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Last seen: ungefär en månad ago |  Active since 2012

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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...

7 månader ago | 1 answer | 0

1

answer

Answered
MATLAB 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...

mer än ett år ago | 0

Answered
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...

mer än ett år 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...

mer än ett år ago | 2 answers | 0

2

answers

Answered
How 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...

mer än 2 år 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...

mer än 2 år ago | 1 answer | 0

1

answer

Answered
How 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...

nästan 3 år ago | 0

| accepted

Answered
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])...

nästan 3 år 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, ...

nästan 3 år ago | 1 answer | 0

1

answer

Answered
Unable to find explicit solution
Your equation with actual ratio a4/a3 does not have analytical solution. Try to solve it numerically with some tolerance.

nästan 3 år ago | 0

Answered
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')

nästan 3 år ago | 0

Answered
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

nästan 3 år ago | 0

| accepted

Answered
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.

ungefär 3 år ago | 1

| accepted

Answered
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' ...

ungefär 3 år ago | 0

Answered
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...

ungefär 3 år ago | 0

Answered
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

ungefär 3 år ago | 0

Answered
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...

ungefär 3 år ago | 1

Answered
Out of Memory. Infinite Recursion.
doc polylog Argument of the polylogarithm, specified as a number, array, symbolic number, symbolic variable, symbolic function,...

ungefär 3 år ago | 0

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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 ...

ungefär 3 år ago | 2 answers | 0

2

answers

Answered
Error while using syms in MATLAB AppDesigner
https://www.mathworks.com/matlabcentral/answers/166584-cannot-use-syms-command

ungefär 3 år ago | 0

| accepted

Answered
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)...

ungefär 3 år 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 =...

mer än 3 år ago | 1 answer | 0

1

answer

Answered
Array 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 = ...

mer än 3 år ago | 0

Answered
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...

mer än 3 år ago | 1

Answered
Remove from a vector a certain number of elements
sim3 = sim1; sim3(sim3==sim2) = [];

mer än 3 år ago | 0

| accepted

Answered
Index in position 1 is invalid.
i as an index is not defined in your code, Matlab considers it as 1i by default

mer än 3 år ago | 0

| accepted

Answered
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{:}

mer än 3 år ago | 0

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Answered
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...

mer än 3 år ago | 0

| accepted

Answered
How to superimpose two figure, one to bottom right corner of larger.
fig1 = figure(1); % create figure1 pos1 = fig1.Position; % position of figure1: pos1 = [x1, y1, width1, hight1] pos2 = pos1;...

mer än 3 år ago | 0

| accepted

Answered
Plot of nested for loop for thickness variable
Place figure(1) with a number before for-loop and use plot(results(:,1),results(:,2)) only once. If you use figure() without an...

mer än 3 år ago | 0

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