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April 18, 2014

Search: MATLAB

Number of results: 77

Computer Science - MATLAB
Have you tried the muPad package? It is built into the Matlab and is a package for symbolic math. I tried your code on Matlab version 2010b and it gives only numerical answers as you got. I believe you need to use muPad or a special interpreting command if you want to stay in ...
Wednesday, July 20, 2011 at 5:28pm by MathMate

Math
Hi I have optimization Qs with MATLAB can you help me and did you know about MATLAB cheers
Thursday, June 7, 2007 at 8:02am by Medo

MIT 2.01X
Thanks, 7.1B2 (Matlab), 7.1.C (Matlab), 7.2.1,7.2.2, 7.3.1, 7.3.2, 7.4.1
Sunday, June 23, 2013 at 4:47pm by Just Help

Computer Science - MATLAB
As a follow-up, here are some additional information. If you note that the second equation is linear in x, i.e. x + 3y + 2y^2 = 6 ...(2) can be rewritten as x = -3y + -2y^2 + 6 which can then be substituted int the first equation x^2 + y^2 = 42 ...(1) to become (-3y + -2y^2 + ...
Wednesday, July 20, 2011 at 5:28pm by MathMate

Computer Science - MATLAB
I tried what you mentioned above and got the same results, an estimated value and not the above, my friend is also using a really old version of matlab
Wednesday, July 20, 2011 at 5:28pm by THIS WHAT MY FRIEND GOT

Computer Science - MATLAB
A couple of things you could try: 1. put refreshdata before "drawnow". Hopefully this will update every frame of the image. 2. put a finer grid, such as x=-2*pi:pi/500:2*pi; instead of 50. Sorry that I cannot be more definite because I don't have access to Matlab, especially ...
Wednesday, July 20, 2011 at 2:59am by MathMate

Computer Science (MATLAB)
Also try: http://www.mathworks.com/help/techdoc/ref/char.html and a reference manual http://www.mathworks.com/help/pdf_doc/matlab/getstart.pdf
Monday, November 14, 2011 at 8:36am by MathMate

Computer Science - MATLAB
This is strange. I checked the symbolic answers with a different software and I got at one time the same answer as your friend, with i in the answers and very complicated expressions, i.e. symbolic answers. After that, I get the numeric answers as you've got. I do not know if ...
Wednesday, July 20, 2011 at 5:28pm by MathMate

MATLAB
A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "constrained". From...
Sunday, May 19, 2013 at 9:14pm by AMK

MATLAB
nevermind
Thursday, July 21, 2011 at 6:13am by Lee

MaTH
Is anyone good at using matlab
Thursday, May 5, 2011 at 2:34pm by Dwayne

Computer Science - MATLAB
Great! I missed that too (the dot).
Wednesday, July 20, 2011 at 2:59am by MathMate

MATLAB for MathMate
Would you please help Lee with his problem? Sra
Wednesday, July 20, 2011 at 10:49am by SraJMcGin

matlab
One bank pays 5.5 percent annual interest, while a second bank pays 4.5 percent annual interest. Determine how much longer it will take to accumulate at least $50 000 in the second bank account if you deposit $1000 initially and $1000 at the end of each year. need help writing...
Saturday, October 29, 2011 at 10:31pm by sean

Math
Thank you so much! I didn't even think of using an indentity matrix. I also used the matlab - which was a great help! Thank you again!
Sunday, December 9, 2007 at 7:56pm by Cassandra

QUESTION ABOUT JISHKA
Here are some links you might like to visit: http://www.google.com/search?q=MATLAB+programming+language&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra
Wednesday, July 6, 2011 at 1:00am by SraJMcGin

math
http://en.wikipedia.org/wiki/Standard_normal_table http://www.mathworks.com/help/matlab/ref/std.html
Thursday, March 28, 2013 at 4:40pm by Ms. Sue

Physics
HW5_4_2 : 5.0 POINTS Obtain the numerical value, in kN⋅m, of the maximum magnitude for the axial torque resultant in the shaft, Tmax: ∥Tmax∥= kN⋅m HW5_4_X : 0.0 POINTS CHALLENGE QUESTION This challenge question is just for fun: it gives you no points, ...
Tuesday, May 28, 2013 at 11:55am by MAN

Electronic Engineering
Using MATLAB..How to develop a software tool for analysis of the model distributions of a semiconductor laser diode array..??
Wednesday, October 17, 2007 at 11:22am by Link

Computer Science - MATLAB
This is the tutorial it's making a reference to h t t p : / / w w w . m a t h w o r k s . c o m / h e l p / t e c h d o c / r e f / r e d u c e v o l u m e . h t m l at least I think it is >_>
Wednesday, July 20, 2011 at 4:11am by Lee

MATLAB
I got another MATLAB question that I seem to be struggling with. Use two separate input statements to prompt a user to enter his or her first and last names. Use the disp function to display those names on one line. (You'll need to combine the names and some spaces into a ...
Thursday, July 21, 2011 at 6:13am by Lee

Computer Science - MATLAB
Same thing. I wounder if I'm suppose to be using the surfz function and not some other 3 dimensional plotting function?
Wednesday, July 20, 2011 at 2:59am by Lee

Using Matlab
imagine you have a simple calculator that can only do addition,subtraction,multiplication and division. show how you can still use it to calculate the cube root of a given number, ie a^1/3, as follows: a)show that newton raphsons method for solving the equation x^3 -a=0 ...
Sunday, October 16, 2011 at 11:54am by geoff

Computer Science - MATLAB
also note that i don't have pause there at the end of my loop i just added that in there when i was trying to slow down the animation to see if something was wrong but nothing was found
Tuesday, July 19, 2011 at 8:40pm by Lee

Computer Science - MATLAB
thanks mathmate. It's way above my head to. I got another question Consider the following two equations: x^2 + y^2 = 42 x + 3y + 2y^2 = 6 Define a symbolic equation for each, and solve it by using MATLAB's symbolic capability. Could you solve these equations by using matrices...
Wednesday, July 20, 2011 at 5:28pm by Lee

Computer Science - MATLAB
The answers are correct (4 sets). Not sure how to explain the differences. You could try x=sym['x']; y=sym['y']; to force x and y to be symbolic variables before defining one and two.
Wednesday, July 20, 2011 at 5:28pm by MathMate

MATLAB for MathMate
I don't see the post. Could you indicate the post time or the datestamp?
Wednesday, July 20, 2011 at 10:49am by MathMate

MaTH - matlab help needed
Post the problem anyway to get a better chance of getting an answer. If it is a matter of syntax, or algorithm, or debugging, you have a good chance of getting useful help.
Thursday, May 5, 2011 at 2:34pm by MathMate

QUESTION ABOUT JISHKA
Do you guys have a tutor that specialized in computer science? I would expect that you guys would but I just wanted to make sure. I was wondering if any of the tutors knows the MATLAB programing language?
Wednesday, July 6, 2011 at 1:00am by George

MATLAB
Find the value of x (to 2 decimal places) when y is a minimum, using a while loop. Format the answer, e.g., "At x=ii.ii, y=jj.jj is a minimum". Plot the function. y = x^2 - 4x + 2
Wednesday, April 6, 2011 at 4:12pm by Matt

Laser Diode Array
I have to develop a softawre tool using MATLAB to calculate the model distributions at each longitudinal position of the cavity of Phased Array Laser Diode.. I don't know how to start..
Wednesday, October 17, 2007 at 12:11pm by Link

MATLAB
Y = X^2 - 4X + 2. Ymin occurs at the vertex. V(X,Y) = V(h,k). h = Xv = -b/2a = 4/2 = 2.00, Ymin = K = 2^2 - 4*2 + 2 = -2. V(2,-2). Alternate Method: dy/dx = 2x - 4 = 0, 2x - 4 = 0, 2x = 4, x = 2.00
Wednesday, April 6, 2011 at 4:12pm by Henry

Math
There is a system you can download called "Matlab". I only have an ancient DOS (yes some of us still use it) version but I am sure if you search you can find it. If they have a cheap version it is perfect for fooling with matrix math.
Sunday, December 9, 2007 at 7:56pm by Damon

Physics
HW5_2_2 : 5.0 POINTS Obtain the numerical value, in radians, for total angle of twist of the shaft ΦAD: rad HW5_2_3 : 5.0 POINTS Obtain the numerical value, in MPa, for the maximum shear stress in the wall of the shaft: τmax= MPa Obtain a symbolic expression (in ...
Tuesday, May 28, 2013 at 11:55am by MAN

Computer Science - MATLAB
Create a stacked contour plot of the MRI data, showing the first, eight, and twelfth layer of the data. An MRI visualization example is shown in the help tutorial. Copy and paste the commands into an M-file and run the example. Be sure to add the clf command before drawing ...
Wednesday, July 20, 2011 at 4:11am by Lee

Thank You MathMate
Thank you for assisting me with my MATLAB question. If I posted this on the actual question you never would of seen it. What you suggested to do worked and produced the results I was suppose to get. I wanted to say thank you. And a grid_size of 500 seems to produce more stable...
Tuesday, July 19, 2011 at 6:34pm by Lee

Computer Science - MATLAB
I tried both and both results leave me with the same result, It just flashes real quick and then turns white... I even tried a=0:pi/1000000000:8*pi, it stays for a little bit longer but then turns white.... I think it's an issue with something else... what I'm not exactly sure...
Wednesday, July 20, 2011 at 2:59am by Lee

Computer Science (MATLAB)
Just answered your later identical post: see http://www.jiskha.com/display.cgi?id=1320174124
Tuesday, November 1, 2011 at 2:48pm by MathMate

Computer Science - MATLAB
In a problem I had to create a animation of the function sin(x-a) were a ranged from 0 to 8pi Code: x=[-2*pi:.00001*pi:2*pi]; a=0; y=sin(x-a); g=plot(x,y); grid on; title('sin(x-0)') set(g,'EraseMode','xor') while a<=8*pi a=a+.1*pi; y=sin(x-a); set(g,'ydata',y) drawnow ...
Tuesday, July 19, 2011 at 8:40pm by Lee

Computer Science - MATLAB
got it <_< forgot the dot and got rid of the axis tight disp('Problem 13.11') x=-2*pi:pi/50:2*pi; y=sin(x); [X,Y]=meshgrid(x,y); z=sin(X)*cos(Y); h=surf(z); set(gca,'nextplot','replacechildren'); shading interp colormap(jet) for a=0:pi/100:8.25*pi z=sin(X-a).*cos(Y-a); ...
Wednesday, July 20, 2011 at 2:59am by Lee

MATLAB
See http://www.jiskha.com/display.cgi?id=1310887564
Saturday, July 16, 2011 at 7:24pm by MathMate

MATLAB for MathMate
http://www.jiskha.com/display.cgi?id=1311149510
Wednesday, July 20, 2011 at 10:49am by Writeacher

Engineering
A tapered thin-wall circular shaft has constant wall thickness, t, length L, and diameters linearly varying between dA at the support A(x=0) and dB at its free end B(x=L). The shaft is homogeneous with shear modulus G HW6_1A : 20.0 POINTS Obtain a symbolic expression for the ...
Wednesday, June 5, 2013 at 5:04pm by Sat

physics
A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "constrained". From...
Thursday, May 16, 2013 at 9:36pm by AMK

Physics
A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "constrained". From...
Sunday, May 19, 2013 at 9:13pm by AMK

Mechanics
A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "constrained". From...
Sunday, May 19, 2013 at 9:14pm by AMK

Physics
A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "constrained". From...
Sunday, May 19, 2013 at 9:14pm by AMK

PLEASE REPLY
A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "constrained". From...
Friday, May 17, 2013 at 8:01pm by AMK

SIMONSAY, PLEASE HELP
A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "constrained". From...
Saturday, May 18, 2013 at 9:43pm by AMK

Mechanical Engineering
A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "constrained". From...
Sunday, May 19, 2013 at 9:13pm by AMK

MIT LAB PLEASE HELP
A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "constrained". From...
Friday, May 17, 2013 at 10:24pm by AMK

Computer Science - MATLAB
I had a quick look at the code, and I suggest the following changes (just a guess). I believe the code has worked as expected, but the duration of the animation is only about 1/10th of a second. To test the hypothesis, change for a=0:pi/100:8*pi to for a=0:pi/1000:8*pi to make...
Wednesday, July 20, 2011 at 2:59am by MathMate

physics
E4_1? All the bars in truss ABC have constant cross section and are made of a homogeneous linear elastic material. Under the effect of a 1 kN horizontal load applied at B , the pin at A is observed to displace to the right by 6 cm. Use the method of joints to obtain the ...
Thursday, May 16, 2013 at 9:36pm by faryia

MATLAB MATH HELP HELP HELP HELP HELP HELP
Write three functions, AppEval, AppDeriv and AppInt that approximate the value, the derivative and the integral of an unknown function f for which you are given only some unevenly spaced values. More specifically, the function AppEval has to be written in the file AppEval.m, ...
Wednesday, May 11, 2011 at 2:27pm by DELORIS

Computer Science - MATLAB
I have not checked in great detail your code, but something does not look right to me, and it could be the culprit. The third line from the end reads: title(fprintf('sin(x-%s)\n',num2str(a))); Since fprintf() takes at least 3 arguments: 1. file handle 2. formatting string 3. ...
Tuesday, July 19, 2011 at 8:40pm by MathMate

Mechanics/Physics
HW7_1B_2 : 5.0 POINTS Let's say that a cross section where you have M+max is at location x+max, and the cross section where you have M−max is at location x−max. Use the MATLAB window below to plot the profiles of stress on sections x+max and x−max, i.e. σ...
Sunday, June 30, 2013 at 5:48pm by Dude

Computer Science - MATLAB
For Volume visualization, try some of the following links: http://www.google.com/search?q=explain+Volume+Visualization+with+examples&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a That is the correct address for the tutorial, but it's all beyond me. ...
Wednesday, July 20, 2011 at 4:11am by SraJMcGin

Computer Science (MATLAB)
Yu might find some of the following l inks useful: http://www.google.com/search?q=how+to+work+with+vectors+in+Computer+Science&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra
Monday, November 14, 2011 at 8:36am by SraJMcGin

MATLAB
13.2 A quadratic Julia set has the form z(n+1)=z(n)^2+c The special case where c=-.123+.745i is called Douday's rabbit fractal. Follow example 13.1, and create an image using this value of c. For the Madelbrot image, we started with all z-values equal to 0. You'll need to ...
Saturday, July 16, 2011 at 7:24pm by Lee

Computer Science (MATLAB)
The while loop exits whenever a user-specified condition is reached, in this case when x≤4 or x≥10. A for loops exits (normally) when the stated number of cycles is reached, i.e. not an arbitrary user condition. There are different ways to "misuse" the for loop. A common...
Tuesday, November 1, 2011 at 3:02pm by MathMate

Computer Science (MATLAB)
Given a vector of values of zeros and ones such as [1 0 1 0 0 0 1 0] I'm asked to, given a probability provided by the user, use that probability to change the values in the vector using that probability. For example given the vector [0 1 0 0 0 1 0 0 0 1] and probability .2 ...
Tuesday, October 18, 2011 at 9:53am by Jhon

Computer Science - MATLAB
One interesting property of a Fibonacci sequence is that the ratio of the values of adjacent members of the sequence approach a number called “the golden ratio” or PHI. Create a program that accepts the first two numbers of a Fibonacci sequence as a user input and then ...
Friday, July 8, 2011 at 4:03pm by George

Computer Science - MATLAB
I guess it was skipped One interesting property of a Fibonacci sequence is that the ratio of the values of adjacent members of the sequence approach a number called “the golden ratio” or PHI. Create a program that accepts the first two numbers of a Fibonacci sequence as a user...
Friday, July 8, 2011 at 8:19pm by George

Computer Science - MATLAB
Thanks MathMate. Print plotting sounds awful O_O. What you suggested was correct and this code worked disp('Problem 13.9') x=[-2*pi:.00001*pi:2*pi]; a=0; y=sin(x-a); g=plot(x,y); title(sprintf('sin(x-%.2f)\n',a)) grid on; set(g,'EraseMode','xor') while a<=8*pi a=a+.1*pi; y=...
Wednesday, July 20, 2011 at 2:59am by Lee

Computer Science (MATLAB)
I had a test in my computer science course in which I was asked if any while loop can be replaced with a for loop. I put true. I guess the answer was false. My professor said that if you had a while loop in which you asked the user to input a certain value that had to be ...
Tuesday, November 1, 2011 at 2:48pm by Jhon

Computer Science (MATLAB)
I had a test in my computer science course in which I was asked if any while loop can be replaced with a for loop. I put true. I guess the answer was false. My professor said that if you had a while loop in which you asked the user to input a certain value that had to be ...
Tuesday, November 1, 2011 at 3:02pm by Jhon

MIT 2.01X
We will obtain bending moment diagrams for three beams and calculate stresses inside the beams. For each beam, take the x-axis along the neutral axis of the beam, oriented from left to right, with origin at A. HW7_1A_1 : 5.0 POINTS For the beam above, obtain symbolic ...
Tuesday, June 25, 2013 at 9:17am by Uncle SAM

Physics/Mechanics
We will obtain bending moment diagrams for three beams and calculate stresses inside the beams. For each beam, take the x-axis along the neutral axis of the beam, oriented from left to right, with origin at A. HW7_1A_1 : 5.0 POINTS For the beam above, obtain symbolic ...
Tuesday, June 18, 2013 at 9:24pm by MAN

MIT 2.01X
Posted by MAN on Tuesday, June 18, 2013 at 9:24pm. We will obtain bending moment diagrams for three beams and calculate stresses inside the beams. For each beam, take the x-axis along the neutral axis of the beam, oriented from left to right, with origin at A. HW7_1A_1 : 5.0 ...
Sunday, June 23, 2013 at 4:47pm by AMK

Physics
HW5_1: REACTION AT SUPPORT AND INTERNAL AXIAL TORQUE RESULTANT We will use moment equilibrium around the x axis to calculate the x-component of the reaction torque at A, TAx, and the axial torque resultant at section C, TC=T(xC), for these two shafts in torsion. HW5_1_1 : 15.0...
Tuesday, May 28, 2013 at 11:55am by MAN

Physics/Mechanics
tapered thin-wall circular shaft has constant wall thickness, t, length L, and diameters linearly varying between dA at the support A(x=0) and dB at its free end B(x=L). The shaft is homogeneous with shear modulus G HW6_1A : 20.0 POINTS Obtain a symbolic expression for the ...
Wednesday, June 5, 2013 at 11:29am by MAN

MIT 2.01X
tapered thin-wall circular shaft has constant wall thickness, t, length L, and diameters linearly varying between dA at the support A(x=0) and dB at its free end B(x=L). The shaft is homogeneous with shear modulus G HW6_1A : 20.0 POINTS Obtain a symbolic expression for the ...
Sunday, June 9, 2013 at 6:16pm by Uncle SAM

MIT LAB
tapered thin-wall circular shaft has constant wall thickness, t, length L, and diameters linearly varying between dA at the support A(x=0) and dB at its free end B(x=L). The shaft is homogeneous with shear modulus G HW6_1A : 20.0 POINTS Obtain a symbolic expression for the ...
Thursday, June 6, 2013 at 5:03pm by AMK

Engineering
tapered thin-wall circular shaft has constant wall thickness, t, length L, and diameters linearly varying between dA at the support A(x=0) and dB at its free end B(x=L). The shaft is homogeneous with shear modulus G HW6_1A : 20.0 POINTS Obtain a symbolic expression for the ...
Wednesday, June 5, 2013 at 5:04pm by MAN

Mechanial engineering
HW7_1A: BENDING MOMENT DIAGRAMS AND STRESSES, PART I We will obtain bending moment diagrams for three beams and calculate stresses inside the beams. For each beam, take the x-axis along the neutral axis of the beam, oriented from left to right, with origin at A. HW7_1A_1 : 5.0...
Sunday, June 30, 2013 at 12:19pm by Colour

Computer Science (MATLAB)
Given an arbitrary one dimensional vector v imputed by the user for example v='Helllllloooooo' or v='Helo' I was able to append empty characters onto any one dimensional vector that the user can enter so that way the total length of the vector is a multiple of 8 characters of ...
Monday, November 14, 2011 at 8:36am by Jhon

THIS WHAT MY FRIEND GOT
x = [ 33/4-1/4*3^(1/2)*((55*(2033+18*i*71413^(1/2))^(1/3)+2*(2033+18*i*71413^(1/2))^(2/3)+602)/(2033+18*i*71413^(1/2))^(1/3))^(1/2)-1/4*6^(1/2)*((55*(2033+18*i*71413^(1/2))^(1/3)*((55*(2033+18*i*71413^(1/2))^(1/3)+2*(2033+18*i*71413^(1/2))^(2/3)+602)/(2033+18*i*71413^(1/2))^(1...
Wednesday, July 20, 2011 at 5:28pm by THIS WHAT MY FRIEND GOT

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