Judul: Pengaruh tingkat penambahan tepung kunyit (Curcuma domestica val.) dan tepung daun pepaya (Carica papaya L.) dalam ransum terhadap gambaran darah ayam broiler yang mengalami cekaman panas
Abstrak: The experiment was conducted to study the hematological profile of broiler under heat stress and fed with Carica papaya L leaf meal and curcuma domestica val. meal at different level as a feed additive. Heat stress happened ao the third weeks with temperature 34 °C and take care of it for six weeks. The diet contain metabolizable energy (ME) 2900 kkal/kg and crude protein (CP) 21%. Threatments were R1 : control diet, R2 : 99.98% control feed and 0.02% Bambermycin, R3 : 98% control feed and 1% Carica papaya L leaf meal and 1% Curcuma domestica val. meal R4 : 97% control feed and 1.5% Carica papaya L leaf meal and 1.5% Curcuma domestica val. meal, R5 : 96% control feed Carica papaya L leaf meal and 2% Curcuma domestica val.
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Judul: Pengaruh pemberian campuran tepung kunyit dan tepung daun pepaya dalam ransum terhadap gambaran metabolisme lemak ayam broiler yang mengalami cekaman panas
Abstrak: The experiment was conducted to determine the effect of utilization Curcuma domestica meal and Carica papaya leaf meal on total cholesterol, triglycerides, HDL, and LDL serum concentrations in broilers which were maintained under heat streaa condition. Two hundred Day Old Chicken (DOC) broilers were divided into five treatments. The experimental design was Completely Randomized Design with five treatments. The experimental design was Completely Randomized Design with five treatments and four replications, that were control diet (R1), control diet antibiotics (R2), control diet +1% curcuma meal +1% papaya leaf meal (R3),control diet +1.5% curcuma meal +1.5% papaya leaf meal (R4) and control diet +2% curcuma meal +2% papaya leaf meal (R5).
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Judul: Invers Drazin dari Matriks Toeplitz Singular
Abstrak: Matriks Toeplitz adalah matriks yang setiap unsur pada diagonal utama bernilai sama dan setiap unsur pada subdiagonal yang bersesuaian dengan diagonal utama juga bernilai sama. Matriks singular adalah matriks yang tidak bisa ditentukan inversnya. Akan tetapi, dapat diupayakan untuk ditentukan inversnya menggunakan invers matriks yang diperumum. Invers Drazin merupakan salah satu jenis invers matriks yang diperumum. Pada karya ilmiah ini ditentukan invers Drazin dari matriks Toeplitz singular dengan menggunakan metode Leverrier Faddeev. Kemudian, ditentukan invers Drazin dari matriks Toeplitz singular yang direpresentasikan sebagai penjumlahan segitiga bawah dan segitiga atas matriks Toeplitz berdasar pada teorema Gohberg dan Semencul., Toeplitz matrix is a matrix in with element on the main diagonal has the same value and on the subdiagonal corresponding to the main diagonal also has the same value. Singular matrix is a matrix that has no inverse. However, it can be attempted to determine the inverse using a generalized inverse matrix. Inverse Drazin is a type of generalized matrix inverse. This paper discussed the inverse Drazin for a singular Toeplitz matrix using the Leverrier Faddeev method. Then, the Drazin inverse of the singular Toeplitz matrix which is represented as a sum of products of lower and upper triangular Toeplitz matrix based on Gohberg and Semencul theorem.
Keyword: inverse Drazine, singular Toeplitz matrix