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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /779/CH5/EX5.4 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '779/CH5/EX5.4')
| -rwxr-xr-x | 779/CH5/EX5.4/5_4.sce | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/779/CH5/EX5.4/5_4.sce b/779/CH5/EX5.4/5_4.sce new file mode 100755 index 000000000..c070928d0 --- /dev/null +++ b/779/CH5/EX5.4/5_4.sce @@ -0,0 +1,45 @@ +h1 = 313.93;
+h2 = 2676;
+h3 = 419;
+w1 = 4.2;
+w = poly(0,'w') // w = w2
+P = w1*h1 + w*h2 - h3*(4.2+w)
+function [x] = stress(a,b,f)
+ N = 100;
+ eps = 1e-5;
+ if((f(a)*f(b))>0) then
+ error('no root possible f(a)*f(b)>0');
+ abort;
+ end;
+ if(abs(f(a))<eps) then
+ error('solution at a');
+ abort;
+ end
+ if(abs(f(b))<eps) then
+ error('solution at b');
+ abort;
+ end
+ while(N>0)
+ c = (a+b)/2
+ if(abs(f(c))<eps) then
+ x = c ;
+ x;
+ return;
+ end;
+ if((f(a)*f(c))<0 ) then
+ b = c ;
+ else
+ a = c ;
+ end
+ N = N-1;
+ end
+ error('no convergence');
+ abort;
+endfunction
+
+deff('[y]=p(w)',['y = - 441.294 + 2257*w '])
+w = stress(0.1,0.2,p);
+disp("Kg/h",w*3600,"The amount of heat that should be supplied is")
+
+
+
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