# Aquatris

Last seen: Today Con actividad desde 2023

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Unknown variables appearing in solutions for symbolic equation solver
This is shown in the documentation of solve, under Solve Polynomial Equations of High Degree. You should call the function wit...

3 días hace | 0

Respondida
What is MATLAB doing when adding multiple ZPK transfer functions together?
Yes but you are doing a fractional algebra. To refresh your memory: a/b + c/d = (a*d + c*b)/(b*d) Since numerator stays b*d, ...

7 días hace | 0

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Want to programmatically get the Maltlab status of (ready, busy), etc., in the bottom left corner of the window. What procedure will be used?
I recommend you use waitbar() function as an indicator of the progress within the code. f = waitbar(0,'Program started...'); %...

8 días hace | 0

Respondida
How to save a output matrix in each iteration?
Here is one way, where M_total_P is a 2x2x901 matrix, where 901 is the number of frequencies you have in the code. clc clear ...

8 días hace | 0

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I am getting this warning "Matrix is singular to working precision." and my surf plot is not showing.
You are doing a matrix mutiplication when you call the u() function, since you call u function with matrix arguments X and Y. Th...

9 días hace | 2

Respondida
Gain dimension failure ending in error
G gain is set for element wise multiplication instead of matrix multiplication, hence (1,4).*(4,1) = (4,4). x = ones(4,1); G =...

9 días hace | 0

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change the color of curve from blue to any color and make it bold
x= 0:0.01:2*pi; y = sin(x); plot(x,y,'r') % r stands for red look at the documentation for different colors

9 días hace | 0

Respondida
Hi, why am I getting an error?
You provide a fitlm model to plot function and a color option. Remove the color option and try again. So change % plot(F_sept...

9 días hace | 1

Respondida
Unrecognized function or variable 'del'.
Not recommended but you can generally overwrite native variable/function names. I cannot reproduce your problem n = 0; for del...

11 días hace | 0

Respondida
How to make the encircled curve by blue.
You have one weird data and script to visualize but here is one way clear all warning off % you had references to F:/ folder ...

14 días hace | 0

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How to vary angles at constant rate in a kinematics problem?
For loops are easy to understand but as mentioned in comments, once you understand the logic you should vectorize it. The basic ...

15 días hace | 0

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how to get the name of current running m script
mfilename() function seems to be what you are looking for.

29 días hace | 0

Resuelto

Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

alrededor de 1 mes hace

Resuelto

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

alrededor de 1 mes hace

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Return area of square
Side of square=input=a Area=output=b

alrededor de 1 mes hace

Resuelto

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

alrededor de 1 mes hace

Respondida
Class property validator reports an error if no default value is set
You can write your own validation function classdef MyClass properties hWriteFunc(1,1) {mustBeFunctionHandle} = @...

2 meses hace | 2

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contour diagram with three vectors
Here is one way: x = linspace(0,4,10); % x coordinate y = linspace(0,8,10); %^y coordinate [X,Y] = meshgrid(x,y); % meshgri...

2 meses hace | 0

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Reset value of Ramp block to be used in Matlab Fctn block
Seems like this was a homework problem :D Take a look here:

2 meses hace | 0

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Ramp block having reset option
Here is one way with enabled subsystem, where the subsystem comes up with an offset (so if the ramp number gets too large it mig...

2 meses hace | 0

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Constant estimation from 2 noisy measurements
@Viktor Cockx, A bit late but here is an example for a mass spring damper system, where I am trying to estimate the mass, spring...

2 meses hace | 0

Resuelto

Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

2 meses hace

Respondida
What does this section mean?
Probably the integral reset functionality. So when you disable and enable the controller, the integral term will reset to 0 to p...

2 meses hace | 3

Respondida
Creating a block for a term like (4s+1) in simulink?
I suggest you try to understand why 4*s+1 cannot be simulated. Although there are workarounds. hint: what does s do to a time do...

2 meses hace | 0

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Find a value using an index obtained from a different matrix with same dimensions

2 meses hace | 1

Respondida
Higher order Hungarian algorithm?
Somthing like this maybe; a=[ 4 5 2]; b=[-8 -13 3]; c=[ 4 7 -9 11]; thresholdValue = 2; [A,B,C] = meshgrid(a,b,c);...

2 meses hace | 0

Respondida
Ive completed code for an assignment but receive strange answers any help?
You are getting NaN because your s1 is equal to s2: s1=-wnN*zetaN-wdN*i s2=-wnN*zetaN-wdN*i where you forgot the ...+wdN*i fo...

2 meses hace | 0

Respondida
How to create this equation in simulink?
you can use 'delay' block to make the u(t) = u(t-1) part of the equation. you can use another 'delay' block to make the e(t) = ...

2 meses hace | 0

Respondida
Formating a structs value
Something like this maybe: syms v1 v2 ; symbols = [v1;v2]; equations = [3/125 - v1/500 == v1*(0.0005 - 0.0001i) - 0.0005*v2 ...

2 meses hace | 0