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mohamed saber


Active since 2011

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how can i make algebric operation with syms ??
what's wrong with (symadd,symsub,symmul,symdiv) ???

12 years ago | 1 answer | 0

1

answer

Question


plotting
this is my code clear,clc l=.01; m=.01; for x=0:.00001:l; zeta=(m.*cosh(l-x))./(cosh(m.*l)); plot(x,zeta),hold on end ...

12 years ago | 2 answers | 0

2

answers

Answered
Matrix dimensions must agree.
could you please write the syntax ???

12 years ago | 0

Question


Matrix dimensions must agree.
where is the error please ??? clear,clc cp=1005; r=287; d=1.2; v=300; tx=284; px=98; to=298; py=100:200; a1=...

12 years ago | 4 answers | 0

4

answers

Question


solve an equation
hello , i have a problem to solve this equation clear,clc cp=1005; r=287; d=1.2; v=300; to=298; py=1...

12 years ago | 1 answer | 0

1

answer

Question


not explicity equation
hello how can i solve Not explicitly equation .... for example x=(x^2)/y+z x is the undefined value , y,z are given ???...

12 years ago | 1 answer | 0

1

answer

Question


number format
how can i change output number format for ex : x= 5.1235e+003 i want to be 5123.5

13 years ago | 1 answer | 0

1

answer

Question


try&erorr
i have variables FS,di and others .. after calculation i get new value of FS by name FS1 .... FS1& FS must be closed together .....

13 years ago | 2 answers | 0

2

answers

Question


convert matlab to exe file
i made a matlab program and convert it to exe file by using mcrinstaller .. but i can't see the output in exe window .. it disap...

13 years ago | 2 answers | 1

2

answers

Question


array access
n=0; while abs(dQ)>.000001 % tolerance n=n+1; if dQ>.000001 % dQ is positive ... Ej must be increased ...

13 years ago | 1 answer | 0

1

answer

Question


iteration
plz .... why there is no answer in this iteration when i use this input by order : 30 , .01 ,1 1000 ,18,.02 ,1.2 ,1200, 2 , .0...

13 years ago | 1 answer | 0

1

answer

Question


try&erorr
i want to ask how can i make try&erorr with reasonable erorr the program is 3 tanks have a different energy .. and they connecte...

13 years ago | 1 answer | 0

1

answer

Question


Conversion to double from sym is not possible.
i want to plot the relation between time&velocity by differentiate displacement , but there is an error syms x t; x=2.5*cos...

13 years ago | 1 answer | 0

1

answer

Answered
plotting
thanks to all

13 years ago | 0

Question


plotting
i've a problem in this code ... there isn't any output graph .. i don't know why ??? for t=0:.00001:1; n=n+1; x1=2.5...

13 years ago | 6 answers | 0

6

answers

Question


how can i plot all for loop's values
i made a for loop programe ,but when i make plot for value .. the result is point .. how can i save all value of for loop and pl...

13 years ago | 2 answers | 0

2

answers