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cell配列をスカラー配列に直すにはどうすればいいですか？
I am not sure why you are using linspace here. You can use cellfun to calculate mean of each cell element - avg = cellfun(@me...

9개월 전 | 1

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Matlab is giving different answers for the same calculation
That's because the value of D_h is not 0.0019. The value stored is not the same as value displayed. rho = 916; %kg/m^3 ...

9개월 전 | 2

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インデックスが配列要素数を超えています。インデックスは 0 を超えてはなりません。
When kq is 0, the equation becomes 1==0, which is obviously not true, thus there is no solution for it. For that iteration, q1 i...

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How can I change the decimal separator when exporting to Excel?
Try - T = readmatrix('filename.format', 'DecimalSeparator',',');

9개월 전 | 0

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How to get Bin Edges at specific Value point (Maximum value) in histogram.
load('Data.mat') H = histogram(DATA) %Get the index of the max value alongside [HMAX, idx] = max(H.Values,[],"all") %USe the...

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xlabel do not appear in plot
Call the plot() command first and then define the labels and legend - syms x s u1 = stepfun(x,0); f1 = x.*exp(-3*x).*u1; ...

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Why does my ode45 return a solution with the first values as zero despite I supplying non-zero initial conditions?
"Why does my ode45 return a solution with the first values as zero despite I supplying non-zero initial conditions?" Because yo...

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How to make this type of variation plot in MATLAB
You are looking for errorbar.

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Error using mesh - Z must be a matrix, not a scalar or vector, using mesh command
The difference between min(x1) and max(x1) is not 100, thus the vector x1fit generated via colon() is just min(x1). Consequently...

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Getting an error message when I use 'triangle()' function.
That help is for a Stateflow operator in SIMULINK (as mentioned in the 1st line), not for a function in MATLAB. help triangle ...

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I could not display all the legends related to the plotted bars
You get a single legend entry because there is only a single graphical object. If you want a separate legend for each bar, you ...

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Finding an angle in a trigonometric function using 2 equations
As you are solving for beta, you have to define beta as a symbolic variable. Also, I have reduced the step size in x, as the va...

9개월 전 | 1

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error using preallocation for table using size option in R2023b
Use single quotation marks around the VariableTypes arguement instead of double quotation marks - % v ...

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converting 3d matrix into a cell array
@AT_HYZ, change the dimensions and use the above transformation - abc = rand(1001,259,259); %Shift dimensions Mymatrix = s...

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downgrade From matlab r2022b update 8 to r2022b update 5
https://in.mathworks.com/matlabcentral/answers/473278-how-can-i-roll-back-a-matlab-update https://in.mathworks.com/matlabcentra...

9개월 전 | 0

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Vector sliding average over different number of points
Here's a vectorized method - %number of points in each block Ns = [4 2 2 1 3 1 1 2 3 1 1 2 1 2 3 1]; %sum of these points = 3...

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Return the last time in a datetime column containing NaT
Your data is already a column, using 1 and end as indices on it will provide scalars (see the edit above). ReadSS = readtable('...

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How to split a 2xN matrix into multiple 2x2 matrices?
%Assuming N is a multiple of 2 y = randi(10, 2, 16) %Reshaping into 2x2 blocks y = reshape(y, 2, 2, []) z = y(:,:,1); for k...

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How can I replace data on the axis to become u horizontal and y vertical?
Use - plot(u1,y,'-',u2,y,'--',u3,y,'-.',u4,y,':','LineWidth',2) Note the syntax for plotting x and y data using plot is - ...

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Not able to plot a particular relation.
Remove all the "syms" call. They are not required.

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How to export script to text file ?
export() does not support writing data into files. Use writematrix instead - a = "good"; b = "morning"; c = "babynumber"; ...

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Having issues with plotting and supposedly there is a size problem?
(I assume that you have written this code for an assignment, which requires the variable x to be of size [1 200], which should b...

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Plot can no longer recognize my variable
Because there is no such variable named yModel before that plot() is called. You have made a typo, it should be yB_Model. Al...

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how to generate random number
randi only generates integers. Use rand instead. rand() generates numbers in the range (0,1). Get the desired range by modifyin...

10개월 전 | 0

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Trouble with handling values in anti-diagonal of a square matrix
1 - Preallocate using ones() instead of zeros() and remove the else part. 2 - Update the condition for checking the anti-diagon...

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Plotting a function inside of another function with no outputs
Firstly, do not use built-in functions as names for variables (or scripts for that matter). You are using plot as a variable nam...

10개월 전 | 1

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How can I integrate by using bessel function
You need to provide the integrand as a function handle, see here - https://in.mathworks.com/help/matlab/ref/integral.html#btbbkt...

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how to get multiple values of multiple columns from a single column?
Use logical indexing - Find Array Elements That Meet a Condition, for columns 2-100 (Assuming the value 40 occurs same number o...

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Making loop for a function 'xlsread'
Use readmatrix instead of the deprecated xlsread(). q = dir('Data/*.csv'); nfiles = numel(filenames); for k=1:nfiles %...

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Solve is not providing correct solution
When you use vpa on symbolic numbers, you lose precision. When you convert the symbolic numbers to double precision values usi...

10개월 전 | 1