Put this line in your pushbutton4_Callb...

etwa ein Monat ago | 1

| accepted

Question


not documented in Matlab?
Both, ishandle(H) and ishghandle(H), are given in doc with only one input argument possibility, however ishghandle(H,'property...

etwa ein Monat ago | 0 answers | 0

0

answers

Question


Two fields Tooltip and TooltipString duplicating each other.
I was playing with my GUI exported by GUIDE from fig-file and found that there are two fields in object properties containing th...

etwa 2 Monate ago | 1 answer | 0

1

answer

Answered
3d dimensional surface
v = [-2:0.1:2]; w = [-2:0.1:2]; [X,Y] = meshgrid(v,w); Z = 6*X.^2-4*X.^2.*Y.^2; figure(3); surf(X,Y,Z)

2 Monate ago | 1

Answered
How to combine plots on subplot?
figure(1) clf subplot(3,1,1) hold on plot(temp1,black1,'ko-'), plot(temp1,white1,'go-'), plot(temp1,pol1,'bo-'), plot(t...

2 Monate ago | 0

| accepted

Answered
How do I plot from multiple mfile into a same figure
Add "hold on" In your mfile2 anywhere before "plot(xfit,yfit)" : figure(2); %figure 2 hold on

2 Monate ago | 0

Answered
Low pass filtering in frequency domain
fft(x) usually returns a complex value. X_Mag = abs(fft(x)); - from here you are losing the information about the real and imagi...

2 Monate ago | 0

Answered
Need help plotting multiple graphs in one UIAxes
Your if-statement is returning only one option. Try the following way: function GraphbButtonPushed(app, event) x =...

3 Monate ago | 0

| accepted

Answered
I am trying to create a surface plot with nested loops and am getting the error "Z must be a matrix, not a scalar or vector."
Try something like the following (z must be a matrix): for m = 1:10 x(m) = m; for n = 1:10 y(n) = n; ...

3 Monate ago | 1

| accepted

Question


Is there the more elegant way to do this?
I would like to call arguments of function from a string or cell array. For example, this code works as I want: function te...

mehr als 5 Jahre ago | 2 answers | 0

2

answers

Question


Why Matlab is not changing the name of the GUI window?
The names of my fig-file and main m-file are, for example, |'Version15.fig'| and |'Version15.m'| , however, after executing thos...

mehr als 5 Jahre ago | 2 answers | 0

2

answers

Answered
How to use the power operator in xlabel?
xlabel('A*R^{2/3}m^{8/3}')

mehr als 5 Jahre ago | 3

Answered
How to read complex number from a *.csv file?
https://www.mathworks.co.uk/matlabcentral/newsreader/view_thread/239213 http://smallbusiness.chron.com/read-csv-matlab-50663....

mehr als 5 Jahre ago | 0

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

mehr als 5 Jahre ago

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

mehr als 5 Jahre ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

mehr als 5 Jahre ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

mehr als 5 Jahre ago

Solved


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

mehr als 5 Jahre ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

mehr als 5 Jahre ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

mehr als 5 Jahre ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

mehr als 5 Jahre ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

mehr als 5 Jahre ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

mehr als 5 Jahre ago

Answered
How to display fit equation on plot?
txt1='b*x^m'; yL=get(gca,'YLim'); xL=get(gca,'XLim'); text((xL(1)+xL(2))/2,yL(2),txt1,... 'HorizontalA...

mehr als 5 Jahre ago | 0

Answered
ndfun doesnt support complex numbers..
doc eig

mehr als 5 Jahre ago | 0

Load more