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specifying an array size

count=0; b = []; %A =randi([1,9999],10,31); A =randi([1,60],10,31); [row,col]=size(A); for i=1: row for j =1:c...

15 dagen ago | 0

| accepted

Pcg method is imprecise

The pcg method use tol as a relative tolerance such that norm(residual) < tol*norm(rhs). So you need a different assert. tol =...

15 dagen ago | 0

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how do i download apps Sonar Equation Calculator for R2021b?

Sonar Equation Calculator comes with phased array toolbox. You need that toolbox.

ongeveer een maand ago | 0

How do I highlight a certain area between two lines?

% Generate some data t = 0:.1:10; y = sin(t); plot(t, y); hold on % highlight a portion of data idx = t>6 & t<9; area(t...

3 maanden ago | 0

How to calculate a running value of a function for every 30 samples?

Nt= 50; % Total samples d = randn(1,Nt); ratioCompute = movmean(d, 30)

4 maanden ago | 0

How to count number of ones and zeros in a binary number?

% if you use char to represent binary numbers A='1100'; mod(sum(A=='1'), 2) == 0 % if you use double to represent binaray num...

4 maanden ago | 0

Receiving a "Array indices must be positive integers or logical values." message

change the for loops into: x = 1:.1:10; results = abs(q) ./ (4*pi*e0*x.^2); The original program has result(x) where x is not...

4 maanden ago | 1

define a counter which will starts counting from zero automatically when the count reaches to 10

c = 0; % initialization while true c = mod( c + 1, 10); % count from 0 to 9 then re-start end

4 maanden ago | 0

Reading CSV file with header and other data.

T=readtable("https://www.mathworks.com/matlabcentral/answers/uploaded_files/1174693/Without%20Cooling-%20aluminum%20No1.csv", .....

5 maanden ago | 0

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Merge the multi-columns, multi-rows in one column, one row

var = ["filename", "xmin", "ymin", "xmax", "ymax"] T = { "Japan_000001_jpg.rf.7b3ecaac169c998a18815a31934dbbea.jpg", 0, ...

5 maanden ago | 0

Trying to change the y axis range in fplot

syms s a b c d e f n10 = a + (b*s) + c*(s^2) + d*(s^3) + e*(s^4) + f*(s^5) n10_d1 = diff(n10,s) n10_d2 = diff(n10_d1,s) A = ...

5 maanden ago | 0

How to find the maximum value between two indices in an array?

Without yor data and complete code, this is a guess: mode2a = 200; % frequency lower bound (Hz) mode2b = 600; % frequency uppe...

5 maanden ago | 1

| accepted

How to add tolerance to iteration with if statement

x(1,1)=0; %Initial guess, x=0 y(1,1)=0; %Initial guess, y=0 z(1,1)=0; %Initial guess, z=0 R=0.3; %relaxation factor f...

5 maanden ago | 0

| accepted

Why is my plot blank

P0=300; %power of the heater n=50;% amount of gas (mol) M=28; % Molar mass of Nitrogen gas m=n*M;% m is the mass of the gas(g...

5 maanden ago | 0

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Bandpass power spectrum density issue

You need fs >2*f_upper. Try fs = 80GHz Wx = 50*10^6; % Signal bandwidth Tx = 1/Wx; % Symbol ti...

5 maanden ago | 0

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Assign variables from a solve solution

syms k_x Kr_x alpha_x c0=18.1499 alpha0=0.3491 g=9.81 omega=0.54 D2 = [1 2]; for i=1:length(D2) c_x=c0*tanh(k_x*D...

5 maanden ago | 0

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How to add tolerance to iteration with if statement

% if a2(i+1,1)-a2(i,1)<0.1 % change the above to: if abs(a2(i+1,1)-a2(i,1))<0.1

5 maanden ago | 0

How can I plot this function?

% parameters (use your values) lambdaR = 1; lambdaI = -1; d = 3; p = 2; x = -10:.1:10; w = sqrt(pi/2)*exp((-p^2-4*p*la...

5 maanden ago | 0

spline interpolation between three values

P=[100 200 300]; T=[100 150 400]; density=[0.4,0.7,0.8]; Pq =100:300; Tq = spline(P, T, Pq); dq = spline(P, density, Pq)...

5 maanden ago | 0

Named arguments in Matlab?

Use arguments block (additionaly for default value, type and size check. doc arguments for more details) self = Renderer(sampl...

5 maanden ago | 0

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Check for incorrect argument data type or missing argument in call to function 'int'

Break long line codes into shorter ones using ... int is not a builtin function. use fix/floor/round/ceil instead (find out th...

5 maanden ago | 0

how to save the values of DelL(T)

Lo = 44.46; Do = 18.76; alpha = 0.0002178 ; T = 36:1:180; DelL = Lo*alpha*(T-35); whos

5 maanden ago | 0

Acess all last array elements withtin cells

You can use cellfun: precipitate{1}=[1,2,3,4;1,2,3,4]; precipitate{2}=[1,2,3,4,5;1,2,3,4,5]; precipitate{3}=[1,2,3;1,2,3]; ...

5 maanden ago | 0

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I can't figure out why am not getting a plot on my code

If you put the script and local function ga in the same file, then local functions should be placed at the end of the files as s...

5 maanden ago | 0

Finding the z transform

syms n omega f(n) f(n) = sin(omega*n) ztrans(f(n))

5 maanden ago | 0

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inspection of linearity of data?

load(websave("check_linearity.mat","https://www.mathworks.com/matlabcentral/answers/uploaded_files/1167363/check_linearity.mat")...

5 maanden ago | 0

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Why am I getting this error "not enough argument"

The number of input arguments is 6: for r =1:m H_MMSE(: , r ) = MMSEesti(ReceivedPilots (: , r ), TransmittedPilots (: , r...

5 maanden ago | 0

Creating 3D array from 2D with increment

A = randi([1, 10], [3, 5]) C = A + reshape(0:2, [1,1,3]) % increment 0, 1, 2 for example

5 maanden ago | 0

| accepted

Change sequence of consecutive trues to falses, in logical array

x=[true;false;false;true;true;true;true;true]' output = x; dx = diff(x(1:end-1)) output1 = output(2:end-1); output1(output1 ...

5 maanden ago | 0

Add indicative labels to vector values

A1 = [ 1 ; 2 ; 3 ]; A2 = [ 4 ; 5 ; 6 ]; A_labeled = [A1 ones(size(A1)); A2 zeros(size(A2))]

5 maanden ago | 0