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Vibration analysis/ vector sum/ phase
Let's say this is your data. A = [1 1 2 3; 2 2 4 -1; 3 0 1 5]; where the first column is the time, and t...

oltre 7 anni fa | 0

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How can I incorporate the "s" symbolic variable in multiplication?
Defining a symbolic variable |s| is different than the |s = jw| in your transfer function. I believe, if you write a transfer fu...

oltre 7 anni fa | 0

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"Function might be unused"
I don't see any problems, unless you defined the function inside your main script, and MATLAB doesn't allow that. hfg=930; ...

oltre 7 anni fa | 0

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Equation with time dependent variable
p = -10:10; % range of values n = 2; % constant for j = 1:length(p) % We find y at each, p for t = 1:10 % time ...

oltre 7 anni fa | 0

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How can I find the mixed partial derivatives using Matlab?
syms x y f = (x^4)*sin(x*y); der = diff(f,x,y,y) der = - 6*x^5*sin(x*y) - x^6*y*cos(x*y)

oltre 7 anni fa | 0

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I'm trying to make a for-end loop that outputs a complete table of the variables t and y.
Try this: for t=1:100 y(t)=1-exp(-t/50); end t = 1:100; A = [t' y']; T = array2table(A,... 'V...

oltre 7 anni fa | 0

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Discrete state space find and plot
Well, the nice thing about discrete time system is you can solve the discrete time equation with a loop. clc; clear all;...

oltre 7 anni fa | 1

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how to plot y=|x| function without using abs,
Well you have to find the regions where your values of |y| are positive and negative. Here is an example of |y = |x||. x...

oltre 7 anni fa | 0

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How to plot the step response of a state space representation using ODE45
Define your closed loop system in your function definition. Then set your input as |U = 1|, and use ode45 to get the response.

oltre 7 anni fa | 0

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how to compute inverse of interpn function
This is how you should approach the problem. Let's study the case when |V=5|. Let's say we generate 100 possible combination...

oltre 7 anni fa | 0

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Hi, Could I get Sample Output for these two programs? Asked before but hadn't quite labeled everything correctly, thank you.
Here you go again. 1. answer_1a = 1 answer_1b = 1.4820 answer_1c = ...

oltre 7 anni fa | 0

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Could Someone Provide the Sample Output for these Two Programs? I don't own MATLAB or if you know another way for me to get sample output.. thank you.
Here you go. 1. MATLAB Program answer_a = 1 answer_b = 1.4854 answer_c = ...

oltre 7 anni fa | 0

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Find the Jacobian of a matrix
I don't think that would be called " <https://en.wikipedia.org/wiki/Jacobian_matrix_and_determinant Jacobian matrix> " anymore. ...

oltre 7 anni fa | 0

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Matlab script that randomly selects a card from a deck of 52
What have you done so far? What you can do is first you define a cell array that contains each card of the deck. Then you ...

oltre 7 anni fa | 0

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problem with subs function
I don't see any problems. syms s k openloop = ((10*s + 14)*(s + 10))/((10*k*s + s*(s + 1)*(s + 10))*(s + 5)); feedfor...

oltre 7 anni fa | 0

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Is there a way to convert the PID controller to Lead, Lag, Lead-lag controller?
I will try my best to answer this question. It's been several years since I touched classical controls, so don't take my answer ...

oltre 7 anni fa | 0

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Problem with function. Can you help? Thanks.
I don't understand why there are several |if| statements with the same condition, e.g., if (nargin==2) counter =0; ...

oltre 7 anni fa | 0

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too many subplots- not visible output
One option is that on your figure, you can click on Export Setup, and on the Rendering section, choose the Resolution (dpi) as 6...

oltre 7 anni fa | 0

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Finding values of a response within range of a cue
Take a look at your |data| (which is the same as |intervals|). data = 81.436 735.18 272.1 14...

oltre 7 anni fa | 0

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Matlab function to compare 2 numbers
Like this? compare = @(a,b) min(a,b); sprintf('The smallest number is %d',compare(2,3)) Or like this? function x...

oltre 7 anni fa | 0

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Rotating a line given the angle and a vector
Rotate it to respect to what? If you are simply rotating points in the XY Cartesian plane counter-clockwise through 123 degrees ...

oltre 7 anni fa | 1

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i am getting an error while executing a short code to update a matrix, In an assignment A(I) = B, the number of elements in B and I must be the same. Er
Not sure if this is what you are trying to do, but I am taking Torsten's approach. A=[0 1 1 1 ;0 0 0 1 ;0 1 0 1 ;0 0 0 0]; ...

oltre 7 anni fa | 1

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Solving System ODE with ode45
With first look, in your function, there are many undefined variables, that are |X0|, |y0|, |z0|, and |Ap0|.

oltre 7 anni fa | 0

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Error with if elseif statements
I suggest you to use |strcmp| GOAL=input('WHAT IS YOUR GOAL?(FIT=FITNESS, FB=FAT BURN, N=NEITHER):\n ','s'); if strcmp(G...

oltre 7 anni fa | 0

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What am I doing wrong when using matlab and ros?
When you start ROS on your terminal using |roscore|, check out the section: ROS_MASTER_URI=http://XXXX:11311/ where |XXXX...

oltre 7 anni fa | 0

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How can i cut the element in matrix?
a=[110000111]; b=str2double(regexp(num2str(a),'\d','match')) count = 1; for i = 1:3 result(i) = str2num(strcat...

oltre 7 anni fa | 0

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loop and if conditions for calculating average
First of all, you are missing |end| to your |for| loop. Also, you don't need |break| in your if statement. Fixing those two, ...

oltre 7 anni fa | 0

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Mathematical calculations on input equation
What do you mean by function? Is it simply asking for a numerical input? If so, f=input('enter input num\n')

oltre 7 anni fa | 0

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Index exceeds matrix dimensions while using a for loop
You defined your variable |r| as: n=10000 r = randi([0 9],n,1); So now, your |r| is |10000x1 double|. Then you d...

oltre 7 anni fa | 0

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