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Create a Slanted Linspace Matrix
If you have the signal processing toolbox, the buffer command will do exactly what you want. If not, something like x = linsp...

約4年前 | 0

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log ticks on Y-axis
set(gca, 'YScale', 'log') Is this what you mean?

約4年前 | 0

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error message how to solve !?
The error message is exactly what it says. You defined a function, which is not defined if one of your inputs is a function hand...

約4年前 | 0

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MATLAB isn't working to generate figures
Use hold on and hold off when generating figures. I've not used imshow before, but I'll guess that each time you generate a figu...

約4年前 | 0

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How to add a NaN row at the beginning columns of a table?
for jj = 1:5 A(:,jj) = [NaN([jj 1]); B(1:end-jj)] A(T.id(1:end) ~= [NaN([jj 1]); T.id(1:end-jj)], jj) = NaN; end I h...

約4年前 | 1

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signal to noise ratio (SNR)
According to the documentation, "r = snr(x,y) returns the signal-to-noise ratio (SNR) in decibels of a signal, x, by computing ...

約4年前 | 0

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How can I get archived documentation for a R2012b release?
As per the other answer, 2012b doesn't have easily accessed documentation. I have found, however, the 2012b release notes in thi...

約4年前 | 0

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How to Integrate ?
Wolfram alpha is useful here to show you what can be done. If you click that link you'll see that I asked it to do which is ...

約4年前 | 0

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Min and max value of many results
Good news! Matlab has built in min and max commands. So it's pretty straightforward to define them and store them in a vector: ...

約4年前 | 1

質問

Is it possible to include LaTeX expressions as text in my code?
I have a piece of code, where some of the variables can have their values chosen by me as and when I want. The values have very ...

約4年前 | 2 件の回答 | 0

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What is the difference between matlab download R2020a and R2020b?
Here are the release notes for 2020b. There likely isn't much to change for most people, when I updated from 2020a to 2020b I di...

約4年前 | 0

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Index in position 1 is invalid. Array indices must be positive integers or logical values. (Slution of equation of motion with runge kutta 4)
t(1), q(1) and dqdt(1) are all zero. Matlab indexing starts at 1, so when you assign k_11 = y1_2nd(t(i),q(i),dqdt(i)) it trie...

約4年前 | 0

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I want the graph of the function only show the part where x>0
You want xlim. Give it one limit and it can calculate the other, or use xlim(0, length(y)).

約4年前 | 1

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max and min row from an array
The built in min and max commands have the ability to return the index of the largest and smallest values in an array. The docum...

約4年前 | 0

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How to change dot's place in fractional number
Multiply by 100? x1 = 0.25; x2 = x1 * 100; disp(x2) 25

約4年前 | 1

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質問

How do I find out what specifically is causing the error "Matrix is close to singular or badly scaled" in the sgolay function?
I'm using the sgolay function from the Signal Processing toolbox to calculate some derivatives. The function is inside a loop as...

約4年前 | 1 件の回答 | 0

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Plot a graph with linspace
You can't get that exact plot with linspace. I've managed to get it by using t = [0 1 1 2 3]; u = [1 1 0 0 0]; plot(t, u, 'k...

約4年前 | 0

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Finding points inbetween the values of my arrays.
If I understand your question, you want the interp1 command. You can choose how many target points to create, so make the lines ...

約4年前 | 0

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Curve Fitting for a function with 3 fitting parameters.
Bjorn's method will work. I'm just offering a second option, from the file exchange: https://uk.mathworks.com/matlabcentral/fil...

約4年前 | 0

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How to make a graph of an equation if part of it is an array?
You're right, the right side of line 10 has the same size as r (which itself has the same size as t), and you're trying to assig...

約4年前 | 1

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How to delete last characters of a string
What happens if you replace name = "Motor 315S-4" with name = 'Motor 315S-4' and try name2 = name(1:end-2)? Based off this...

約4年前 | 1

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Finding multiple x values in plot for given y
I think you want fsolve. Give it a function handle and an initial starting point, and it'll tell you (approximately) what x give...

約4年前 | 0

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subtract two matrices of sizes [1*5] and [3*5]
Well I typed m = [1 2 3 4 5]; y = [10 11 12 13 14; 9 8 7 6 5; 15 16 17 18 19]; y-m into my matlab command window, and it re...

約4年前 | 1

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Why am I receiving the error "Array indices must be positive integers or logical values."
Line 26: Array indices must be positive integers or logical values. i is used as an index, but it isn't defined until a line lat...

約4年前 | 0

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Undefined function 'mtimes' for input arguments of type 'function_handle'.
Your function fonk takes f as an input. f must be a function handle in order to satisfy the quad requirements. Later, you set h=...

約4年前 | 0

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transform data from hourly to quarter hourly
https://uk.mathworks.com/help/matlab/ref/interp1.html The vector x can be datetime values.

約4年前 | 1

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How do I write a sparse matrix in MATLAB
https://uk.mathworks.com/help/matlab/ref/full.html

約4年前 | 2

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How to change x-axis values?
This was the top result when I googled "matlab remove scientific notation axis". From R2015b onwards, ax = gca; ax.XRuler.E...

約4年前 | 0

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The way to integrate a differentiated function(微分した関数を積分する方法)
Well the integral of a derivative is simply the function itself. For example: y(x) = x^2 + x + 5 dy/dx = 2x + 1 integral(dy/d...

約4年前 | 0

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Adding noise to my data set
randn is a uniformly distributed random variable with mean of zero and standard deviation of 1. To get what you want, use vari...

約4年前 | 0

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