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提问


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 months 前 | 1 个回答 | 0

1

个回答

已回答
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...

1 year 前 | 0

已回答
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 前 | 0

| 已接受

提问


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 前 | 2 个回答 | 0

2

个回答

已回答
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...

2 years 前 | 0

| 已接受

提问


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 前 | 1 个回答 | 0

1

个回答

已回答
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...

3 years 前 | 0

| 已接受

已回答
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 前 | 1

| 已接受

提问


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 前 | 1 个回答 | 0

1

个回答

已回答
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.

3 years 前 | 0

已回答
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 前 | 0

已回答
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 前 | 0

| 已接受

已回答
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 前 | 1

| 已接受

已回答
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 前 | 0

已回答
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 前 | 0

已回答
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 前 | 0

已回答
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 前 | 1

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

3 years 前 | 0

| 已接受

提问


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 前 | 2 个回答 | 0

2

个回答

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

3 years 前 | 0

| 已接受

已回答
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 前 | 0

提问


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 前 | 1 个回答 | 0

1

个回答

已回答
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 = ...

3 years 前 | 0

已回答
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 前 | 1

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

3 years 前 | 0

| 已接受

已回答
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 前 | 0

| 已接受

已回答
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 前 | 0

| 已接受

已回答
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 前 | 0

| 已接受

已解决


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 前

已解决


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 前

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