Community Profile

photo

francis


Active since 2013

Statistics

  • Thankful Level 1

View badges

Content Feed

View by

Question


Numerical analysis please help
if true i=1; for q=0:0.05:4; x(i)=q; s(i)=quad('sin(x.^2)',0,x(i)); c(i)=quad('cos(x.^2)',0,x(i)); i...

circa 9 anni ago | 1 answer | 0

1

answer

Question


please help with logical operators
if true fprintf('Enter the old units of volume:\n') old=input('cubic meter or liter or cubic feet or gallons\n','s'); V=i...

circa 9 anni ago | 1 answer | 0

1

answer

Question


help with numerical analysis
if true fplot('pi*x*sqrt((x)^2+((750/pi)^2)/(x)^4)',[0,10]); [R fmin]=fminbnd('pi*x*sqrt((x)^2+((750/pi)^2)/(x)^4)',0,8); ...

circa 9 anni ago | 2 answers | 0

2

answers

Question


help with applications in numerical analysis
Hi, I am trying to figure out why is not plotting, this is the error that I get Error using ==> plot Vectors must be the same...

circa 9 anni ago | 2 answers | 0

2

answers

Question


please help with this function
function [th rad]=cartopolar25(x,y t=atan(y/x); rad=sqrt(x^2+y^2); if if x<0 if y<0 th=180+t return...

circa 9 anni ago | 4 answers | 0

4

answers

Question


help with managing data
this is the problem http://s1348.photobucket.com/user/Francisdistefano860/media/b14ce30d-2a17-4fe4-a213-04382872e31f_zps14e71...

circa 9 anni ago | 1 answer | 0

1

answer

Answered
Problem with mathematical operations
its the problem 3.6 of the matlab book pg 87 r=0.2; vl=(4/3)*pi()*r^3; t=0:0.05:0.35; q=sqrt((vl*1440*9.81)/(0.001...

circa 9 anni ago | 0

Answered
3D PLOT please help
thanks I get it now

circa 9 anni ago | 0

Question


3D PLOT please help
x=0:0.1:1000; y=70:0.1:320; z=4*pi*((0.032./(2.*pi.*8.31.*y)).^(3./2)).* (x.^2).*exp((-0.032.*x.^2)./(2*8.31....

circa 9 anni ago | 2 answers | 0

2

answers

Question


Problem with mathematical operations
I am having trouble putting this together on matlab t=0:0.05:.35 v(t)=sqrt((0.0035*(1440)*9.81)/0.0018)*tanh(sqrt(0.0335*(...

circa 9 anni ago | 2 answers | 0

2

answers