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wuzhenghai

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x=linspace(0.0652,0.09985);
y=cos(45*pi/180)*cos(11.9767*pi/180+4*pi/1805);
z=(0.015+0.5/sin(45*pi/180)*x).*sin(11.9767*pi/180+45*pi/180)+0.0036;
m=4/(-0.064+sqrt(0.064*0.064+128*2543.17/(pi*9.8*7850*x.^2)));
F=2543.17*y./z+2543.17*m;
plot(x,F)
??? Error using ==> mldivide
Matrix dimensions must agree.
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zaq123321

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z=(0.015+0.5/sin(45*pi/180)*x).*sin(11.9767*pi/180+45*pi/180)+0.0036;

I think there is an extra . before *sin in this equation.
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2Â¥2014-12-17 10:51:46
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wuzhenghai

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
2Â¥: Originally posted by zaq123321 at 2014-12-17 10:51:46
z=(0.015+0.5/sin(45*pi/180)*x).*sin(11.9767*pi/180+45*pi/180)+0.0036;

I think there is an extra . before *sin in this equation.

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3Â¥2014-12-17 11:06:32
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zaq123321

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

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Remove the . Before *sin and try again.

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4Â¥2014-12-17 11:19:58
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wuzhenghai

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
4Â¥: Originally posted by zaq123321 at 2014-12-17 11:19:58
Remove the . Before *sin and try again.

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5Â¥2014-12-17 11:30:37
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zaq123321

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

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For m, remove the . After x. Try line by line

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6Â¥2014-12-17 11:42:59
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wuzhenghai

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
6Â¥: Originally posted by zaq123321 at 2014-12-17 11:42:59
For m, remove the . After x. Try line by line

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7Â¥2014-12-17 11:59:16
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zyfranklin

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wuzhenghai: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2014-12-17 14:58:23
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m=4./(-0.064+sqrt(0.064*0.064+128*2543.17./(pi*9.8*7850*x.^2)));
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8Â¥2014-12-17 13:07:15
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wurongjun

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

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m=4./(-0.064+sqrt(0.064*0.064+128*2543.17./(pi*9.8*7850*x.^2)));
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
9Â¥2014-12-17 13:38:55
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