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Question
is there any reason for this?
In Matlab "1" + "1" = "11" but '1' + '1' = 98 i.e. char(49) = '1' but char(49) + char(49) = 98 Is there any reaso...
8 months ago | 1 answer | 0
1
answerMATLAB GUI Pushbutton Click Runs Callback Twice
See my answer here: https://se.mathworks.com/matlabcentral/answers/1982264-double-action-of-guide-adapted-drop-down-menu-callba...
1 year ago | 0
double action of GUIDE adapted drop down menu callback
A have found the answer to my question. In GUIDE created and subsequently migrated to Appdesigner dropdown menu, the ValueChang...
1 year ago | 0
| accepted
Question
double action of GUIDE adapted drop down menu callback
In my code, I still have some GUIDE-style callbacks of dropdown menus as follows (this is just example code): % Value changed f...
1 year ago | 2 answers | 0
2
answersHow can I synchronize two split windows in the editor?
I found a solution: if you split window after highlighting, then both windows demonstrate the same highlighting; if you split wi...
2 years ago | 0
| accepted
Question
How can I synchronize two split windows in the editor?
In previous releases, if I highlight function name in, say, left split window, it was automatically highlighted in the right win...
2 years ago | 1 answer | 0
1
answerHow to add a right hand y-axis with the same major and minor ticks?
x = -2*pi:0.1:2*pi; y1 = sin(x); y2 = tan(x); yyaxis left hp1 = plot(x,y1); h1 = gca; h1.YTick = -1:0.5:1; set(h1,'XMin...
3 years ago | 0
| accepted
Center alignment for tiledlayout
x = -2*pi:0.1:2*pi; y = sin(x); t = tiledlayout(3,6); nexttile([1,2]) plot(x,y) nexttile([1,2]) plot(x,y) nexttile([1,2])...
3 years ago | 1
| accepted
Question
Why the matlab editor (Code Analyser) is not warning about changing size by a variable within a loop
In the 2nd example of the following for-loop the variable A definitely changes its size as it does in the 1st example. However, ...
3 years ago | 1 answer | 0
1
answerUnable to find explicit solution
Your equation with actual ratio a4/a3 does not have analytical solution. Try to solve it numerically with some tolerance.
3 years ago | 0
Add zero decimal digits in order to have all the elements of a matrix with same number of decimal digits
A = magic(3) B = num2str(A,'%.3f\t')
3 years ago | 0
How to create a cell array identical in size, but containing cell position in each cell?
A = {[1,2,3,4]; [1,2,5]; [5,6,1,2,4]; [44]} B = cell(size(A)); for k = 1:length(A) B{k} = repmat(k,1,length(A{k})); end
3 years ago | 0
| accepted
Why does adding a space give vertcat error?
with a space, [1;1 +1] is interpreted as [1;1, +1]. [1;(1 +1)] will be OK.
3 years ago | 1
| accepted
Error using minmax newff
You are using char type variables, i.e filename a = {'abc', 'aa', 'b'; 'abc1', 'aa1', 'b1'} a = 2×3 cell array {'abc' ...
3 years ago | 0
Why is signal amplitude so low after applying FFT?
https://www.mathworks.com/matlabcentral/answers/162846-amplitude-of-signal-after-fft-operation https://www.sjsu.edu/people/burf...
3 years ago | 0
Array indices must be positive integers or logical values.
if length(c) is an even number, then (length(c)+1)/2 is not an integer
3 years ago | 0
Unrecognized function or variable 'snopt'. Error in Untitledidk (line 362) [x, f, inform, xmul, fmul] = snopt(xg, xlwr, xupr, xmul, xstate, ... What is this function
https://github.com/snopt/snopt-matlab Matlab interface for sparse nonlinear optimization software SNOPT. Requires the SNOPT so...
3 years ago | 1
Out of Memory. Infinite Recursion.
doc polylog Argument of the polylogarithm, specified as a number, array, symbolic number, symbolic variable, symbolic function,...
3 years ago | 0
| accepted
Question
how to use function handles
Instead of the following, I want to use function handles and move if-statments out of the loop: for n=1:10 if a==0 ...
3 years ago | 2 answers | 0
2
answersError while using syms in MATLAB AppDesigner
https://www.mathworks.com/matlabcentral/answers/166584-cannot-use-syms-command
3 years ago | 0
| accepted
Why am i getting the same error while plotting a function?
doc vpaintegral vpaintegral(f,a,b) numerically approximates f from a to b. vpaintegral(f,[a b]) is equal to vpaintegral(f,a,b)...
3 years ago | 0
Question
How do I do this without using try/catch?
I am using waitbar within Run_pushbutton_Callback (GUIDE GUI): function Run_pushbutton_Callback(hObject, ~, handles) try wb =...
3 years ago | 1 answer | 0
1
answerArray indices must be positive integers or logical values.
When x=1, then X_s(x-1) = X_s(0), which is not allowed in Matlab x = 1 x = 1 x = 2 x = 3 x = ...
3 years ago | 0
Array indices must be positive integers or logical values.
floating point problem; try to use x = round(k/0.2 - 4/0.2 + 1) k = 4.200000000000000 x = 2 k = 4.400000000000...
3 years ago | 1
Remove from a vector a certain number of elements
sim3 = sim1; sim3(sim3==sim2) = [];
3 years ago | 0
| accepted
Index in position 1 is invalid.
i as an index is not defined in your code, Matlab considers it as 1i by default
3 years ago | 0
| accepted
How can i repeat a formula without for loop?
M = [1,2; 3,4]; LM=log(M); A = 1:5; B = num2cell(A); C = cellfun(@(x) {x*LM}, B); D = cellfun(@(x) {exp(x)},C); D{:}
3 years ago | 0
| accepted
Make subplot use the full figure on buttondown click.
The following works as you requested. You can of course modify the code in more elegant way with numbering handles as ax(n) etc...
3 years ago | 0
| accepted
Solved
Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...
3 years ago
Solved
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...
3 years ago