Answered

Defining an anonymous function with 3*(N+1) variables

f=prod(exp(-beta*(diff(x(1:n+1)).^2+diff(x(n+2:2*n+2)).^2+diff(x(2*n+3:3*n+3)).^2)))*sum((x(1:n+1)-x(1:n+1)').^2+(x(n+2:2*n+2)-x...

Defining an anonymous function with 3*(N+1) variables

f=prod(exp(-beta*(diff(x(1:n+1)).^2+diff(x(n+2:2*n+2)).^2+diff(x(2*n+3:3*n+3)).^2)))*sum((x(1:n+1)-x(1:n+1)').^2+(x(n+2:2*n+2)-x...

8 dagar ago | 0

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Answered

line 15 does not work

If you inspect your variables before plotting, you will find that y is a single column. plot(t,y,'-');%this will work in your c...

line 15 does not work

If you inspect your variables before plotting, you will find that y is a single column. plot(t,y,'-');%this will work in your c...

8 dagar ago | 0

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Answered

How to solve an elliptical integral with the unknown in the integrand?

If you plot for C=0:100, you find that bcInt never exceeds 1. Re = 100; alpha = 15/360*2*pi; x=0:100; bc = @(f, C) 1./(((1-f...

How to solve an elliptical integral with the unknown in the integrand?

If you plot for C=0:100, you find that bcInt never exceeds 1. Re = 100; alpha = 15/360*2*pi; x=0:100; bc = @(f, C) 1./(((1-f...

9 dagar ago | 1

Answered

How to add numeric values to cell array?

for k=1:length(names) names{k}=[names{k},' ',num2str(val(k))]; end

How to add numeric values to cell array?

for k=1:length(names) names{k}=[names{k},' ',num2str(val(k))]; end

9 dagar ago | 0

Answered

How to store words and numbers table in an array

Why not set up a struct? s = struct('a',{},'b',{},'c',{});%label the fields to whatever you want for k=1:11 s(k).a=%'Buildi...

How to store words and numbers table in an array

Why not set up a struct? s = struct('a',{},'b',{},'c',{});%label the fields to whatever you want for k=1:11 s(k).a=%'Buildi...

10 dagar ago | 0

Answered

how to use fzero function?

First, fzero finds roots of nonlinear functions and should not be symbolic. If you have a polynomial you should use roots() func...

how to use fzero function?

First, fzero finds roots of nonlinear functions and should not be symbolic. If you have a polynomial you should use roots() func...

10 dagar ago | 0

Answered

How to "invert" integral function?

I might not understand your question completely. If you know the temperature and interested wavelength range, the curve can be g...

How to "invert" integral function?

I might not understand your question completely. If you know the temperature and interested wavelength range, the curve can be g...

10 dagar ago | 1

Answered

How to stop rounding values when i use array?

The values in your array (a) are not rounded, they are only rounded in the display of them. To see the actual values, change for...

How to stop rounding values when i use array?

The values in your array (a) are not rounded, they are only rounded in the display of them. To see the actual values, change for...

10 dagar ago | 0

Solved

Consecutive Equation Times (of the day)

Many times throughout the day can represent mathematical equations. In this problem, we focus on the largest consecutive run of ...

10 dagar ago

Solved

Equation Times (of the day)

Many times throughout the day can represent mathematical equations. In this problem, we focus on times that include the four bas...

10 dagar ago

Solved

center of mass

R is a given matrix with size [n,2]. R(i,:) is interpreted as the 2D-position of a mass point with mass i. Calculate the center ...

11 dagar ago

Solved

Bernoulli's Equation

Bernoulli's equation states that for an incompressible fluid the following summation is constant across the flow: v^2/2 + g*z + ...

11 dagar ago

Answered

Trying to solve a four variable equation for a range of values

If you want all possible combinations, then use ndgrid. Z0=1.5; Fmin=0:10; Rn=1:20; gammas=-10:1; gammopt=13:.1:20;%I have ...

Trying to solve a four variable equation for a range of values

If you want all possible combinations, then use ndgrid. Z0=1.5; Fmin=0:10; Rn=1:20; gammas=-10:1; gammopt=13:.1:20;%I have ...

11 dagar ago | 0

Answered

How write closed interval inside loop

You should just make g1, g2, and g3 matrices. No loop is necessary. g1=[l1',m1'-2*v1',m1'+3*v1',2*u1']; g2=[l2',m2'-4*v2',m2'+...

How write closed interval inside loop

You should just make g1, g2, and g3 matrices. No loop is necessary. g1=[l1',m1'-2*v1',m1'+3*v1',2*u1']; g2=[l2',m2'-4*v2',m2'+...

11 dagar ago | 0

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Answered

errors using Numerical Integration

y = @(x) 1./(sqrt(1+x.^4)); %just need a dot (./) a = -1; b = 1; S_int = integral(y,a,b);

errors using Numerical Integration

y = @(x) 1./(sqrt(1+x.^4)); %just need a dot (./) a = -1; b = 1; S_int = integral(y,a,b);

11 dagar ago | 0

Answered

Cody Problem 38. Return a list sorted by number of occurrences

Take a look at the functions, histcounts(), sort(), and unique(). By combining these functions you can answer the problem in a f...

Cody Problem 38. Return a list sorted by number of occurrences

Take a look at the functions, histcounts(), sort(), and unique(). By combining these functions you can answer the problem in a f...

11 dagar ago | 1

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Solved

Return a list sorted by number of occurrences

Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

11 dagar ago

Answered

Uniformly distributed random variables

nomR1=1000; nomR2=2000; R1=nomR1*(.05*(2*rand(1,1e4)-1)+1); R2=nomR2*(.05*(2*rand(1,1e4)-1)+1); x=(R1.*R2)./(R1+R2);

Uniformly distributed random variables

nomR1=1000; nomR2=2000; R1=nomR1*(.05*(2*rand(1,1e4)-1)+1); R2=nomR2*(.05*(2*rand(1,1e4)-1)+1); x=(R1.*R2)./(R1+R2);

11 dagar ago | 0

Answered

Add an increment to a matrix [1x50]

velocity_temp=[20:-.5:9,7.5:-1.5:0];

Add an increment to a matrix [1x50]

velocity_temp=[20:-.5:9,7.5:-1.5:0];

12 dagar ago | 1

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Answered

Plotting 2 functions on the same graph

syms x; y = (2*x-1)/(x+1); fplot(y); hold on g = finverse(y); fplot(g) grid;

Plotting 2 functions on the same graph

syms x; y = (2*x-1)/(x+1); fplot(y); hold on g = finverse(y); fplot(g) grid;

12 dagar ago | 1

Answered

Calling a function without an Output argument

Change the number of input arguments instead function y=Myplot(varagin) y=figure; if nargin==2 subplot(2,1,1); ...

Calling a function without an Output argument

Change the number of input arguments instead function y=Myplot(varagin) y=figure; if nargin==2 subplot(2,1,1); ...

12 dagar ago | 0