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Assigning a vector to multiple rows of a matrix
b=ones(5,4); a=[1;2;3;4]; If you wanna assign a to the 3rd row of b, b=[b(1:2,:);a';b(4:5,:)]
ungefär 6 år ago | 0
Question
Hot key for showing section list
I just installed Matlab r2013a. It looks good, but I can't get used to the hotkey Ctrl+G. Previously, if you press Ctrl+G, a win...
mer än 10 år ago | 1 answer | 0
1
answerhow to write code for integerator block in simulink without using the simulink block ?
What about the state-space block?
mer än 11 år ago | 0
Problem with making a matrix of size [2 2 4 2] , need help
Data is a 16 x 2 matrix, so Data(i,j,k,m) is wrong.
mer än 11 år ago | 0
Add another y axis on the plot
Why not try plotyy(x,y,x,y)? Actually, you don't need two different series. They can be identical.
mer än 11 år ago | 0
Bode diagram at different amplitudes?
Option 1: export the input and output data to workspace and plot the bode diagram Option 2: Set the input/output port in simuli...
mer än 11 år ago | 0
add another y axis
I only know plotyy. But not sure whether it is what you are looking for.
mer än 11 år ago | 0
How to write to an excel sheet in specified columns only.
1. xlswrite('testdata',x-axisCordinates') ,"'" to convert to a nx1 array 2. You can specify the range ('C1:C5') xlswrite(fi...
mer än 11 år ago | 0
| accepted
How do I cretae step response graph?
First, build the model in simulink. Then plot the output signal (i.e. current) vs. time "plot" can be used for time domain wh...
mer än 11 år ago | 0
Why do I get this error subscript indices must either be real positive integers or logicals?
plot(t,e);
mer än 11 år ago | 0
How can I design these nested for loops so they run much faster?
You need to design a new algorithm. Why not pre-sort the 2nd column of A and B before the comparison? Or calculate the min and m...
mer än 11 år ago | 0
matrix search and the save on a new matrix
find(a(:,2)) can be used to find the index of the non-zero rows.
mer än 11 år ago | 0
how to keep the strings displayed in the edit box and the selections in the pop-up menu in the GUI1 when you return back from GUI2.
# Save the string to workspace or setappdata # You can create a handle in the opening function of GUI1 to dectect whether GUI1 ...
mer än 11 år ago | 0
| accepted
Plotting a time series with shaded regions
time='6/01/1998'; fwd_slash_loc=strfind(time,'/'); year=time(fwd_slash_loc(2)+1:end);
mer än 11 år ago | 0
Fortran to Matlab GOTO
There are many options: # Create a function for each destination of "goto". ie. Create a fuction for 111 # Copy and paste ...
mer än 11 år ago | 0
Can I automatically regconize function call and execute it in editbox of a GUI.
# Find the location of ";" by using the command strfind # Seperate the functions (ie. you need to run add1(5,3) first, then add...
mer än 11 år ago | 0
Question
How to detect a left double-click on a cell of a uitable?
If I add a command get(handles.figure1,'selectiontype') under function figure1_WindowButtonDownFcn, only right single/do...
mer än 11 år ago | 1 answer | 0
1
answerHow to copy text content from a .txt file to a .ats file?
Just wanna let you know. I resolved this issue by using fid=fopen(filename,'wt') Instead of fid=fopen(filename,'w'...
mer än 11 år ago | 0
| accepted
Question
How can I create shortcuts by commands?
I'm wondering whether it is possible to create shortcuts on the toolbar by commands. I am going to release my GUI and I hope any...
mer än 11 år ago | 3 answers | 0
3
answersQuestion
How to copy text content from a .txt file to a .ats file?
Currently, I can only generate a txt file by fprintf(). Then I have to copy and paste the content from the txt file to a .ats. ...
mer än 11 år ago | 1 answer | 0
1
answerMasked Subsystem: How to pass a double vector to a constant?
I'm not quite sure about your issue. In general, if you want to assign a value to a parameter in a masked subsystem, add it as ...
mer än 11 år ago | 1
GUI can't read variable with setappdata and getappdata
function pushbutton1_Callback(hObject, eventdata, handles) % hObject handle to pushbutton1 (see GCBO) % eventdata re...
mer än 12 år ago | 0
| accepted
I have a excel file which contains both number and txt, I wanna assign whole values in this excel file to the listbox
# Import data to Matlab by implementing xlsread() # Create a cell variable and assign all the n*3 data to the cell variable
mer än 12 år ago | 0
| accepted
Position of points relative to a plane
# Obtain the equation of the plane # If the point (x,y,z) satisfy the equation, the point is on the plane. I don't think you ca...
mer än 12 år ago | 1
| accepted
GUI can't read variable with setappdata and getappdata
# The handle for getappdata and setappdata must be the same # If you write setappdata in the function hitung,you can get data b...
mer än 12 år ago | 0
Simulink the Two Degree-of-Freedom PID Control for Setpoint Tracking in help/matlab
Fig. 2 in the help document describes the equation of the DC motor.
mer än 12 år ago | 0
| accepted
how to replace the element in matrix?
A(2,2)=12; A(3,3)=13;
mer än 12 år ago | 14
| accepted
Can Someone Help Me WIth My Code?
You haven't defined the output y for the function. If you don't need an output, just remove 'y=' in the first line. If it's ...
mer än 12 år ago | 0
How to fix looping?
It seems the length of array s is 50, but you wanna call s(51) in the for loop
mer än 12 år ago | 0
On Simulink how to add_block with output data type boolean?
add_block('built-in/Constant','test/const1','Position',[90 20 110 40],'OutDataTypeStr','boolean','Value','1');
mer än 12 år ago | 0
