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How to change values for variables that are defined in a equation

syms a b c d syms x eqn = (a - b + 6.96*x + (6-(31*c)/1000)*x/60*1000 + 31*c/1000*d/60*1000)*0.0081 - 0.1824 -x == 0; sol = s...

How to change values for variables that are defined in a equation

syms a b c d syms x eqn = (a - b + 6.96*x + (6-(31*c)/1000)*x/60*1000 + 31*c/1000*d/60*1000)*0.0081 - 0.1824 -x == 0; sol = s...

alrededor de 1 hora ago | 0

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Answered

Sharing C mex variables Between Client and parallel Workers

mexMakeMemoryPersistent is the equivalent of persistent and is not the equivalent of global . If you need changes in one worker...

Sharing C mex variables Between Client and parallel Workers

mexMakeMemoryPersistent is the equivalent of persistent and is not the equivalent of global . If you need changes in one worker...

alrededor de 1 hora ago | 0

Answered

Read table in .txt to MATLAB

%Read data file: Drag and Lift Coeff. saveFlCdCl = 'https://www.mathworks.com/matlabcentral/answers/uploaded_files/586711/Save_...

Read table in .txt to MATLAB

%Read data file: Drag and Lift Coeff. saveFlCdCl = 'https://www.mathworks.com/matlabcentral/answers/uploaded_files/586711/Save_...

alrededor de 1 hora ago | 0

Answered

1000 separator and decimal separator are both commas

str2double(regexprep(s, {',(?=.*,)', ','}, {'', '.'}))

1000 separator and decimal separator are both commas

str2double(regexprep(s, {',(?=.*,)', ','}, {'', '.'}))

alrededor de 3 horas ago | 0

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Answered

extract one of the bits in fi(), flip it, and reassemble it to produce new bin

input = '1010'; input(3) = 'a' - input(3) ... It's magic ;-) flipped = (1 - (x - '0')) + '0' flipped = 1 + '0' + '0' - x fl...

extract one of the bits in fi(), flip it, and reassemble it to produce new bin

input = '1010'; input(3) = 'a' - input(3) ... It's magic ;-) flipped = (1 - (x - '0')) + '0' flipped = 1 + '0' + '0' - x fl...

alrededor de 3 horas ago | 0

Answered

Split arrays and Apply function

event1 = [7.046, 15.66, 24.16] B = [0.53, 1.25, 2.01, 2.78, 3.51, 4.25, 4.96, 5.78, 6.55, 7.26, 7.98, 8.76, 9.54, 10.32,11.08, ...

Split arrays and Apply function

event1 = [7.046, 15.66, 24.16] B = [0.53, 1.25, 2.01, 2.78, 3.51, 4.25, 4.96, 5.78, 6.55, 7.26, 7.98, 8.76, 9.54, 10.32,11.08, ...

alrededor de 3 horas ago | 0

Answered

I am unable to solve my system of equations using MATLAB, Can anyone go through the code and suggest me some?

syms x1 x2 y1 y2 z1 z2 syms d d1 d2 intersxn_angle theta1 theta2 syms x y z eqn1 = (x-x1)*(x-x2)+ (y-y1)*(y-y2)+(z-z1)*(z-z...

I am unable to solve my system of equations using MATLAB, Can anyone go through the code and suggest me some?

syms x1 x2 y1 y2 z1 z2 syms d d1 d2 intersxn_angle theta1 theta2 syms x y z eqn1 = (x-x1)*(x-x2)+ (y-y1)*(y-y2)+(z-z1)*(z-z...

alrededor de 4 horas ago | 1

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Answered

How to plot a sphere using plot tool

You can construct a list of coordinates, X, Y, Z, and use plot3(X, Y, Z, '*') to cause the points to be plotted in 3 space, w...

How to plot a sphere using plot tool

You can construct a list of coordinates, X, Y, Z, and use plot3(X, Y, Z, '*') to cause the points to be plotted in 3 space, w...

alrededor de 4 horas ago | 0

Answered

If, ||, && statements

if Matrix(1,:)=='0'||Matrix(2,:)=='0'||Matrix(3,:)=='0'||Matrix(:,1)=='0'||Matrix(:,2)=='0'||Matrix(:,3)=='0'||(Matrix(1,3)=='0'...

If, ||, && statements

if Matrix(1,:)=='0'||Matrix(2,:)=='0'||Matrix(3,:)=='0'||Matrix(:,1)=='0'||Matrix(:,2)=='0'||Matrix(:,3)=='0'||(Matrix(1,3)=='0'...

alrededor de 5 horas ago | 0

Answered

matlab unable to classify variable in parfor loop

b_t(i,i) = phi_t(2); The parfor loop control variable can only occur in one index location. Store the contents into a vecto...

matlab unable to classify variable in parfor loop

b_t(i,i) = phi_t(2); The parfor loop control variable can only occur in one index location. Store the contents into a vecto...

alrededor de 10 horas ago | 0

Answered

Tic Tac Toe game

if A&&B==0 does not mean if A is 0 and B is 0, it means if A is true if B==0 do body end end MA...

Tic Tac Toe game

if A&&B==0 does not mean if A is 0 and B is 0, it means if A is true if B==0 do body end end MA...

alrededor de 10 horas ago | 0

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Answered

defining the mean of a values inside a matrix

A = randi(9, [1 6]) [A(1), A(1:end-1) + diff(A)/2, A(end)]

defining the mean of a values inside a matrix

A = randi(9, [1 6]) [A(1), A(1:end-1) + diff(A)/2, A(end)]

alrededor de 14 horas ago | 3

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Answered

for loop label/arguement

That looks suspiciously like an Octave message rather than a MATLAB message... x(j+1)=mu*x(j)(1-x(j)); ^^ MATLAB...

for loop label/arguement

That looks suspiciously like an Octave message rather than a MATLAB message... x(j+1)=mu*x(j)(1-x(j)); ^^ MATLAB...

alrededor de 15 horas ago | 0

Answered

Keep getting the following error : Unable to convert expression containing symbolic variables into double array.

Recheck your assignments and your indexing. b = [0 -2 -1 -1]'; A = [1 0 -1 3; 0 2 1 0; -1 1 6 -1; 3 0 -1 10]; syms alpha rea...

Keep getting the following error : Unable to convert expression containing symbolic variables into double array.

Recheck your assignments and your indexing. b = [0 -2 -1 -1]'; A = [1 0 -1 3; 0 2 1 0; -1 1 6 -1; 3 0 -1 10]; syms alpha rea...

alrededor de 15 horas ago | 0

Answered

While running this program I got the error "Error using mesh (line 71) Data dimensions must agree"

f=1000; s=300; theta= 45; dp=0.000005; rb=35; Rt=20; Rmj=18; Rmn=9; v1=0.4999; v2=0.05; E1=50; E2=137000; t=0:0.1:30...

While running this program I got the error "Error using mesh (line 71) Data dimensions must agree"

f=1000; s=300; theta= 45; dp=0.000005; rb=35; Rt=20; Rmj=18; Rmn=9; v1=0.4999; v2=0.05; E1=50; E2=137000; t=0:0.1:30...

alrededor de 16 horas ago | 0

Answered

How can I write this for Matlab?

if ismember(phrase(i), '79') result = result + 5; elseif ismember(phrase(i), ['SZ' '2':'6' '8']) result = result + 4; ...

How can I write this for Matlab?

if ismember(phrase(i), '79') result = result + 5; elseif ismember(phrase(i), ['SZ' '2':'6' '8']) result = result + 4; ...

alrededor de 16 horas ago | 0

Answered

speed up a for loop

Inside your inner for loop, you read three .nc files. For efficiency, you need to reduce the number of files you need. So revers...

speed up a for loop

Inside your inner for loop, you read three .nc files. For efficiency, you need to reduce the number of files you need. So revers...

alrededor de 16 horas ago | 0

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Answered

How to check entries in a Matrix diagonal by diagonal

[nrow, ncol] = size(A); count_around = @(A,R,C) sum(A(max(1,R-1:R+1):min(nrow,R-1:R+1), max(1,C-1:C+1):min(ncol,C-1:C+1))) - ...

How to check entries in a Matrix diagonal by diagonal

[nrow, ncol] = size(A); count_around = @(A,R,C) sum(A(max(1,R-1:R+1):min(nrow,R-1:R+1), max(1,C-1:C+1):min(ncol,C-1:C+1))) - ...

alrededor de 16 horas ago | 0

Answered

How Do I Perform Decoding Morse Code Using GUI?

Hint: strsplit() the morse, and ismember into the list of codes to figure out which is being matched. morse={'.----','..---','...

How Do I Perform Decoding Morse Code Using GUI?

Hint: strsplit() the morse, and ismember into the list of codes to figure out which is being matched. morse={'.----','..---','...

1 día ago | 0

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Answered

How to convert from plot3 to surf?

format short g; format compact; fontSize = 18; counter= 0; counter1=0; for ky=0:1:1000 for i=0:1:89 ...

How to convert from plot3 to surf?

format short g; format compact; fontSize = 18; counter= 0; counter1=0; for ky=0:1:1000 for i=0:1:89 ...

1 día ago | 1

Answered

Accelerometer data to obtain tremor frequency

triax = readmatrix('https://www.mathworks.com/matlabcentral/answers/uploaded_files/587501/anj%20off%20rt.txt'); Fs = 333; ns...

Accelerometer data to obtain tremor frequency

triax = readmatrix('https://www.mathworks.com/matlabcentral/answers/uploaded_files/587501/anj%20off%20rt.txt'); Fs = 333; ns...

1 día ago | 0

Answered

I need to plot the same graphic of the image, but without any loop.

x = -5*pi:pi/100:5*pi; k = (1:1:100).'; %not 0! y = sum(2.*( ( (-(-1).^k)./ k ) .* sin(x.*k) )); plot(x,y)

I need to plot the same graphic of the image, but without any loop.

x = -5*pi:pi/100:5*pi; k = (1:1:100).'; %not 0! y = sum(2.*( ( (-(-1).^k)./ k ) .* sin(x.*k) )); plot(x,y)

1 día ago | 0

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Answered

Attempt to extract field 'Bc' from 'double'_error.

qeT.Bc needs to have the period replaced by an operator such as qeT*Bc

Attempt to extract field 'Bc' from 'double'_error.

qeT.Bc needs to have the period replaced by an operator such as qeT*Bc

1 día ago | 0

Answered

How can I correct this error?

LD(:,4:5)=LD(:,4:5)/Zbase; and similar on the next line. The assignment to N requires one more close bracket.

How can I correct this error?

LD(:,4:5)=LD(:,4:5)/Zbase; and similar on the next line. The assignment to N requires one more close bracket.

1 día ago | 1

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Answered

MATLAP plotting with a range of values on x axis.

discretize() with categorical labels https://www.mathworks.com/help/matlab/ref/double.discretize.html#d123e329049

MATLAP plotting with a range of values on x axis.

discretize() with categorical labels https://www.mathworks.com/help/matlab/ref/double.discretize.html#d123e329049

1 día ago | 0

Answered

Why do I get a connection error when installing or activating MATLAB or another MathWorks product?

Data point for MacOS Catalina: I have not had difficulty downloading or authenticating to Mathworks until just now. I was insta...

Why do I get a connection error when installing or activating MATLAB or another MathWorks product?

Data point for MacOS Catalina: I have not had difficulty downloading or authenticating to Mathworks until just now. I was insta...

1 día ago | 0

Answered

Vectorization of a function with system of ODE's

function dydz = famp(pa,N0,pe,se,k,y,z) y = reshape(y, [], 2); k=Par.N0*pa/(pa+pe); dy1 = y(:,1).*(pa.*N0+(pa+pe).*(k.*y(:,1...

Vectorization of a function with system of ODE's

function dydz = famp(pa,N0,pe,se,k,y,z) y = reshape(y, [], 2); k=Par.N0*pa/(pa+pe); dy1 = y(:,1).*(pa.*N0+(pa+pe).*(k.*y(:,1...

1 día ago | 0

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Answered

Non numeric data X plot

In this particular case, you can plot something meaningful. In most cases, you cannot plot with unresolved symbolic variables un...

Non numeric data X plot

In this particular case, you can plot something meaningful. In most cases, you cannot plot with unresolved symbolic variables un...

1 día ago | 0

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Answered

Matrix Dimension Must Agree

clc clear %%deklarasi variabel n = 377; f = 3*(10^9); c = 3*(10^8); lambda = c/f; I = 1; r = 10*lambda; theta =...

Matrix Dimension Must Agree

clc clear %%deklarasi variabel n = 377; f = 3*(10^9); c = 3*(10^8); lambda = c/f; I = 1; r = 10*lambda; theta =...

1 día ago | 0

Answered

Periodic Number Problem Loosing Decimals

If all of the values involved are rationals then you can use the Symbolic Toolbox.

Periodic Number Problem Loosing Decimals

If all of the values involved are rationals then you can use the Symbolic Toolbox.

1 día ago | 1

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