Someone who is interested in Mathematics, Control and Engineering. Also, music as a hobby.

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Square approximation with a second degree polynomial, function determine.

Simply, you need to use Curve Fitting app for this purpose. Define your Xi and f(Xi) vectors in MATLAB workspace. Then open Curv...

Square approximation with a second degree polynomial, function determine.

Simply, you need to use Curve Fitting app for this purpose. Define your Xi and f(Xi) vectors in MATLAB workspace. Then open Curv...

ungefär 21 timmar ago | 1

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Answered

How to have a implicit function of a symbolic variable in our expressions and calculations

Simply, you can define symbolic functions just like symbolic variables: syms x y z f(x) A=(3*x+5*y+3*z+5)*(f(x)+z); diff(A,x)...

How to have a implicit function of a symbolic variable in our expressions and calculations

Simply, you can define symbolic functions just like symbolic variables: syms x y z f(x) A=(3*x+5*y+3*z+5)*(f(x)+z); diff(A,x)...

en dag ago | 0

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Answered

How to Find Kp,Ki for PI controller from Gain and Time Constant value Given

Simply, the conversion is as follows(Let K denote gain and Ti denote time constant): K*(1+1/(Ti*s)) is equal to Kp+Ki/s If y...

How to Find Kp,Ki for PI controller from Gain and Time Constant value Given

Simply, the conversion is as follows(Let K denote gain and Ti denote time constant): K*(1+1/(Ti*s)) is equal to Kp+Ki/s If y...

12 dagar ago | 0

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Answered

computing a sequence of vectors

Try the following code: n=1;L=1;d=1;q=1;%randomly given syms alpha C=0.5*q*sin(alpha)*[L+d]; D=0.5*q*sin(alpha)*[L^2/d]; ...

computing a sequence of vectors

Try the following code: n=1;L=1;d=1;q=1;%randomly given syms alpha C=0.5*q*sin(alpha)*[L+d]; D=0.5*q*sin(alpha)*[L^2/d]; ...

13 dagar ago | 0

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Answered

How to analyze signal and make proper filter?

If you want to have a starting point, following code basically takes the psd of the signal, so that you will be able to obtain t...

How to analyze signal and make proper filter?

If you want to have a starting point, following code basically takes the psd of the signal, so that you will be able to obtain t...

13 dagar ago | 0

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How to put max function in symbolic function

Why would you try to name it as max? Simply, piecewise function in Symbolic toolbox would help you: syms x f(x)=piecewise(x<0,...

How to put max function in symbolic function

Why would you try to name it as max? Simply, piecewise function in Symbolic toolbox would help you: syms x f(x)=piecewise(x<0,...

13 dagar ago | 1

Question

Receive Raw Ethernet Packet via Simulink

Hello, My question is simple: I would like to use Simulink, just like Wireshark, to capture and display raw ethernet packets. I...

7 månader ago | 1 answer | 0

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Derivate a function with two variable dependent of time

The following might help: syms r(t) theta(t) f(r,theta) f=r^2+0.2*cos(theta)-0.03 To take partial derivative, use functionalD...

Derivate a function with two variable dependent of time

The following might help: syms r(t) theta(t) f(r,theta) f=r^2+0.2*cos(theta)-0.03 To take partial derivative, use functionalD...

9 månader ago | 0

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define tau in transfer function

The following might help: syms s t tau Cs=(1/s)*(1/(tau*s+1)); c(t,tau)=ilaplace(Cs) T=0:0.01:1; plot(T,c(T,0.1))

define tau in transfer function

The following might help: syms s t tau Cs=(1/s)*(1/(tau*s+1)); c(t,tau)=ilaplace(Cs) T=0:0.01:1; plot(T,c(T,0.1))

9 månader ago | 0

Question

Capabilities of Building Standalone Simulation Applications in App Designer with Simulink Compiler

Hello everyone, For those who do not know, MATLAB released Simulink Compiler with 20a release which helps to build and deploy s...

9 månader ago | 0 answers | 0

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How is derivative made in Matlab ?

syms v(t) v(t)=t.^3-6t.^2+7; a(t)=diff(v); result=a(3.5)

How is derivative made in Matlab ?

syms v(t) v(t)=t.^3-6t.^2+7; a(t)=diff(v); result=a(3.5)

9 månader ago | 0

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Answered

Replacing characters in a string

One example(use regexprep): s="Yao Ming"; regexprep(s,{'Y','M'},{'J','Q'})

Replacing characters in a string

One example(use regexprep): s="Yao Ming"; regexprep(s,{'Y','M'},{'J','Q'})

10 månader ago | 0

Answered

How to update a variable in a function after every 5 seconds?

Run the attached model and see the results. You can change the Ramp block's Slope value and store different numbers. Output of t...

How to update a variable in a function after every 5 seconds?

Run the attached model and see the results. You can change the Ramp block's Slope value and store different numbers. Output of t...

10 månader ago | 0

Answered

Function like "find" but for lines

B=reshape(A.',1,[]); C=(1:numel(A)).*(B~=0); C=C(C~=0)

Function like "find" but for lines

B=reshape(A.',1,[]); C=(1:numel(A)).*(B~=0); C=C(C~=0)

10 månader ago | 0

Answered

Matrix with numeric values

N=4 A=1:N; B=char(64+A) 'ABCD' B(1) 'A' B(2) 'B' . . and so on. Change N and observe the results.

Matrix with numeric values

N=4 A=1:N; B=char(64+A) 'ABCD' B(1) 'A' B(2) 'B' . . and so on. Change N and observe the results.

10 månader ago | 0

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Answered

Solving non linear 2nd order differential equation

Try this: clear syms t Y0= input('wave amplitude ') ; %Wave ampli...

Solving non linear 2nd order differential equation

Try this: clear syms t Y0= input('wave amplitude ') ; %Wave ampli...

10 månader ago | 0

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Answered

y[n] = x[n] - x[n-1] x[n-2] I need to find a) Find the transfer function. b) Give the impulse response. d) Sketch the frequency respo

Try this: z=tf('z',0.001); Gz=1-z^-1+z^-2; %%transfer function Gs=d2c(Gz,'tustin') %%impulse response figure(1); impulse(...

y[n] = x[n] - x[n-1] x[n-2] I need to find a) Find the transfer function. b) Give the impulse response. d) Sketch the frequency respo

Try this: z=tf('z',0.001); Gz=1-z^-1+z^-2; %%transfer function Gs=d2c(Gz,'tustin') %%impulse response figure(1); impulse(...

10 månader ago | 0

Answered

How can I remove identical cell entries containing small arrays

The following code should simply do the job for you: unique(cell2mat(connect_group),'rows') After this, you can regroup the ar...

How can I remove identical cell entries containing small arrays

The following code should simply do the job for you: unique(cell2mat(connect_group),'rows') After this, you can regroup the ar...

10 månader ago | 0

Answered

Simulink-Sawtooth Decrease Counter

Try the attached model. Note that I didn't use Pulse Generator or Detect Decrease or Sum or Memory block. The model is very simp...

Simulink-Sawtooth Decrease Counter

Try the attached model. Note that I didn't use Pulse Generator or Detect Decrease or Sum or Memory block. The model is very simp...

10 månader ago | 0

Answered

how can I do this in mat lab

syms u(t) x(t) h(t) u(t)=piecewise(t>=0,1,0); x(t)=cos(pi*t)*(u(t)-u(t-1)); h(t)=1.5*(u(t)-u(t-1.5)); %%plot t=0:0.001:5; ...

how can I do this in mat lab

syms u(t) x(t) h(t) u(t)=piecewise(t>=0,1,0); x(t)=cos(pi*t)*(u(t)-u(t-1)); h(t)=1.5*(u(t)-u(t-1.5)); %%plot t=0:0.001:5; ...

10 månader ago | 0

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Answered

Plotting the derivative of an "switch-funktion"

You may use Symbolic Toolbox and its beauties for this case :) Here is the code: syms y1(t) y2(t) y3(t) y4(t) y1(t)=piecewise(...

Plotting the derivative of an "switch-funktion"

You may use Symbolic Toolbox and its beauties for this case :) Here is the code: syms y1(t) y2(t) y3(t) y4(t) y1(t)=piecewise(...

10 månader ago | 0

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Answered

How can i fix the error 'Index exceeds the number of array elements (51)'

You need to apply elementwise division: x = [0:0.1:5]; y = sin(x)./x; plot(x, y), xlabel('xi'), ylabel('Theta'), title('Solut...

How can i fix the error 'Index exceeds the number of array elements (51)'

You need to apply elementwise division: x = [0:0.1:5]; y = sin(x)./x; plot(x, y), xlabel('xi'), ylabel('Theta'), title('Solut...

10 månader ago | 1

| accepted

Answered

How can I determine which values in vector X are NOT in vector Y?

Z=~ismember(x,y) It will return 0 0 0 which means every element in vector X are also in vector Y.

How can I determine which values in vector X are NOT in vector Y?

Z=~ismember(x,y) It will return 0 0 0 which means every element in vector X are also in vector Y.

10 månader ago | 0

Answered

plot signal of time domain

syms x(t) x(t)=sin(2*pi*0.1*t); t=0:0.001:10; plot(t,x(-2*t+3))

plot signal of time domain

syms x(t) x(t)=sin(2*pi*0.1*t); t=0:0.001:10; plot(t,x(-2*t+3))

10 månader ago | 0

Answered

how do i plot step response of a system using fourier transform?

If you are dealing with s domain, you need to use ilaplace. Try this: syms t; G = tf([1], [1 0.9 5]); [num,den] = tfdata(G); ...

how do i plot step response of a system using fourier transform?

If you are dealing with s domain, you need to use ilaplace. Try this: syms t; G = tf([1], [1 0.9 5]); [num,den] = tfdata(G); ...

10 månader ago | 0

Answered

Matrix Loop Code Question

P_resultant=cumsum([400 -Loss]); P_resultant(1)=[]

Matrix Loop Code Question

P_resultant=cumsum([400 -Loss]); P_resultant(1)=[]

10 månader ago | 0

Answered

Covert cell array to array

Something like this? Array=cell2mat(CellArrar.')

Covert cell array to array

Something like this? Array=cell2mat(CellArrar.')

10 månader ago | 1

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Solved

Doubling elements in a vector

Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

10 månader ago

Solved

Remove all the words that end with "ain"

Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

10 månader ago